Agile integration satisfies the business agility and provides solutions for maintaining business changes and ensures that the enterprise survives in the current competition. Any business should be robust enough to respond to end user request. Existing traditional enterprise applications are in-capable of integrating with
different business silos lacks to improve the business agility. To address this issue, this paper is about the agile integration of different business silos using “Service Oriented Architecture” and its core technologyenables the business enterprise systems flexible, loosely coupled and improves agility. Enterprise business
systems have to adopt Service Oriented Architecture (SOA) as it promises to help them respond more rapidly to changing business requirements by composing new solutions from existing business services. Here the definition of SOA, its layers and the core technologies have been discussed.
MULTIVIEW SOA : EXTENDING SOA USING A PRIVATE CLOUD COMPUTING AS SAAS AND DAASijseajournal
This work is based on two major areas, the Multiview Service Oriented Architecture and the combination between the computing cloud and MV-SOA. Thus, it is suggested to extend firstly the service oriented architecture (SOA) into an architecture called MV-SOA by adding two components, the Multiview service generator, whose role is to transform the classic service into Multiview service, and the data base, this component seeks to stock all of consumer service information. It is also suggested to combine the computing cloud and Multiview Service Oriented Architecture MVSOA. To reach such combination, the
MVSOA architecture was taken and we added to the client-side a private cloud in SaaS and DaaS.
The document discusses optimizing data transfer in service-oriented architectures. It proposes an approach called Promulgate that uses a hybrid orchestration and choreography model. Promulgate introduces proxy services that invoke actual web services on behalf of a centralized workflow engine. The proxies can cache and transfer data between each other to optimize transmission between services. The document evaluates Promulgate's use of data caching techniques like dynamic proxy deployment and SOAP compression to reduce redundant data transfer compared to a pure orchestration model. It describes the Promulgate architecture and actors, web service implementation using .NET and Axis, and SOAP compression using zipped SOAP. Experimental setup and configurations are also outlined to test Promulgate's performance over different network
Study on Use Case Model for Service Oriented Architecture Developmentijwtiir
The recent trends in the computer industry are the one
and only thing i.e., web services. Because of the common
availability and open technologies web services are relevant to
all. Service-oriented architecture (SOA) helps organizations to
transform their business processes for high performance by
simplifying the underlying information systems. The most
challenging aspect of building successful software applications is
clearly understanding and specifying the requirements that an
application must satisfy. Use case modeling is an increasingly
popular approach for identifying and defining requirements for
software applications of all types. Use cases describe the
behavior of the system as its users interact with it. This approach
helps to place the software requirements in the framework of a
user doing some useful work with the system. This type of
approach helps to map software requirements to the relevant enduser business processes, a very powerful concept. This paper
presents how the relationship between use case model and
Service oriented architecture.
Software as a Service (SaaS) becomes in this decade the focus of many enterprises and research. SaaS
provides software application as Web based delivery to server many customers. This sharing of
infrastructure and application provided by Saas has a great benefit to customers, since it reduces costs,
minimizes risks, improves their competitive positioning, as well as seeks out innovative. SaaS application is
generally developed with standardized software functionalities to serve as many customers as
possible.However many customers ask to change the standardized provided functions according to their
specific business needs, and this can be achieve through the configuration and customization provided by
the SaaS vendor.Allowing many customers to change software configurations without impacting others
customers and with preserving security and efficiency of the provided services, becomes a big challenge to
SaaS vendors, who are oblige to design new strategies and architectures. Multi-tenancy (MT) architectures
allow multiple customers to be consolidated into the same operational system without changing anything in
the vendor source code. In this paper, we will present how the configuration can be done on an ERP web
application in a Multi-Tenancy SaaS environment.
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal,
Mapping the Cybernetic Principles of Viable System Model to Enterprise Servic...ITIIIndustries
This paper describes the results of a theoretical mapping of the cybernetic principles of the Viable System Model (VSM) to an Enterprise Service Bus (ESB) model, with the aim to identify the management principles for the integration of services at all levels in the enterprise. This enrichment directly contributes to the viability of service-oriented systems and the justification of Business/IT alignment within enterprise. The model was identified to be suitable for further adaption in the industrial setting planned within Australian governmental departments.
This document provides an overview of service-oriented architecture (SOA) fundamentals and concepts. It discusses the evolution of computing architectures from mainframes to client-server to web services. Key SOA concepts are introduced like loosely coupled services, service consumers and providers, and standards like XML, SOAP, WSDL and UDDI. The roles of the enterprise service bus, SOA registry, service broker and supervisor are described. Finally, the document presents a high-level view of how all the components work together in an SOA.
With the increasing usage of smartphones and other devices, digitization of banking sector is expected to catch up the increasing expectations of the customer. Banks have a significant role in our lives. Every one of us will execute at least a single financial transaction in a day. Hence, it becomes necessary for banks to enrich customer experience. Digitization becomes mandate feature for banks since it is being adopted in all industries in day to day life. Banks love mainframes because only mainframes can provide a single, unified, efficient solution to a host of different problems. Most of the banks uses Mainframe because of it robust, reliable and secured processing power. It also supports the new technologies like mobile, cloud etc., A business case is presented in this paper to explain Micro service and API framework for existing legacy system. Existing architecture is tightly coupled services with less standardization and fair performance. The aim of this paper is to provide solutions to convert the existing architecture to flexible service to support business for time-to-market, increase in performance and operational efficiency and improve customer experience.
MULTIVIEW SOA : EXTENDING SOA USING A PRIVATE CLOUD COMPUTING AS SAAS AND DAASijseajournal
This work is based on two major areas, the Multiview Service Oriented Architecture and the combination between the computing cloud and MV-SOA. Thus, it is suggested to extend firstly the service oriented architecture (SOA) into an architecture called MV-SOA by adding two components, the Multiview service generator, whose role is to transform the classic service into Multiview service, and the data base, this component seeks to stock all of consumer service information. It is also suggested to combine the computing cloud and Multiview Service Oriented Architecture MVSOA. To reach such combination, the
MVSOA architecture was taken and we added to the client-side a private cloud in SaaS and DaaS.
The document discusses optimizing data transfer in service-oriented architectures. It proposes an approach called Promulgate that uses a hybrid orchestration and choreography model. Promulgate introduces proxy services that invoke actual web services on behalf of a centralized workflow engine. The proxies can cache and transfer data between each other to optimize transmission between services. The document evaluates Promulgate's use of data caching techniques like dynamic proxy deployment and SOAP compression to reduce redundant data transfer compared to a pure orchestration model. It describes the Promulgate architecture and actors, web service implementation using .NET and Axis, and SOAP compression using zipped SOAP. Experimental setup and configurations are also outlined to test Promulgate's performance over different network
Study on Use Case Model for Service Oriented Architecture Developmentijwtiir
The recent trends in the computer industry are the one
and only thing i.e., web services. Because of the common
availability and open technologies web services are relevant to
all. Service-oriented architecture (SOA) helps organizations to
transform their business processes for high performance by
simplifying the underlying information systems. The most
challenging aspect of building successful software applications is
clearly understanding and specifying the requirements that an
application must satisfy. Use case modeling is an increasingly
popular approach for identifying and defining requirements for
software applications of all types. Use cases describe the
behavior of the system as its users interact with it. This approach
helps to place the software requirements in the framework of a
user doing some useful work with the system. This type of
approach helps to map software requirements to the relevant enduser business processes, a very powerful concept. This paper
presents how the relationship between use case model and
Service oriented architecture.
Software as a Service (SaaS) becomes in this decade the focus of many enterprises and research. SaaS
provides software application as Web based delivery to server many customers. This sharing of
infrastructure and application provided by Saas has a great benefit to customers, since it reduces costs,
minimizes risks, improves their competitive positioning, as well as seeks out innovative. SaaS application is
generally developed with standardized software functionalities to serve as many customers as
possible.However many customers ask to change the standardized provided functions according to their
specific business needs, and this can be achieve through the configuration and customization provided by
the SaaS vendor.Allowing many customers to change software configurations without impacting others
customers and with preserving security and efficiency of the provided services, becomes a big challenge to
SaaS vendors, who are oblige to design new strategies and architectures. Multi-tenancy (MT) architectures
allow multiple customers to be consolidated into the same operational system without changing anything in
the vendor source code. In this paper, we will present how the configuration can be done on an ERP web
application in a Multi-Tenancy SaaS environment.
Welcome to International Journal of Engineering Research and Development (IJERD)IJERD Editor
call for paper 2012, hard copy of journal, research paper publishing, where to publish research paper,
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal,
Mapping the Cybernetic Principles of Viable System Model to Enterprise Servic...ITIIIndustries
This paper describes the results of a theoretical mapping of the cybernetic principles of the Viable System Model (VSM) to an Enterprise Service Bus (ESB) model, with the aim to identify the management principles for the integration of services at all levels in the enterprise. This enrichment directly contributes to the viability of service-oriented systems and the justification of Business/IT alignment within enterprise. The model was identified to be suitable for further adaption in the industrial setting planned within Australian governmental departments.
This document provides an overview of service-oriented architecture (SOA) fundamentals and concepts. It discusses the evolution of computing architectures from mainframes to client-server to web services. Key SOA concepts are introduced like loosely coupled services, service consumers and providers, and standards like XML, SOAP, WSDL and UDDI. The roles of the enterprise service bus, SOA registry, service broker and supervisor are described. Finally, the document presents a high-level view of how all the components work together in an SOA.
With the increasing usage of smartphones and other devices, digitization of banking sector is expected to catch up the increasing expectations of the customer. Banks have a significant role in our lives. Every one of us will execute at least a single financial transaction in a day. Hence, it becomes necessary for banks to enrich customer experience. Digitization becomes mandate feature for banks since it is being adopted in all industries in day to day life. Banks love mainframes because only mainframes can provide a single, unified, efficient solution to a host of different problems. Most of the banks uses Mainframe because of it robust, reliable and secured processing power. It also supports the new technologies like mobile, cloud etc., A business case is presented in this paper to explain Micro service and API framework for existing legacy system. Existing architecture is tightly coupled services with less standardization and fair performance. The aim of this paper is to provide solutions to convert the existing architecture to flexible service to support business for time-to-market, increase in performance and operational efficiency and improve customer experience.
This document provides a summary of service oriented architecture (SOA) and how it integrates with web 2.0 technologies. It discusses key aspects of SOA including requirements, a reference model, interaction models, and a generic reference architecture. The reference architecture shows how services are exposed and integrated via a service provider interface to enable consumers to access capabilities. SOA allows for shared functionality to be reused across multiple business processes and applications through this loose coupling of services.
EVALUATION OF COMPUTABILITY CRITERIONS FOR RUNTIME WEB SERVICE INTEGRATIONijwscjournal
T Today’s competitive environment drives the enterprises to extend their focus and collaborate with their business partners to carry out the necessities. Tight coordination among business partners assists to share and integrate the service logic globally. But integrating service logics across diverse enterprises leads to
exponential problem which stipulates developers to comprehend the whole service and must resolve suitable method to integrate the services. It is complex and time-consuming task. So the present focus is to have a mechanized system to analyze the Business logics and convey the proper mode to integrate them.
There is no standard model to undertake these issues and one such a framework proposed in this paper examines the Business logics individually and suggests proper structure to integrate them. One of the innovative concepts of proposed model is Property Evaluation System which scrutinizes the service logics and generates Business Logic Property Schema (BLPS) for the required services. BLPS holds necessary information to recognize the correct structure for integrating the service logics. At the time of integration, System consumes this BLPS schema and suggests the feasible ways to integrate the service logics. Also if the service logics are attempted to integrate in invalid structure or attempted to violate accessibility levels, system will throw exception with necessary information. This helps developers to ascertain the efficient structure to integrate the services with least effort.
This document provides an overview of service-oriented architecture (SOA). It defines SOA and its key concepts, discusses the motivations for and applications of SOA, compares SOA to other methodologies, outlines implementation technologies, advantages and challenges. It also reviews SOA methodologies, describes the typical steps in a SOA approach, discusses the future of SOA and open research areas, and provides recommendations for adopting SOA.
A review of soa modeling approaches for enterprise information systemsTiago Oliveira
This document reviews and compares several approaches to modeling services for service-oriented architecture (SOA) in enterprise information systems. It discusses SOA-RM, SOA-RFA, SOA Ontology, SOMF, PIM4SOA, SoaML, and SOMA modeling approaches. The findings indicate that while each approach has strengths and weaknesses, combining aspects of the SOMA methodology with the SoaML modeling language allows for more detailed and systematic modeling of services to enable flexible SOA solutions.
This document discusses service-oriented architecture (SOA) and related concepts. It defines SOA as a software design pattern based on discrete software modules called services that collectively provide application functionality. SOA allows services to easily cooperate over a network through standardized communication. The document outlines the evolution of SOA from earlier paradigms like object-orientation, different types of SOA, and key SOA concepts like loose coupling and interoperability. It also discusses merits and limitations of the SOA approach.
The document discusses the relationship between web services and primitive SOA. It defines web services as a technology framework that includes architectures, technologies, concepts and models. The key aspects of the web services framework are service descriptions using WSDL, SOAP messaging, and service registration/discovery using UDDI. Web services can take on different roles like service provider, requestor, or intermediary. The document also discusses different service models including business, utility, and controller services.
Service Oriented Architecture.
SOA is a style of architecting applications in such a way that they are composed of discrete software agents that have simple, well defined interfaces and are orchestrated through a loose coupling to perform a required function.
A SERVICE ORIENTED DESIGN APPROACH FOR E-GOVERNANCE SYSTEMSijitcs
The document describes a service-oriented design approach for e-governance systems. It discusses key challenges in developing e-governance systems and proposes addressing these challenges through a service-oriented paradigm. The approach defines concepts like service types (readily available, composable, collaborative), service windows, service composition, and service collaboration. Service types depend on the complexity of processing required - readily available services require minimal processing, composable services may invoke other related services, and collaborative services require coordination across service windows. The approach aims to provide reusable, interoperable services and facilitate integration of existing applications in e-governance systems.
SOA can provide benefits to banks such as increased agility, flexibility, and the ability to more easily make changes and additions to their systems. It allows banks to break down traditional silos and design systems around customer workflows. Wells Fargo has seen significant cost savings and productivity gains through the reuse of services across different parts of their business with SOA. Deutsche Bank also experiences reduced development time and higher quality services through reuse with SOA.
This document outlines the objectives and content of the IT6801 Service Oriented Architecture course. The course aims to teach students XML fundamentals, building XML-based applications, understanding service oriented architecture principles, web services technology elements, and building SOA-based applications. The course contains 5 units that cover topics like XML document structure, XML schemas, SOA characteristics, web service standards, and composing SOA applications. Students will learn to build applications based on XML, develop web services, and create SOA solutions for enterprise applications.
Service-oriented Architecture with Respect to ReusabilityYazd University
This document provides an introduction to service-oriented development with a focus on reusability. It includes 4 lectures on topics like introduction to service-oriented architecture, reusability and its relation to SOA, SOA tools, and SOA case studies. The lectures are presented by group members from Shahid Bahonar University of Kerman and cover concepts such as SOA, web services, the SOA lifecycle, and SOA design patterns.
The document describes a conceptual model for services in the PLASTIC project. It builds on previous work modeling mobile distributed computing platforms. The conceptual model represents components, services, and their relationships using a UML-like notation. It extends an existing SeCSE conceptual model by introducing new concepts like context, location, adaptation, and relationships between services and software components. The goal is to develop a common vocabulary that all project partners can use to facilitate communication and modeling tasks.
This document discusses integrating legacy applications with modern J2EE applications using a service-oriented architecture (SOA). It describes using IBM WebSphere Message Broker to connect and transform data between legacy and J2EE applications without modifying the applications. The document also discusses using IBM WebSphere Message Queue for asynchronous messaging between distributed applications, and IBM WebSphere Portal Server for providing a unified user interface and integrating application components.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
This document provides an overview of service-oriented architecture (SOA) and metrics to measure coupling in SOA. It first defines key concepts in SOA like loosely coupled services, service orientation, and service-oriented computing. It then discusses the three planes of SOA - service foundations, service composition, and service management and monitoring. Finally, it proposes using metrics to measure coupling between services to predict maintainability during the design phase of SOA systems.
1. The document discusses microservices as an emerging software architecture compared to service-oriented architectures (SOAs). Microservices break applications into independently deployable components that communicate over well-defined interfaces, allowing for improved scalability, quicker delivery, and greater autonomy compared to monolithic applications.
2. SOAs also break systems into services but take a centralized orchestration approach, while microservices emphasize decentralized coordination and independent deployment of each component service.
3. The benefits of microservices include improved scalability since each component can be scaled independently, quicker delivery through parallel development and deployment of components, and greater autonomy for teams in deploying and managing individual services.
WEB PORTAL INTEGRATION ARCHITECTURE APPROACHESijwscjournal
This document proposes a service-oriented architecture approach for web portal integration. It begins by describing a platform-independent integration architecture based on standards like UML, MOF, and XMI. This allows modeling integration independently of specific technologies. The document then discusses using WSMO as a specific implementation, describing how the platform-independent layers map to WSMO. It also discusses integrating agents and semantic web services using model transformations. Finally, it proposes additional "X-as-a-Service" layers that could be part of the architecture, like structure-as-a-service and process-as-a-service.
WEB PORTAL INTEGRATION ARCHITECTURE APPROACHESijwscjournal
Enterprise Modelling with Web portal integration architecture requires investment of advanced architectural thinking into definition of services before any development of services or service consumers can begin. Service Oriented Architecture (SOA) is gradually replacing monolithic architecture as the premier design principle for new business applications with its inherently systematic nature and capability. Earlier efforts of notable styles of SOA such as CORBA and XATMI have failed to be adopted as main stream projects because of demanding design process requirement with sense-making activities and even have been residing with the modern SOA or Web services middleware. In this paper it is aimed to incorporate sensemaking design activities with the proposed semantic web service based architecture. This paper tries to tackle the above problem by proposing a service-oriented architecture for web data and service integration. A gen-Spec architectural pattern has been suggested and adopted in order to tackle the problem.
Firstly, it proposes a service-oriented platform independent architecture and Secondly, it presents a specific deployment of such architecture for data and service integration on the web using semantic web services implemented with the WSMO (Web Services Modeling Ontology).
Contemporary research challenges and applications of service oriented archite...Dr. Shahanawaj Ahamad
Service Oriented Architecture (SOA) is distributed architectural framework that provides service-based
solutions for improving the effectiveness of enterprise’s IT infrastructure. In this framework, technical and
business processes are implemented as services. A service is an independent software application that has been
designed to perform a specific function with emphasis on loose coupling between interacting services and their
components. SOA permits developers to utilize many of the resources from existing services to form the
distributed applications. This study has investigated to highlight the emerging issues of SOA such as service
structures advancement, requirements of evolution for current age applications like mobile-cloud, medical and
mechanism for interoperable operations. The paper also uncovers the practical application domains of SOA. It
has identified research attentions in these domains with detection of issues to carry further research to
overcome constraints in current scenarios.
Evaluation of a Framework for Integrated Web ServicesIRJET Journal
This document proposes and evaluates a framework for integrating web services. It begins by discussing how users appreciate simple, on-demand access to affordable software services without needing to install or update applications themselves. The document then presents an argument for a web-based architecture that allows users to access and purchase a wide range of software applications as needed. It evaluates this framework through user surveys and examples of simulation software services to demonstrate how the integrated framework can be implemented. The surveys found that the framework reduced costs, simplified processes, and improved the user experience by combining various online components and software services.
This document provides a summary of service oriented architecture (SOA) and how it integrates with web 2.0 technologies. It discusses key aspects of SOA including requirements, a reference model, interaction models, and a generic reference architecture. The reference architecture shows how services are exposed and integrated via a service provider interface to enable consumers to access capabilities. SOA allows for shared functionality to be reused across multiple business processes and applications through this loose coupling of services.
EVALUATION OF COMPUTABILITY CRITERIONS FOR RUNTIME WEB SERVICE INTEGRATIONijwscjournal
T Today’s competitive environment drives the enterprises to extend their focus and collaborate with their business partners to carry out the necessities. Tight coordination among business partners assists to share and integrate the service logic globally. But integrating service logics across diverse enterprises leads to
exponential problem which stipulates developers to comprehend the whole service and must resolve suitable method to integrate the services. It is complex and time-consuming task. So the present focus is to have a mechanized system to analyze the Business logics and convey the proper mode to integrate them.
There is no standard model to undertake these issues and one such a framework proposed in this paper examines the Business logics individually and suggests proper structure to integrate them. One of the innovative concepts of proposed model is Property Evaluation System which scrutinizes the service logics and generates Business Logic Property Schema (BLPS) for the required services. BLPS holds necessary information to recognize the correct structure for integrating the service logics. At the time of integration, System consumes this BLPS schema and suggests the feasible ways to integrate the service logics. Also if the service logics are attempted to integrate in invalid structure or attempted to violate accessibility levels, system will throw exception with necessary information. This helps developers to ascertain the efficient structure to integrate the services with least effort.
This document provides an overview of service-oriented architecture (SOA). It defines SOA and its key concepts, discusses the motivations for and applications of SOA, compares SOA to other methodologies, outlines implementation technologies, advantages and challenges. It also reviews SOA methodologies, describes the typical steps in a SOA approach, discusses the future of SOA and open research areas, and provides recommendations for adopting SOA.
A review of soa modeling approaches for enterprise information systemsTiago Oliveira
This document reviews and compares several approaches to modeling services for service-oriented architecture (SOA) in enterprise information systems. It discusses SOA-RM, SOA-RFA, SOA Ontology, SOMF, PIM4SOA, SoaML, and SOMA modeling approaches. The findings indicate that while each approach has strengths and weaknesses, combining aspects of the SOMA methodology with the SoaML modeling language allows for more detailed and systematic modeling of services to enable flexible SOA solutions.
This document discusses service-oriented architecture (SOA) and related concepts. It defines SOA as a software design pattern based on discrete software modules called services that collectively provide application functionality. SOA allows services to easily cooperate over a network through standardized communication. The document outlines the evolution of SOA from earlier paradigms like object-orientation, different types of SOA, and key SOA concepts like loose coupling and interoperability. It also discusses merits and limitations of the SOA approach.
The document discusses the relationship between web services and primitive SOA. It defines web services as a technology framework that includes architectures, technologies, concepts and models. The key aspects of the web services framework are service descriptions using WSDL, SOAP messaging, and service registration/discovery using UDDI. Web services can take on different roles like service provider, requestor, or intermediary. The document also discusses different service models including business, utility, and controller services.
Service Oriented Architecture.
SOA is a style of architecting applications in such a way that they are composed of discrete software agents that have simple, well defined interfaces and are orchestrated through a loose coupling to perform a required function.
A SERVICE ORIENTED DESIGN APPROACH FOR E-GOVERNANCE SYSTEMSijitcs
The document describes a service-oriented design approach for e-governance systems. It discusses key challenges in developing e-governance systems and proposes addressing these challenges through a service-oriented paradigm. The approach defines concepts like service types (readily available, composable, collaborative), service windows, service composition, and service collaboration. Service types depend on the complexity of processing required - readily available services require minimal processing, composable services may invoke other related services, and collaborative services require coordination across service windows. The approach aims to provide reusable, interoperable services and facilitate integration of existing applications in e-governance systems.
SOA can provide benefits to banks such as increased agility, flexibility, and the ability to more easily make changes and additions to their systems. It allows banks to break down traditional silos and design systems around customer workflows. Wells Fargo has seen significant cost savings and productivity gains through the reuse of services across different parts of their business with SOA. Deutsche Bank also experiences reduced development time and higher quality services through reuse with SOA.
This document outlines the objectives and content of the IT6801 Service Oriented Architecture course. The course aims to teach students XML fundamentals, building XML-based applications, understanding service oriented architecture principles, web services technology elements, and building SOA-based applications. The course contains 5 units that cover topics like XML document structure, XML schemas, SOA characteristics, web service standards, and composing SOA applications. Students will learn to build applications based on XML, develop web services, and create SOA solutions for enterprise applications.
Service-oriented Architecture with Respect to ReusabilityYazd University
This document provides an introduction to service-oriented development with a focus on reusability. It includes 4 lectures on topics like introduction to service-oriented architecture, reusability and its relation to SOA, SOA tools, and SOA case studies. The lectures are presented by group members from Shahid Bahonar University of Kerman and cover concepts such as SOA, web services, the SOA lifecycle, and SOA design patterns.
The document describes a conceptual model for services in the PLASTIC project. It builds on previous work modeling mobile distributed computing platforms. The conceptual model represents components, services, and their relationships using a UML-like notation. It extends an existing SeCSE conceptual model by introducing new concepts like context, location, adaptation, and relationships between services and software components. The goal is to develop a common vocabulary that all project partners can use to facilitate communication and modeling tasks.
This document discusses integrating legacy applications with modern J2EE applications using a service-oriented architecture (SOA). It describes using IBM WebSphere Message Broker to connect and transform data between legacy and J2EE applications without modifying the applications. The document also discusses using IBM WebSphere Message Queue for asynchronous messaging between distributed applications, and IBM WebSphere Portal Server for providing a unified user interface and integrating application components.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
This document provides an overview of service-oriented architecture (SOA) and metrics to measure coupling in SOA. It first defines key concepts in SOA like loosely coupled services, service orientation, and service-oriented computing. It then discusses the three planes of SOA - service foundations, service composition, and service management and monitoring. Finally, it proposes using metrics to measure coupling between services to predict maintainability during the design phase of SOA systems.
1. The document discusses microservices as an emerging software architecture compared to service-oriented architectures (SOAs). Microservices break applications into independently deployable components that communicate over well-defined interfaces, allowing for improved scalability, quicker delivery, and greater autonomy compared to monolithic applications.
2. SOAs also break systems into services but take a centralized orchestration approach, while microservices emphasize decentralized coordination and independent deployment of each component service.
3. The benefits of microservices include improved scalability since each component can be scaled independently, quicker delivery through parallel development and deployment of components, and greater autonomy for teams in deploying and managing individual services.
WEB PORTAL INTEGRATION ARCHITECTURE APPROACHESijwscjournal
This document proposes a service-oriented architecture approach for web portal integration. It begins by describing a platform-independent integration architecture based on standards like UML, MOF, and XMI. This allows modeling integration independently of specific technologies. The document then discusses using WSMO as a specific implementation, describing how the platform-independent layers map to WSMO. It also discusses integrating agents and semantic web services using model transformations. Finally, it proposes additional "X-as-a-Service" layers that could be part of the architecture, like structure-as-a-service and process-as-a-service.
WEB PORTAL INTEGRATION ARCHITECTURE APPROACHESijwscjournal
Enterprise Modelling with Web portal integration architecture requires investment of advanced architectural thinking into definition of services before any development of services or service consumers can begin. Service Oriented Architecture (SOA) is gradually replacing monolithic architecture as the premier design principle for new business applications with its inherently systematic nature and capability. Earlier efforts of notable styles of SOA such as CORBA and XATMI have failed to be adopted as main stream projects because of demanding design process requirement with sense-making activities and even have been residing with the modern SOA or Web services middleware. In this paper it is aimed to incorporate sensemaking design activities with the proposed semantic web service based architecture. This paper tries to tackle the above problem by proposing a service-oriented architecture for web data and service integration. A gen-Spec architectural pattern has been suggested and adopted in order to tackle the problem.
Firstly, it proposes a service-oriented platform independent architecture and Secondly, it presents a specific deployment of such architecture for data and service integration on the web using semantic web services implemented with the WSMO (Web Services Modeling Ontology).
Contemporary research challenges and applications of service oriented archite...Dr. Shahanawaj Ahamad
Service Oriented Architecture (SOA) is distributed architectural framework that provides service-based
solutions for improving the effectiveness of enterprise’s IT infrastructure. In this framework, technical and
business processes are implemented as services. A service is an independent software application that has been
designed to perform a specific function with emphasis on loose coupling between interacting services and their
components. SOA permits developers to utilize many of the resources from existing services to form the
distributed applications. This study has investigated to highlight the emerging issues of SOA such as service
structures advancement, requirements of evolution for current age applications like mobile-cloud, medical and
mechanism for interoperable operations. The paper also uncovers the practical application domains of SOA. It
has identified research attentions in these domains with detection of issues to carry further research to
overcome constraints in current scenarios.
Evaluation of a Framework for Integrated Web ServicesIRJET Journal
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The recent trends in the computer industry are the one and only thing i.e., web services. Because of the common availability and open technologies web services are relevant to all. Service-oriented architecture (SOA) helps organizations to transform their business processes for high performance by simplifying the underlying information systems. The most challenging aspect of building successful software applications is clearly understanding and specifying the requirements that an application must satisfy. Use case modeling is an increasingly popular approach for identifying and defining requirements for software applications of all types. Use cases describe the behavior of the system as its users interact with it. This approach helps to place the software requirements in the framework of a user doing some useful work with the system. This type of approach helps to map software requirements to the relevant endures business processes, a very powerful concept. This paper presents how the relationship between use case model and Service oriented architecture.
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SELECTION MECHANISM OF MICRO-SERVICES ORCHESTRATION VS. CHOREOGRAPHY IJwest
ABSTRACT Web services is a special case of a service-oriented architecture (SOA), which is, basically, a representation of web application‘s functionality. Web service is more of a generalized concept that implies whole functionality as a whole but Microservice handles only the single specific task. MSA is emerging as an excellent architecture style enabling the division of large and complex applications into micro-scale yet many services, each runs in its own process, has its own APIs, and communicates with one another using lightweight mechanisms such as HTTP. Microservices are built around business capabilities, loosely coupled and highly cohesive, horizontally scalable, independently deployable, technology-agnostic, etc. On the other side for the business dynamic requirement these microservices need to be composed for the realization of enterprise-scale, and business-critical applications. Service composition is combining various services together to provide the solution for the user dynamic queries. There are two methods for the microservice composition i.e. orchestration and choreography. In this paper,a health case study is performed for the selection mechanism of orchestration method and choreography method in various situation.
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T Today’s competitive environment drives the enterprises to extend their focus and collaborate with their business partners to carry out the necessities. Tight coordination among business partners assists to share and integrate the service logic globally. But integrating service logics across diverse enterprises leads to exponential problem which stipulates developers to comprehend the whole service and must resolve suitable method to integrate the services. It is complex and time-consuming task. So the present focus is to have a mechanized system to analyze the Business logics and convey the proper mode to integrate them. There is no standard model to undertake these issues and one such a framework proposed in this paper examines the Business logics individually and suggests proper structure to integrate them. One of the innovative concepts of proposed model is Property Evaluation System which scrutinizes the service logics and generates Business Logic Property Schema (BLPS) for the required services. BLPS holds necessary information to recognize the correct structure for integrating the service logics. At the time of integration, System consumes this BLPS schema and suggests the feasible ways to integrate the service logics. Also if the service logics are attempted to integrate in invalid structure or attempted to violate accessibility levels, system will throw exception with necessary information. This helps developers to ascertain the efficient structure to integrate the services with least effort.
EVALUATION OF COMPUTABILITY CRITERIONS FOR RUNTIME WEB SERVICE INTEGRATIONijwscjournal
T Today’s competitive environment drives the enterprises to extend their focus and collaborate with their business partners to carry out the necessities. Tight coordination among business partners assists to share and integrate the service logic globally. But integrating service logics across diverse enterprises leads to exponential problem which stipulates developers to comprehend the whole service and must resolve suitable method to integrate the services. It is complex and time-consuming task. So the present focus is to have a mechanized system to analyze the Business logics and convey the proper mode to integrate them. There is no standard model to undertake these issues and one such a framework proposed in this paper examines the Business logics individually and suggests proper structure to integrate them. One of the innovative concepts of proposed model is Property Evaluation System which scrutinizes the service logics and generates Business Logic Property Schema (BLPS) for the required services. BLPS holds necessary information to recognize the correct structure for integrating the service logics. At the time of integration, System consumes this BLPS schema and suggests the feasible ways to integrate the service logics. Also if the service logics are attempted to integrate in invalid structure or attempted to violate accessibility levels, system will throw exception with necessary information. This helps developers to ascertain the efficient structure to integrate the services with least effort.
This document summarizes the state of research in service-oriented computing. It discusses key concepts like service-oriented architecture (SOA) and how it promotes assembling application components into a loosely coupled network of services. The document outlines research challenges in areas like service foundations (discovery, binding etc.), composition, management/monitoring, and design/development. It provides examples of the current state of research on topics like enterprise service buses, self-managing services, and engineering service applications.
International Journal of Computer Science, Engineering and Information Techno...ijcseit
This document discusses configuration in Software as a Service (SaaS) multi-tenancy environments. It begins by defining key cloud computing concepts like Infrastructure as a Service, Platform as a Service, and Software as a Service. It then discusses how multi-tenancy architectures allow multiple customers to use the same application instance. The document focuses on how enterprise resource planning (ERP) systems can be configured in a SaaS multi-tenant environment through tools that allow customizing stylesheets, images, scripts, text and more for each customer while maintaining a single application instance.
Software as a Service (SaaS) becomes in this decade the focus of many enterprises and research. SaaS
provides software application as Web based delivery to server many customers. This sharing of
infrastructure and application provided by Saas has a great benefit to customers, since it reduces costs,
minimizes risks, improves their competitive positioning, as well as seeks out innovative. SaaS application is
generally developed with standardized software functionalities to serve as many customers as
possible.However many customers ask to change the standardized provided functions according to their
specific business needs, and this can be achieve through the configuration and customization provided by
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customers and with preserving security and efficiency of the provided services, becomes a big challenge to
SaaS vendors, who are oblige to design new strategies and architectures. Multi-tenancy (MT) architectures
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The document discusses cloud computing models that could support the growing business needs of Falcon Security. It suggests that Falcon adopt cloud services like Amazon RDS for databases, Amazon S3 for storage, and Google Mail, Office 365, and Microsoft CRM online for software. The paper compares cloud computing to service-oriented architecture and discusses private, public, and hybrid cloud deployment models as well as platform as a service (PaaS), software as a service (SaaS), and service-oriented architecture (SOA).
A Novel Framework for Reliable and Fault Tolerant Web ServicesAbhishek Kumar
This document proposes a novel framework for providing reliable and fault tolerant web services. The framework uses replication and a replication manager to select a primary web service from among multiple replicas. When the primary web service fails or becomes unavailable, the replication manager switches to a new primary by updating the WSDL registration to ensure uninterrupted service for consumers. The replication manager continuously monitors the web services and can trigger recovery, reconfiguration or restart processes to maintain reliability. The proposed approach aims to achieve high performance and reliability for web services.
METRIC-BASED FRAMEWORK FOR TESTING & EVALUATION OF SERVICE-ORIENTED SYSTEMijseajournal
The increase in the significance of service orientation in system development is accelerating with an increase in demand for qualitative and cost-effective systems. Service-Oriented Architecture (SOA) is one of the established structural designs used for developing and implementing flexible, reusable, rapid and low-cost service-oriented systems. The established testing and evaluation methods don’t work well for systems that are made-up of services (service-oriented system). As a result, several testing and evaluation metrics for service-oriented systems were proposed. However, these metrics were created based on preceding software development approaches that offer insufficient focus to service-oriented systems thereby lacking the efficiency to evaluate these systems. Furthermore, Lack of access to source code also frustrates classical mutation-testing approaches, which require seeding the code with errors. This paper discusses different testing and evaluation metrics available for SOS and proposed a theory-grounded framework for testing and evaluation of service-oriented systems with the aim of decreasing cost and increasing the quality of the SOS. Then, the proposed framework is validated theoretically to check its usability and applicability for testing and evaluation of SOS. The results show that the proposed framework is able to decrease cost and increasing the quality of the SOS.
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BUSINESS SILOS INTEGRATION USING SERVICE ORIENTED ARCHITECTURE
1. International Journal of Computer Science, Engineering and Applications (IJCSEA) Vol.2, No.2, April 2012
DOI : 10.5121/ijcsea.2012.2206 71
BUSINESS SILOS INTEGRATION USING SERVICE
ORIENTED ARCHITECTURE
Rajashri Hiremath1
and Dr R Selvarani2
1
Department of Computer Engineering, MSRIT, VTU, Bangalore, Karnataka, India
rajashrihiremath@gmail.com
2
Department of Computer Engineering, MSRIT, VTU, Bangalore, Karnataka, India
selvarani.riic@gmail.com
ABSTRACT
Agile integration satisfies the business agility and provides solutions for maintaining business changes and
ensures that the enterprise survives in the current competition. Any business should be robust enough to
respond to end user request. Existing traditional enterprise applications are in-capable of integrating with
different business silos lacks to improve the business agility. To address this issue, this paper is about the
agile integration of different business silos using “Service Oriented Architecture” and its core technology
enables the business enterprise systems flexible, loosely coupled and improves agility. Enterprise business
systems have to adopt Service Oriented Architecture (SOA) as it promises to help them respond more
rapidly to changing business requirements by composing new solutions from existing business services.
Here the definition of SOA, its layers and the core technologies have been discussed.
KEYWORDS
Service Oriented Architecture, Enterprise Service Bus, Business Process Execution Language, Business
Rules Engine, Web Service Description Language, Quality of Service
1. INTRODUCTION
Current business systems are developed monolithically, which is difficult to integrate with other
business systems and lack in co-ordination. Redundant information is resided in each of the
monolithic systems and consolidation of this information from these systems is awful. Along with
the rapid, worldwide development of information technology, information systems for all
purposes is needed everywhere. The existing business systems have failed to meet the rapid
development changes required. Also these systems possibly will not be able to adapt in intensely
changing market and correspondingly changing business. A system needs to be built, which
provides loose coupling, platform independence, and language independent architecture, which
improves agility and act in response to the speed of a business enterprise.
To overcome this problem, SOA provides an agile based architecture towards integrating these
monolithic systems, which address the technology agility to achieve the business agility by
operational efficiency, cost and time-to-market and provide a unified view of information across
silos.
2. International Journal of Computer Science, Engineering and Applications (IJCSEA) Vol.2, No.2, April 2012
72
2. BACKGROUND
In SOA, the services and workflows have a close relationship. A number of services can
constitute workflows and the service itself can be achieved based on workflows. Because of
dynamic changes of the organization and service, the distributed computing method is quite
different with the traditional workflow management model. Also, [4] the architecture of SOA
embodies the characteristics of distributed computing. So in order to resolve the service oriented
workflow management system across different organizations, a system based [13] on the structure
of a service-oriented workflow management system in a number of services and the workflow
management, and their communications standards can be seen. [2] Major distributed systems,
such as educational system, are difficult to develop due to their complex and decentralized nature.
SOA is a new form of distributed software architecture. [11] It facilitates the development of such
systems by supporting modular design, application integration interoperation and software reuse.
With open standards, such as XML, SOAP, WSDL and UDDI, It also supports interoperability
between services operating on different platforms and between applications implemented in
different programming languages. Maintainability [2] of educational services is easier than
before, because educational services are divided with respect to category and functions. [7] It can
be used with GIS applications too. In which it consists of a reference model, conceptual model,
and a design method. Reference model shows roadmap of any future architectural and design
efforts. Conceptual model introduces a conceptual service oriented solution for reference model.
Finally, service oriented design method leads organizations to reach the solution through specific
process. As a result, it provides general software architecture, which covers both real enterprise
requirements and GIS concerns. It is an agile model with proper patterns, which increases
interoperability and reusability across the enterprise. Also the model can adopt itself with any
organizations and can be customized to any specific GIS applications. [7]
There are various frameworks developed with SOA for different enterprises. Few of the
frameworks developed are as follows. Service-oriented architectures support distributed
heterogeneous environments, where business transactions occur among loosely connected
services. Ensuring a secure infrastructure for this environment is challenging. [1] There are
various approaches to addressing information security, each with its own set of benefits and
difficulties. Additionally, organizations can adopt vendor-based information security frameworks
to assist them in implementing adequate information security controls. Unfortunately, there is no
standard information security framework, which has been adopted for service-oriented
architectures. Information security components for a service-oriented architecture environment
are proposed based on the analysis of information security challenges faced by service-oriented
architectures. [1, 16] SOA has created opportunities to improve agility and speeds in aligning
business needs with information technology infrastructure. Most of the organizations in the
process of applying this technology encounter with challenges and may have failure despite
spending a lot of energy and huge investments. Hence they need to implement a service oriented
framework for SOA governance maturity and to aim at the current status of governance,
determine their requirements and then offer a suitable [15] model for it.
Three dimensions identify for the framework: maturity levels, governance maturity levels and
adoption domains. Through a good framework, organization can recognize its current situation
better and determine its future status easier. [5, 14] It is an architectural pattern providing agility
to align technical solutions to modular business services that are decoupled from service
consumers. Service capabilities such as interface options, quality of service, throughput, security
and other constraints are described in the Service Level Agreement that would typically be
published in the service registry (UDDI) for use by customers and/or mediation mechanisms. For
mobile data streaming [10] applications, problems arise when a service provider’s SLA attributes
3. International Journal of Computer Science, Engineering and Applications (IJCSEA) Vol.2, No.2, April 2012
73
cannot be mapped one-to-one to the service consumers (i.e. 150MB/sec video stream service
provider to 5MB/sec data consumer). Hence a generic framework prototype[9, 17] for managing
and disseminating streaming data within a SOA environment as an alternative to custom service
implementations based upon specific consumers or data types can be obtained. Based on that
framework, a set of services were implemented to demonstrate the flexibility of streaming data
framework within SOA environment. A prototype comprising a set of services that can control
and disseminate data streaming within a generic framework that is language and encoding
independent could be implemented. Hence unnecessary or unwanted network traffic that would
otherwise tax the bandwidth, energy, and processing capacities of mobile devices could be
minimized [3].
IT [6, 12] solutions and services are being developed, debugged, deployed and delivered from
clouds to be conveniently consumed by global users via the open and public web. The web and
the cloud resources are smartly combined and leveraged to ring in a series of delectable
improvements and improvisations in the ways and means in which IT is being approached,
analysed, and articulated. With the availability of slim and sleek devices, the cloud idea is to enter
into a totally exotic and strange phase. One noteworthy derivative out of all these hot happenings
in the cloud world is the eruption of service oriented cloud applications (SOCAs) due to the cool
convergence of service orientation and cloud paradigms. The performance bottlenecks of SOCAs
by taking into account a number of diverse scenarios can be observed. A new performance
calculation as well as enhancement mechanism for this type of flexible and futuristic cloud-based
applications can be presented [6, 12].
3. SOA ARCHITECTURE
SOA is a technology that makes it possible to link a variety of resources on a network for use as
and when needed. The use of it, is more flexible in how resources are connected and utilized
simultaneously than [8] in other types of system architecture designs. Service Oriented
Architecture can be especially helpful when larger numbers of users are connected with the
system, especially if there are remote users that must have access to specific applications residing
on the network. SOA is an application architecture, in which application components or
“services” are well defined using common interfaces, utilize a contract to define how services will
be invoked, and interact in a loosely coupled manner.
3.1 SOA LAYERS
SOA Layers, where the business process, services and enterprise component’s specific systems
reside. The following diagram depicts the architecture of composite services which align with
business processes.
Layer 1 – Operational Systems–It is the bottom layer which describes about the business
operational systems, which contains legacy, non-legacy systems, ERP, CRM and old traditional
systems.
Layer 2 – Component - It consists of technology specific business components, which provides
the functional realization of services.
Layer 3 – Services - The Services layer consists of portfolio of service components specific to
business units exposed as interfaces by means of service description (WSDL).
Layer 4 – Business Process - It provides the business orchestration of services which includes
sequential flow of acts in a process.
4. International Journal of Computer Science, Engineering and Applications (IJCSEA) Vol.2, No.2, April 2012
74
Layer 5 – Presentation- This Layer is out of scope from SOA prospective, but provides the means
of communication to business through the channels like internet (WWW), mobile, ATM etc.
Layer 6 –Integration– This layer is a back bone, which enables the integration of services through
messaging, routing and transformation.
Layer 7 – QoS - This provides the security, performance and availability of service.
QoS, Security, Management and Monitoring 7
Integration Architecture 6
(Enterprise Service Bus)
Presentation 5
Business Process 4
(Process choreography)
Services 3
(Composite Services)
Component-based 2
(Project or Enterprise Components)
Operational Systems 1
Figure 1. SOA Layers
3.2 WHY AND WHEN SOA?
SOA is the existing technology which is implemented in industry. The technical
characteristics are focused on the distributed technology and loosely coupled interfaces
using open standards and driven through the process, message centric solutions. Web
services are a common channel of integration across platforms in SOA which work on
common communication transportation standards like XML, SOAP, and HTTP.
The following circumstances demand a need of SOA:
1. When there is a demand for high availability of business function.
2. When there is demand for Unified Information view.
3. When there is data not shared across channels.
4. Multiple applications need re-usable functions and data.
5. When there is increased operational cost.
6. When there is Business merger and acquisitions to expand their core business.
7. When there is increased business competition. And
8. Demand for more rapid business models, process across silos.
3.3 WHEN NOT SOA?
The following situations do not require a SOA solution:
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1. he business demands should be developed as simple as possible.
2. When the business cost does not reduce by operations by 10% or High.
3. When there is no improvement in customer satisfaction by 20 %.
4. The demand of the project is only to integrate the technologies.
5. The operational infrastructure must be as simple as possible.
6. When the service needs to provide a required unit of business functionality that supports
business process and goals
7. The existence of the service help in eliminating redundant implementations, i.e. promote
reuse.
4. CORE INTEGRATION TECHNOLOGIES
4.1 ENTERPRISE SERVICE BUS
Enterprise Service Bus is the channel for communication between parts, between applications
which is accomplished by using messaging, transformation and routing. ESB providers provide
adapters for interacting SOAP services, file systems, databases, FTP servers, Java Messaging
Services, legacy systems, etc. Typically the services which are offered by ESB are messaging
services, management services, Interface services, Mediation and Security services.
4.2 BUSINESS PROCESS EXECUTION LANGUAGE
BPEL is a language for orchestrating web services to automate business process. It is evolved as
the leading standard for web service integration and business process co-ordination. BPEL
Follows three fundamental principles, asynchrony, flow co-ordination and exception
management. Several Java Integrated Development Environments on the market offer extensive
tool support for BPEL. These IDEs offer GUI based tools that allows the developer to drag and
drop services and activities from a palette onto a graphical representation of the business process.
4.3 BUSINESS RULES ENGINE
Business rules engine separates the key deciding logic of a process. This is an abstraction layer
which enables to change the rules faster and easier without affecting the business logic. The
defined rules are available through a centralized syntactic layer, which are spread throughout the
business process. BRE provides an ability to modify the execution of processes that will
ultimately enhance the viability of each process solution.
5. SYSTEM ARCHITECTURE BASED ON SOA CORE TECHNOLOGIES
Following is the model system architecture of SOA using the core technologies.
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Figure 2. Model System Architecture of SOA
The model architecture comprises of Delivery channel Layer, Business Process Layer, Integration
Service Layer and Information Solutions Layer.
A delivery channel provides a seamless integration with different enterprise application systems.
Generally it provides services via portals, application programs, web service, ATM, Call Center
etc.
Business Process Layer is mainly focused on orchestration to provide value to the respective
business function both with respect to business and IT. Process is focused on organizing the
service by connecting the coarse grained service to fine grained service for fulfilment of the
business needs and routes to the respective service. This acts as an accelerator through the
collaboration of undergoing business and service.
Integration Services Layer can be segregated as business service, information service, data
service which connects to respective information resources for a particular business function.
Usually the communication across the enterprise business information solutions is very
demanding and difficult to re-use and co-ordinate in terms of functions and data. In SOA,
messages are critical to deliver end-to-end services. Messages must be guaranteed a quick and
correct delivery. To enhance messages transportation between services, we can use a core
management service solution the enterprise service bus, which is the back bone of SOA
architecture and helps in integrating with various enterprises business information solutions. ESB
is a special layer that runs on top of the network that provides a guaranteed messaging service for
most of the important messages on the network. This makes the Integration service layer and
Information solutions layer playing a vital role in SOA. Ideally the business processes are isolated
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from business service, which makes these layers agile and helps in changing the business
requirements and its process rapidly without having an impact on the other services.
Quality of Service
Mission critical enterprise systems require an essential and additional basic requirement of
addressing the QoS requirements by adopting security, reliability and transactions. In general,
security is one of the key environments, special concerns and considerations of every
organization to protect business information, sensitive user data and establish trust relationships
with organization business systems. As any business needs a flexible, customizable infrastructure,
so that it can adapt to new requirements and regulations, as business needs a dynamic trust
relationships with partners’ customers and employees. To meet these business needs we need to
leverage a security services infrastructure.
SOA environment should emphasize on some of the following key security challenges;
1. Need for user and service identities so that appropriate security controls are applied
across the organization.
2. Need seamless connection to other organizations on real-time, transactional basis.
3. Need to manage identity and security across a range of systems and services that are
implemented in a diverse mix of new and old technologies.
4. Need to protect the business data during transit and at rest.
5. Need for demonstrable compliance with a growing set of corporate, industry, and
regulatory standards.
To address the above risks the main goals of SOA security are Confidentiality, Integrity, and
Availability and in addition Authentication, Authorization, Auditing / Monitoring, Policy driven,
and Hack proof. Authentication allows access only to the intended application that invokes the
application. Authorization controls access to defined set of services and /or operations within a
service. Auditing maintains a history of service calls and all activities within the SOA
infrastructure. Integrity ensures that data which is entered is not corrupted. The Policy dictates the
capability of the service provider by specifying web service’s conditions under which the service
is provided. Hack proof ensures that the service boundaries are not crossed to prevent several web
service specific attacks such as XML Manipulation, schema attacks etc. The following are the
industry standards for SOA Security which can be understood by every vendors and organizations
that follow a common approach, so that the solutions are re-used, which benefit the parties by
reducing the time, effort and investment and avoid them in re-inventing.
Figure 3. Industry Standards of SOA Security
SOA Security Standards
Authentication WS-Security, WS-Trust, WS-Secure
Conversation
Authorization XACML (eXtensible Access Control Mark-up
Language)
Federation SAML ( Single Sign-On)
Policy WS-Policy, WS-Security Policy , WS-Metadata
Exchange
Confidentiality XML-Encrypt, SSL, XML-Signature
Reliability WS-Reliability, WS-Reliable Messaging
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Enterprise Service Bus also allows the security and monitoring to be applied to services without
modifying their core functionality. BAM (Business Activity Monitoring) is used to monitor the
business process and end-to-end transactions.
6. SOFTWARE PROVIDERS FOR SOA IMPLEMENTATION
SOA platform is the technology component upon which organizations build, model, and
implement the data models, services, and extensions. Because SOA services stretch across the
enterprise, it is essential that the integration platform accommodate the organization’s enterprise-
wide business processes. Finally, the vendor tools / software products would act as accelerators for
integrating applications from one or multiple systems.
There are few software providers which respond to customer needs for agility, interoperability,
business process and connectivity in their enterprise systems. Oracle is one of the software
providers which fulfils the demands and needs of the organizations enterprise business, using SOA
services.
The channel applications are the client applications which are either thick / thin or web based or
mobile based applications developed in JEE / Microsoft / legacy Platform. These applications are
very domain specific which are developed / customized for the organizations demands.
The following table provides the JEE environment software’s for SOA Platform using Oracle
Software Provider tools;
Figure 4. Sample Software Provider Solutions Using SOA
Layer Integration Technologies Product Offerings
Business Process Layer BPM Oracle BPA and BPEL
Business rules Oracle Business Rules
Integration Service
Layer
ESB Oracle Service Bus
QOS User Management (
Security)
Oracle Identity Management
(OID)
Monitoring Oracle Business Activity
Monitoring ( BAM)
Oracle WSM
Operational Layer Analytics Oracle Business Intelligence
(BI)
7. ENTERPRISE BUSINESS INFORMATION SOLUTIONS REALIZATION USING
SOA CORE TECHNOLOGIES
In this section we have a discussion about realization of enterprise business information solutions
using core technologies of SOA. Legacy systems are computer systems that have been in
operation for a long time, and whose functions are too essential to be disrupted by upgrading or
integration with another system despite its poor competitiveness. Legacy systems compatibility
with modern equivalents has been facilitated via wrapper services. Wrapper service is a type of
integration service that encapsulates and exposes logic of residing within a legacy system via
standard Web services interface to be integrated in the new SOA based systems. Utilizing SOA,
we can realize to build new applications within enterprises, which expose the ease of integration
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capabilities between newly adapted/developed applications and existing applications. The
following figure 5 is an example of “Realization of Business Information Solutions Using SOA”
The use case “New Credit Card Request” starts as follows, Existing end user requests for a “New
Credit Card” online through the financial business portal. The submitted request by channel is
sent as Soap over HTTP request which is processed by the SOA server. The location of the web
service and WSDL information is sent to the application server. The request submitted by the user
is executed asynchronously and the response will be sent to end user. The business information is
processed by BPEL engine to execute the specific business process which is requested by the end
user. The process executes sequential tasks to fulfil the requirement. As part of the process first
the “User Information is captured from one of the business silo “SAP CRM”, based on the user
information, the external “Credit Score System” is connected by the service to decide whether the
user is eligible for credit card or not. Next based on the user profile and credit score information
the respective financial supervisor will approve or reject. After the approval, the request will be
placed to create a credit card for the customer and his information will be maintained in the “Card
Management System” which is a legacy system, which is hosted in Mainframe environment.
Once the card is created the customer will be notified through the mail communication. The mail
server is hosted as part of IT Infrastructure.
On realization of SOA system, it helps to adapt to business agility and respond to the speed of
enterprise business.
Figure 5. Realization of Business Information Solutions Using SOA
8. CONCLUSION
SOA is much more flexible, when compared to EAI (Enterprise Application Integration) and other
architectures. It mainly focuses on the technological problem, system integration and service
encapsulation, and BPM takes charge of the change of management mode. BPM requires
enterprise, build definite process system and have effective management. The EAI based on SOA
core technology can effectively improve the systems’ response speed, and realize the
complementary advantages of them. Therefore, from the aspects of the management and
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ACKNOWLEDGEMENTS
We are thankful for the Computer Science and Engineering department and management of M S
Ramaiah Institute of Technology for having provided all the necessary research facilities.
Biography:
Dr R Selvarani: Dr R. Selvarani holds MI.Tech., Ph.D. in Computer Science and
Engineering and has around 20 years of experience in teaching and research. She has
published several research papers in computer science and holds two patents. She has been
awarded Best Teacher Award twice in various institutions. Currently she is working as a
Professor, Head of Department at M S Ramaiah Institute of technology, Bangalore, India.
Rajashri Y Hiremath: I am pursuing my Mtech in Computer Science and Engineering
at MS Ramaiah Institue of Technology, affiliated to Visvesvaraya Technological
University, Bangalore, Karnataka. I worked in IT for around 5 years.