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How can Oracle Forms (or other legacy) applications be modernized to fit in a contemporary IT architecture? Trends, concepts and technologies are discussed.
How to Build TOGAF Architectures With System Architect (2).pptStevenShing
This document provides an agenda and overview for a TOGAF workshop on building enterprise architectures with System Architect. The agenda covers introducing TOGAF preliminary stages, business architecture, the business service layer, information systems architecture, application portfolio management, and analysis. It discusses modeling functions, processes, services, and applications. It also describes leveraging reference models, integrating with tools like Visio and Blueworks Live, and using the FEA Services Reference Model and TMForum models. The labs guide attending building out the different architecture components in System Architect.
This document provides an agenda for a training on WebSphere Message Broker concepts, technical walkthroughs, and application development. The agenda covers prerequisites, introductions to application integration challenges, enterprise application integration, service oriented architecture, the enterprise service bus, WebSphere Message Broker, ESQL, developing applications using ESQL, Java, and mappings. It also covers installing and configuring WebSphere Message Broker, examples, and troubleshooting. The training will provide concepts and hands-on labs related to integrating applications and developing integration solutions using WebSphere Message Broker.
This document discusses key concepts in software engineering and architecture. It covers the definition of software engineering as a systematic approach to software development, operation, and maintenance. It also discusses software development lifecycles like waterfall, incremental, prototyping and agile models. Additionally, it summarizes different types of architectures like enterprise, business, solution, technical and infrastructure architectures. Finally, it provides an overview of service-oriented architecture (SOA) principles and components.
Enterprise Data Integration for Microsoft Dynamics CRMDaniel Cai
This is the deck that I used for my presentation for XrmVirtual on Apr 9, 2013, which discusses various options that you may have for Microsoft Dynamics CRM data migration and integration.
The document summarizes key concepts in software architecture design, including execution architecture views, code architecture views, component and connector views, architectural styles, and archetypes. It defines execution views as showing how functional components map to runtime entities and how communication is handled. Code views map runtime entities to deployment components. Component and connector views define elements, relations, and properties using styles like pipe-and-filter. Archetypes are universal patterns that recur in business domains and software systems.
This document discusses the expectations and challenges of monitoring solutions for large enterprises with heterogeneous IT infrastructures. It notes that proprietary tools from major vendors can be costly and inflexible, causing organizations to use multiple tools. It advocates for an open-source, standards-based solution like ICINGA that provides consolidation of tools, integration, agility, automation, and cost control. Specific requirements outlined for mainframes, databases, applications, transactions, and typical enterprise components. The document calls for ICINGA to provide a standardized framework, implementation examples, and demonstration platform to effectively communicate its capabilities for large-scale enterprise monitoring.
The document discusses service oriented architecture (SOA) and its benefits for delivering business capabilities quickly and lowering costs. It outlines a three step roadmap to SOA: 1) exposing enterprise data as services, 2) creating portal applications using these services, and 3) orchestrating services into business processes. The document also describes the company's experience implementing SOA in two generations, initially focusing on infrastructure and then composite applications built from shared services.
How can Oracle Forms (or other legacy) applications be modernized to fit in a contemporary IT architecture? Trends, concepts and technologies are discussed.
How to Build TOGAF Architectures With System Architect (2).pptStevenShing
This document provides an agenda and overview for a TOGAF workshop on building enterprise architectures with System Architect. The agenda covers introducing TOGAF preliminary stages, business architecture, the business service layer, information systems architecture, application portfolio management, and analysis. It discusses modeling functions, processes, services, and applications. It also describes leveraging reference models, integrating with tools like Visio and Blueworks Live, and using the FEA Services Reference Model and TMForum models. The labs guide attending building out the different architecture components in System Architect.
This document provides an agenda for a training on WebSphere Message Broker concepts, technical walkthroughs, and application development. The agenda covers prerequisites, introductions to application integration challenges, enterprise application integration, service oriented architecture, the enterprise service bus, WebSphere Message Broker, ESQL, developing applications using ESQL, Java, and mappings. It also covers installing and configuring WebSphere Message Broker, examples, and troubleshooting. The training will provide concepts and hands-on labs related to integrating applications and developing integration solutions using WebSphere Message Broker.
This document discusses key concepts in software engineering and architecture. It covers the definition of software engineering as a systematic approach to software development, operation, and maintenance. It also discusses software development lifecycles like waterfall, incremental, prototyping and agile models. Additionally, it summarizes different types of architectures like enterprise, business, solution, technical and infrastructure architectures. Finally, it provides an overview of service-oriented architecture (SOA) principles and components.
Enterprise Data Integration for Microsoft Dynamics CRMDaniel Cai
This is the deck that I used for my presentation for XrmVirtual on Apr 9, 2013, which discusses various options that you may have for Microsoft Dynamics CRM data migration and integration.
The document summarizes key concepts in software architecture design, including execution architecture views, code architecture views, component and connector views, architectural styles, and archetypes. It defines execution views as showing how functional components map to runtime entities and how communication is handled. Code views map runtime entities to deployment components. Component and connector views define elements, relations, and properties using styles like pipe-and-filter. Archetypes are universal patterns that recur in business domains and software systems.
This document discusses the expectations and challenges of monitoring solutions for large enterprises with heterogeneous IT infrastructures. It notes that proprietary tools from major vendors can be costly and inflexible, causing organizations to use multiple tools. It advocates for an open-source, standards-based solution like ICINGA that provides consolidation of tools, integration, agility, automation, and cost control. Specific requirements outlined for mainframes, databases, applications, transactions, and typical enterprise components. The document calls for ICINGA to provide a standardized framework, implementation examples, and demonstration platform to effectively communicate its capabilities for large-scale enterprise monitoring.
The document discusses service oriented architecture (SOA) and its benefits for delivering business capabilities quickly and lowering costs. It outlines a three step roadmap to SOA: 1) exposing enterprise data as services, 2) creating portal applications using these services, and 3) orchestrating services into business processes. The document also describes the company's experience implementing SOA in two generations, initially focusing on infrastructure and then composite applications built from shared services.
SAP stands for Systems Applications and Products and was originally aimed at providing customers with the ability to interact upon a common database along with comprehensive applications. It was founded in 1972 by five IBM employees in Germany and has since expanded to include many modules that large companies like Microsoft and IBM use to manage finances, production, personnel and more. SAP uses instances, systems IDs, and logical names to uniquely identify systems and allows communication between systems using protocols like RFC, IDoc, and BAPI.
Mulesoft provides integration platform as a service (iPaaS) solutions to help organizations integrate their disparate systems and applications. Enterprise application integration (EAI) is an approach that uses integration software to connect and coordinate interactions between multiple independently developed systems. Mulesoft's EAI solutions allow organizations to integrate systems at various levels including data, application interfaces, business logic, and user interfaces. The solutions provide capabilities like routing, transformation, validation, error handling, and connectivity between different types of systems. Mulesoft's architecture is based on a pipes and filters style which provides modularity, extensibility, and ease of configuration to meet integration needs.
IBM InfoSphere Information Server 8.1 is a unified platform for understanding, cleansing, transforming and delivering trustworthy information. It combines the technologies of components like the Information Server Console, Metadata Workbench, Business Glossary, DataStage & QualityStage, Information Analyzer and Information Services Director. The platform provides shared services for administration and reporting. Metadata services allow accessing and integrating data. Key components include the Metadata Server, Metadata Workbench and Business Glossary for managing metadata. DataStage & QualityStage is used for designing jobs to transform and cleanse data, while Information Analyzer helps understand data quality.
Now that we have looked several design patterns, from the databases to web presentation, we are now ready to look at the application as a whole. In this lecture we examine the considerations we face when creating an application architecture and we look at each of the three layers.
The lecture presents one way of designing enterprise applications. The goal is to create scalable services.
We also look at the Play framework in more detail and look at REST.
IBM Integration Bus provides tools and features to help with integration development and administration. This presentation discusses tools for developers like the Integration Toolkit and API, as well as best practices for administrators around tasks like deployment, monitoring, and disaster recovery. It also covers how applications, libraries, and patterns can aid management of integration solutions.
Toyota Financial Services Digital Transformation - Think 2019Slobodan Sipcic
Toyota Financial Services (TFS) and IBM partnered to develop Data & Integration Platform (D&IP) to be the hub around which all current and future TFS data sources, services, and processes interact. To that end IBM have architected and deployed a FOAK event-based data stream processing and streaming integration platform. The main components of the architecture include: Kubernetes, Apache NiFi, Apache Kafka, Schema Registry, Jenkins, S3 and MongoDB. The platform is essential for realizing the TFS' strategic data stream processing and integration needs.
Migrating from a monolith to microservices – is it worth it?Katherine Golovinova
IURII IVON, EPAM Solution Architect, Microsoft Competency Center Expert.
The term ‘microservices’ has become so popular that many people see it as a silver bullet for all architectural problems, or at least as a trend that should be followed. If your project is a monolith today, does it make sense to move towards microservices? This presentation overviews painful issues to be considered when migrating from a monolith to microservice architecture, ways to solve them, and ideas on the feasibility of such migration.
e-commerce systems and infrastructure.pdfpetermulei3
This document discusses the role of middleware and infrastructure technologies that support e-commerce systems. It defines middleware as software components and applications that reside between users and backend services. Popular middleware includes access gateways, transaction processing monitors, and network/application services. Middleware plays a vital role in integrating the various tiers of an e-commerce system and managing tasks like transaction processing, security, and workload balancing. The document discusses two major middleware frameworks - Common Object Request Broker Architecture (CORBA) from the Object Management Group and Microsoft's Component Object Model (COM).
This document provides an overview of a syllabus on Service Oriented Architecture (SOA). It discusses key topics that will be covered, including SOA characteristics, principles of service orientation, web services, SOA analysis, design, platforms, standards, composition, and security. Prerequisites include basic knowledge of object orientation, web technologies, Java programming, and software paradigms. The content will also cover current trends, software paradigms, application architecture, web-based systems, and component-based systems.
This document discusses N-tier and layered application architectures. It defines layers as logical groupings of functionality and components, while tiers describe the physical distribution of those layers across servers or networks. Common layers include presentation, business, and data access layers. These layers can be separated across tiers on different machines. The document provides examples of how layers map to tiers in applications, including user interfaces, APIs, business logic, and data storage. It outlines best practices for separating concerns across layers and distributing components across tiers to achieve benefits like scalability, reusability and testability.
Hugtakið hugbúnaðararkítektúr er yfirhlaðið orð og þýðir mismunandi hluti fyrir mismunandi fólk. Við ætlum í þessum fyrirlestri að skilgreina ýmis hugtök tengd arkítektúr til að fá betri skilning á þessu. Við munum einnig skilgreina hvað agile arkítektúr þýðir eða hvað það þýðir ekki. Þá skoðum við monolith arkítektúr sem er hinn hefðbundi arkítektúr sem flestir nota í dag. Vandinn er sá að í dag eru kröfurnar meiri en þessi arkítektúr ræður við og því hafa menn verið að skoða aðrar leiðir eins og lightweight Service Oriented Architecture og hvernig smíða má hugbúnað sem þjónustur eða microapps eða microservice.
Við skoðum einnig lagskiptingu en það er elsta trikkið í bókinni og byggir á deila og drottna aðferðinni.
This presentation explains the three layer API design which organisations can use to get most out of there systems with less development and maintenance time spent on fixing issues as a whole in org.
Microsoft Dynamics Ax 2012 extended architectureJohnkrish S
This document provides an overview of Microsoft Dynamics AX 2012 (MSD Ax), an enterprise resource planning (ERP) software. It describes key features such as being multi-currency, multi-language, and fully integrated across functional areas like sales, manufacturing, and resource planning. The document also outlines the three-tier architecture with a database, application server, and client applications. It explains the different client applications and components that make up the MSD Ax system, including the Ax MorphX development environment, SQL databases, reporting services, and the Application Object Server.
The document discusses cloud computing service and deployment models. It describes the three main service models: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). It also outlines the four primary deployment models: public cloud, private cloud, community cloud, and hybrid cloud. For each service and deployment model, the document provides examples and discusses the enabling techniques, typical system architectures, and services provided.
This document discusses service and deployment models for cloud computing. There are three main service models: Infrastructure as a Service (IaaS) provides virtualized computing resources; Platform as a Service (PaaS) provides development platforms; and Software as a Service (SaaS) provides finished applications. There are four primary deployment models: public clouds offer services to the general public; private clouds are for exclusive use by a single organization; community clouds are shared by several organizations with common interests; and hybrid clouds combine two or more deployment models. Together, service and deployment models define how cloud computing resources and services can be accessed and utilized.
This document discusses J2EE (Java 2 Platform, Enterprise Edition), which is a Java platform for developing and running large-scale, multi-tiered, scalable, reliable, and secure network applications. It provides an architecture that simplifies development and maintenance of enterprise applications. Some key points made are:
- J2EE aims to reduce server downtime, increase scalability, provide application stability, security and simplicity.
- It allows "develop once, deploy anywhere" capability and supports n-tier architectures and component-based development.
- J2EE applications are best suited for tasks like providing access to corporate databases, building dynamic web apps, automating communications, and implementing complex business logic.
Open Digital Architecture (ODA) is a blueprint for modular, cloud-based, open digital platforms that can be orchestrated using AI.
Designed to support our industry into the cloud native era, ODA sets the framework required
for CSPs to invest in IT, transforming business agility and operations by creating simpler IT and network solutions that are easier and cheaper to deploy, integrate and upgrade. Enabling growth, profitability and a cutting-edge customer experience.
Embedded systems are application-specific systems that contain both hardware and software tailored for a particular task. Good hardware/software codesign involves representing the system functionality using unified models that can be partitioned between hardware and software implementations. There are various partitioning algorithms that aim to optimize metrics like performance, cost and power consumption by assigning functional objects to either hardware or software components. The choice of modeling language and partitioning approach depends on the application and design constraints.
Ralph Simpson gave a presentation on the history and operation of the one-time pad cipher. He explained that the one-time pad requires a truly random key as long as the plaintext, and is the only proven unbreakable cipher. However, vulnerabilities arise if the pad is reused or not truly random, as was exploited by American codebreakers against Russian spies. The presentation covered inventors Vernam and Mauborgne, various one-time pad encryption machines, and how pad distribution posed logistical challenges.
The document provides an overview of different types of classical ciphers including steganography, Caesar cipher, substitution cipher, transposition cipher, Vigenere cipher, and Vernam cipher. It gives examples and explanations of each cipher type, including plain text to cipher text conversions for the Caesar, substitution, transposition, and Vigenere ciphers. The document also analyzes some of the characteristics and strengths or weaknesses of each cipher type.
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SAP stands for Systems Applications and Products and was originally aimed at providing customers with the ability to interact upon a common database along with comprehensive applications. It was founded in 1972 by five IBM employees in Germany and has since expanded to include many modules that large companies like Microsoft and IBM use to manage finances, production, personnel and more. SAP uses instances, systems IDs, and logical names to uniquely identify systems and allows communication between systems using protocols like RFC, IDoc, and BAPI.
Mulesoft provides integration platform as a service (iPaaS) solutions to help organizations integrate their disparate systems and applications. Enterprise application integration (EAI) is an approach that uses integration software to connect and coordinate interactions between multiple independently developed systems. Mulesoft's EAI solutions allow organizations to integrate systems at various levels including data, application interfaces, business logic, and user interfaces. The solutions provide capabilities like routing, transformation, validation, error handling, and connectivity between different types of systems. Mulesoft's architecture is based on a pipes and filters style which provides modularity, extensibility, and ease of configuration to meet integration needs.
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Now that we have looked several design patterns, from the databases to web presentation, we are now ready to look at the application as a whole. In this lecture we examine the considerations we face when creating an application architecture and we look at each of the three layers.
The lecture presents one way of designing enterprise applications. The goal is to create scalable services.
We also look at the Play framework in more detail and look at REST.
IBM Integration Bus provides tools and features to help with integration development and administration. This presentation discusses tools for developers like the Integration Toolkit and API, as well as best practices for administrators around tasks like deployment, monitoring, and disaster recovery. It also covers how applications, libraries, and patterns can aid management of integration solutions.
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Toyota Financial Services (TFS) and IBM partnered to develop Data & Integration Platform (D&IP) to be the hub around which all current and future TFS data sources, services, and processes interact. To that end IBM have architected and deployed a FOAK event-based data stream processing and streaming integration platform. The main components of the architecture include: Kubernetes, Apache NiFi, Apache Kafka, Schema Registry, Jenkins, S3 and MongoDB. The platform is essential for realizing the TFS' strategic data stream processing and integration needs.
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IURII IVON, EPAM Solution Architect, Microsoft Competency Center Expert.
The term ‘microservices’ has become so popular that many people see it as a silver bullet for all architectural problems, or at least as a trend that should be followed. If your project is a monolith today, does it make sense to move towards microservices? This presentation overviews painful issues to be considered when migrating from a monolith to microservice architecture, ways to solve them, and ideas on the feasibility of such migration.
e-commerce systems and infrastructure.pdfpetermulei3
This document discusses the role of middleware and infrastructure technologies that support e-commerce systems. It defines middleware as software components and applications that reside between users and backend services. Popular middleware includes access gateways, transaction processing monitors, and network/application services. Middleware plays a vital role in integrating the various tiers of an e-commerce system and managing tasks like transaction processing, security, and workload balancing. The document discusses two major middleware frameworks - Common Object Request Broker Architecture (CORBA) from the Object Management Group and Microsoft's Component Object Model (COM).
This document provides an overview of a syllabus on Service Oriented Architecture (SOA). It discusses key topics that will be covered, including SOA characteristics, principles of service orientation, web services, SOA analysis, design, platforms, standards, composition, and security. Prerequisites include basic knowledge of object orientation, web technologies, Java programming, and software paradigms. The content will also cover current trends, software paradigms, application architecture, web-based systems, and component-based systems.
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Hugtakið hugbúnaðararkítektúr er yfirhlaðið orð og þýðir mismunandi hluti fyrir mismunandi fólk. Við ætlum í þessum fyrirlestri að skilgreina ýmis hugtök tengd arkítektúr til að fá betri skilning á þessu. Við munum einnig skilgreina hvað agile arkítektúr þýðir eða hvað það þýðir ekki. Þá skoðum við monolith arkítektúr sem er hinn hefðbundi arkítektúr sem flestir nota í dag. Vandinn er sá að í dag eru kröfurnar meiri en þessi arkítektúr ræður við og því hafa menn verið að skoða aðrar leiðir eins og lightweight Service Oriented Architecture og hvernig smíða má hugbúnað sem þjónustur eða microapps eða microservice.
Við skoðum einnig lagskiptingu en það er elsta trikkið í bókinni og byggir á deila og drottna aðferðinni.
This presentation explains the three layer API design which organisations can use to get most out of there systems with less development and maintenance time spent on fixing issues as a whole in org.
Microsoft Dynamics Ax 2012 extended architectureJohnkrish S
This document provides an overview of Microsoft Dynamics AX 2012 (MSD Ax), an enterprise resource planning (ERP) software. It describes key features such as being multi-currency, multi-language, and fully integrated across functional areas like sales, manufacturing, and resource planning. The document also outlines the three-tier architecture with a database, application server, and client applications. It explains the different client applications and components that make up the MSD Ax system, including the Ax MorphX development environment, SQL databases, reporting services, and the Application Object Server.
The document discusses cloud computing service and deployment models. It describes the three main service models: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). It also outlines the four primary deployment models: public cloud, private cloud, community cloud, and hybrid cloud. For each service and deployment model, the document provides examples and discusses the enabling techniques, typical system architectures, and services provided.
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- J2EE aims to reduce server downtime, increase scalability, provide application stability, security and simplicity.
- It allows "develop once, deploy anywhere" capability and supports n-tier architectures and component-based development.
- J2EE applications are best suited for tasks like providing access to corporate databases, building dynamic web apps, automating communications, and implementing complex business logic.
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Designed to support our industry into the cloud native era, ODA sets the framework required
for CSPs to invest in IT, transforming business agility and operations by creating simpler IT and network solutions that are easier and cheaper to deploy, integrate and upgrade. Enabling growth, profitability and a cutting-edge customer experience.
Embedded systems are application-specific systems that contain both hardware and software tailored for a particular task. Good hardware/software codesign involves representing the system functionality using unified models that can be partitioned between hardware and software implementations. There are various partitioning algorithms that aim to optimize metrics like performance, cost and power consumption by assigning functional objects to either hardware or software components. The choice of modeling language and partitioning approach depends on the application and design constraints.
Similar to 1588487811-chp-11-c-enterprise-application-integration.ppt (20)
Ralph Simpson gave a presentation on the history and operation of the one-time pad cipher. He explained that the one-time pad requires a truly random key as long as the plaintext, and is the only proven unbreakable cipher. However, vulnerabilities arise if the pad is reused or not truly random, as was exploited by American codebreakers against Russian spies. The presentation covered inventors Vernam and Mauborgne, various one-time pad encryption machines, and how pad distribution posed logistical challenges.
The document provides an overview of different types of classical ciphers including steganography, Caesar cipher, substitution cipher, transposition cipher, Vigenere cipher, and Vernam cipher. It gives examples and explanations of each cipher type, including plain text to cipher text conversions for the Caesar, substitution, transposition, and Vigenere ciphers. The document also analyzes some of the characteristics and strengths or weaknesses of each cipher type.
1. The document discusses balancing theory and practice in cryptography. It provides examples where theoretical proposals needed engineering modifications to be practical, and where engineering proposals were strengthened by incorporating theoretical analysis and proofs.
2. One example is the development of HMAC, where the theoretical NMAC construction was modified with HMAC to meet engineering needs while maintaining security proofs. Another is randomized hashing techniques, which provide insurance against hash function weaknesses while respecting existing signature schemes.
3. The document advocates an approach of iterative collaboration between theorists and engineers to arrive at solutions that are both secure by design and practical to deploy. Proofs help justify design choices and eliminate unnecessary margins, while respecting real-world requirements helps ensure adoption.
Hash functions are mathematical functions that compress an input of arbitrary length into a fixed-length output called a hash value. They have several key properties including:
- Fixed length output regardless of input size
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Common applications of hash functions include password storage by storing hashed passwords rather than plaintext, and data integrity checks by comparing hashed files to detect unauthorized changes. Popular hash functions are MD5, SHA-1/2, RIPEMD, and Whirlpool.
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ch02-Database System Concepts and Architecture.pptKalsoomTahir2
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- Benefits of SOA like agility, efficiency, and cost reduction.
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Lecture 19 - Dynamic Web - JAVA - Part 1.pptKalsoomTahir2
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3. Enterprise Application Integration (EAI)
• Provides the means to share data between different
applications without writing custom interfaces.
• Example:
– Consider a company that wants to do build an eCommerce
portal.
– Has a number of legacy applications (or even an ERP solution in
place)
– Need build the web-based eCommerce infrastructure and link
with systems that do functions like process orders, manage
inventory, ship products
– The company decides to use a major courier service for
delivery of products ordered from the web site.
– The company wants an ODS for analysis of transactions taking
place on the site
4. Example
One solution – custom Interfaces Issues?
eCom
Site
Courier
Shipping
Inventory
Order
System
ODS
6. Advantages of EAI
• Cost effectiveness
• Time to market
• Scalability
• Ability to deal with complex environments
7. EAI Components
• Business Rule Component: to allow the
applications to understand your business
processes.
• Business Logic Modules (i.e. supply planning,
sales order processing. Methods for business
process management.)
• Transformation tools (to define how to map
data from one system to another)
8. EAI Components …. Cont…
• Data Acquisition Component: to allow access to the
Data Source and Target Interfaces (i.e. Siebel, SAP,
PeopleSoft, ODBC, Oracle, CICS, IMS) - note that the
data acquisition component is crucial to EAI success.
Most vendors refer to these interfaces as "adapters“
• Adapters understand the data structures associated
with applications and the means by which to access
the data. (SAP/ABAP). map heterogenous data
formats, interfaces and protocols into a common
model and format. Hide heterogeneity and present
uniform view of layers below.
9. EAI Components …… Cont….
• System Development Component: to allow
programmers to design and test custom
requirements - Design tools (for business
process design, debugging, and testing)
10. EAI - Components
• System Control Component: Should have
the following features:
– Management tools (for application-specific
monitoring)
– Directory tools (for locating other applications
on different platforms), particularly support for
the Lightweight Directory Access Protocol (LDAP)
– Commitment control management mechanisms
(for control of business-level logical units of
work)
– Strong support for metadata management
11. EAI - Components
– Message Brokers (to control transactions, control
security, and perform event notification. The
product should also include the capability to
"bridge" messages between different messaging
systems (facilitates the interaction among adapters)
– Scalability for high-volume transaction throughput.
It is almost impossible to know at implementation
time what the data volumes will be in the future –
therefore, EAI must be scalable.
– Support for varying levels of fault tolerance, load
balancing, and failover for mission-critical systems.
Workflow enablement is a key requirement to
reduce latency between distributed processes.
16. Difference
sender receiver
message broker core
In basic MOM it is the sender
who specifies the identity of
the receivers.
With message brokers,
custom message routing
logic can be defined at the
messae broker level or at
the queue level.
18. What is EA?
• Its not technical!
• Aligning IT to business.
• Answering all of the enterprise needs
• Transverse view.
• knowing and managing the current situation, paving
the road for the wanted one.
• Implementation of information management
• Enforce homogeneous solutions and enable “One
system” to the users.
19. Architectures
• 1 layer architecture
– monolithic Information Systems
– presentation, application logic, and resource management
were merged into a single tier
• 2 layer architecture
– separation of presentation layer from other 2 layers (app +
resource)
– became popular as 'server/client' systems
• 3 layer architecture
– can be achieved by separating RM (resource management)
from application logic layer
20. Multi-tier Architectures
• Where to put the business-logic?
– Client tier -> NO!
• Fat clients
• Reimplementing it for each different type of client
• Redistributing clients after each software update
– Data tier -> NO!
• Vendor and technology dependence grows
• Different applications have different needs for the same
data
• Performance issues in resource usage
21. Multi-tier Architectures
• Where to put the business-logic?
– Middle tier -> YES!
• Business logic has its own tier
Web browsers
HTML, Java
GUI clients
C++, VB, Java
Client tier
user interfaces
Web
Server
Middleware
Server
Middle tier
business logic
Data tier
data sources
Databases
Legacy Systems
22. Middleware I
• Allows communication
– through a standard language
– across different platforms
– between legacy and moderm applications
• Takes care of
– transactions between servers
– data conversion
– authentication
– communications between computers
23. Middleware II
• Provides runtime environment for
components in the middle-tier
– Component lifecyle and management
– Transaction, event and security services
– Provides connections to databases, mainframes
and legacy systems
• Seperates client-tier from the data source
– Clean seperation of user-interfaces and
presentation logic from the data source
24. Middleware III
• Main use today: Legacy wrapping for thin
client architectures
User interfaces
Business logic
Data sources
Client-tier (GUI applications, browsers)
Middle-tier (CORBA/EJB/COM server)
Data-tier (databases, mainframes)
25. Importance of EAI
• A step forward in the evolution of middleware
• Integrates applications and enterprise data
sources so that they can easily share business
processes and data.
• Integration is done without significant
changes of applications and data sources.
28. 28/31
Example: a simple supply chain
purchase
order
deliver goods
write invoice
order atricle
check
availability
document
customer-contact
not
available available
Ordering System
Warehouse
Controlsystem
CRM System
ERP System
Manufacturing
System
Financial System
Business Process
Management
29. EAI benefits:
• Lower development costs
– Integration is simpler because systems are more loosely
coupled than in object brokers
• Lower opportunity costs
– Integration is done more quickly
– corresponding cost savings reachieved sooner
• Lower maintenance effort
– adapters extract the interaction with external systems
– significant advantage from the software engineering point
of view
30. Conclusion
• Enterprises integrate their applications
– less expensive than replacement
– more efficient than „information islands“
• Enterprises must establish web-presence and
make business services available to web-
clients
32. Content
• Overview
• The parts of a WfMS
• WfMS requirements
• WfMS and other Middleware
• WfM and the Web
33. Why WfMS
• Originally for office automation
• Automate administrative processes among
human participants and applications
• Facilitate definition and maintenance of
integration logic
• Processes can be interpreted and modified by
business people
34. What is a WfMS
• Software platform to
– Design
– Develope
– Execute
– Analyse
workflow processes
• integrate different Services, Applications and
human participants
35. The parts of a WfMS
• Workflow definition
– Workflow definition Languages
• Workflow engine
• Design interface
• Monitoring tools and reporting capabilities
• User Interface
• Workflow Architecture
36. The parts of a WfMS
Workflow definition
Workflow
engine
Workflow
Instance
User Interface /
Application
Monitoring
Resource
repository
37. The Workflow definition
• Formal description of a business logic
• Specified by a directed graph
• Defines order of execution of process nodes
– Work node
– Routing node
– Start and completion nodes
• Once designed, definitions can be “applied” to
the process engine
38. 38/31
The Workflow engine
• Retrieve Wf definition
• Determine nodes to be executed
– routing node
– work node
• Place work into the work queue
– resource accomplishes work
• OR invoke method of resource API
• monitor inbound queue for completion messages
• determine next node to be executed
Wait until
Work is
completed
Determine
nodes out of
WF definition
Place work
Into work
queue
40. Monitoring Tools
• track and monitor individual work requests
• review resource productivity and work volume
analysis
• quickly search for and identify a work request
• provide feedback on performance issues
• Get information about bottlenecks in the process
• Analysis to implement changes to the workflow
process
41. User Interface
• Separate work list management from
workflow management
• access and action work requests
• individuals have a single work list
• requests from different workflows
42. Workflow Architectures
• Highly centralized Architecture
• Tasmanager parts of Scheduler
• Async. centralized Architecture
• Tasmanager no longer part of
Scheduler
• Calling Program not blocked
• No immediate action of called
Program
44. WfMS and other Middleware
• Act in many ways as EAI tools
• emphasis on programming in the large
• Focus on workflow that manages integration
• Combine WfMS and EAI into a single system
46. WfM and the Web
• Services have to be described
• Protocols to communicate with the Service
– SOAP
• Formats and protocols for invoking the Service
– WSDL
• Must be easy to find
• Search Services by creteria
– UDDI
47. Web Service Integration
• Outsource Services
• Search for business partners
• Establish partnership
• Enable Service communication
• Exchange of messages
• Services may not be invoked in right order
• New requirements: Get list of Services that fullfill
them
• Compose new Web Service - Publish Service
• Internal details hidden from User
48. 48/31
Advantages of WfMS
• Rapid process design and maintainance
• Failure and exception handling
• Catering for performance and high availability
• Workflow design with graphical interface
49. Disadvantages of WfMS
• Expensive software licenses
• Complex installation and operation
• Heavy-weight platforms
Editor's Notes
1
An adapter is a software t
ABAP stands for Advanced Business Application Programming. It is a programming language developed by SAP. SAP is a German company that develops ERP (Enterprise Resource Planning System) systemshat an application server or an application client uses to connect to a specific Enterprise Information System (EIS).
Heterogeneous computing refers to systems that use more than one kind of processor or cores. These systems gain performance or energy efficiency not just by adding the same type of processors, but by adding dissimilar coprocessors, usually incorporating specialized processing capabilities to handle particular tasks.
Business process design (BPD) is the act of creating a new process or workflow from scratch. It's different from business process redesign, which as the name implies, means t
business process modeling in business process management and systems engineering is the activity of representing processes of an enterprise, so that the current process may be analyzed, improved, and automated.aking an already existing process and improving it. But before we dive into that, talk processes.
Lightweight Directory Access Protocol (LDAP) is a client/server protocol used to access and manage directory information. It reads and edits directories over IP networks and runs directly over TCP/IP using simple string formats for data transfer
Metadata management is the administration of data that describes other data. It involves establishing policies and processes that ensure information can be integrated, accessed, shared, linked, analyzed and maintained to best effect across the organization.
Failover is a backup operational mode in which the functions of a system component (such as a processor, server, network, or database, for example) are assumed by secondary system components when the primary component becomes unavailable through either failure or scheduled down time.
mission critical system is a system that is essential to the survival of a business or organization. When a mission critical system fails or is interrupted, business operations are significantly impacted. A mission-critical system is also known as mission essential equipment and mission critical application.
Message-oriented middleware is software or hardware infrastructure supporting sending and receiving messages between distributed systems.
The Message Dispatcher EIP consumes messages from a single channel and distributes them among performers. It allows multiple consumers on a single channel to coordinate their message processing.
A purchase order (PO) is a commercial document and first official offer issued by a buyer to a seller indicating types, quantities, and agreed prices for products or services. It is used to control the purchasing of products and services from external suppliers.
A message broker is an architectural pattern for message validation, transformation, and routing. It mediates communication among applications, minimizing the mutual awareness that applications should have of each other in order to be able to exchange messages, effectively implementing decoupling.
Message oriented middleware .
A message broker is an architectural pattern for message validation, transformation, and routing. It mediates communication among applications, minimizing the mutual awareness that applications should have of each other in order to be able to exchange messages, effectively implementing decoupling.
The transverse plane or axial plane (also called the horizontal plane or transaxial plane) is an imaginary plane that divides the body into superior and inferior parts. It is perpendicular to the coronal plane and sagittal plane.
In software engineering, a monolithic application describes a single-tiered software application in which the user interface and data access code are combined into a single program from a single platform.
A monolithic application is self-contained, and independent from other computing applications. The design philosophy is that the application is responsible not just for a particular task, but can perform every step needed to complete a particular function.
Application Logic is mostly workflow logic. It is the application specific coordination of domain and infrastructure components according to the requirements of that particular application.
Business logic is the custom rules or algorithms that handle the exchange of information between a database and user interface. Business logic is essentially the part of a computer program that contains the information (in the form of business rules) that defines or constrains how a business operates.
A fat client (also called heavy, rich or thick client) is a computer (clients), in client–server architecture or networks, that typically provides rich functionality independent of the central server.
Middleware is computer software that provides services to software applications beyond those available from the operating system. It can be described as "software glue".
A COM server is any object that provides services to clients; these services are in the form of COM interface implementations that can be called by any client that is able to get a pointer to one of the interfaces on the server object. There are two main types of servers, in-process and out-of-process.
Common Object Request Broker Architecture
CORBA is essentially a design specification for an Object Request Broker (ORB), where an ORB provides the mechanism required for distributed objects to communicate with one another, whether locally or on remote devices, written in different languages, or at different locations on a network.
EJB is a server-side software component that encapsulates business logic of an application. An EJB web container provides a runtime environment for web related software components, including computer security, Java servlet lifecycle management, transaction processing, and other web services
information island. information island - A body of information (i.e. electronic files) that needs to be shared but has no network connection.
Office automation refers to the varied computer machinery and software used to digitally create, collect, store, manipulate, and relay office information needed for accomplishing basic tasks.
A workflow consists of an orchestrated and repeatable pattern of activity, enabled by the systematic organization of resources into processes that transform materials, provide services, or process information.
A workflow engine facilitates the flow of information, tasks, and events.
In the Workflow architecture, business processes are at the middle level and they define the steps to be performed as part of the Workflow. ... Events are also used to call subsequent tasks in the workflow. All the tasks defined under the Workflow will be executed in the mentioned order as per the Workflow definition.
bottleneck, in a communications context, is a point in the enterprise where the flow of data is impaired or stopped entirely. Effectively, there isn't enough data handling capacity to handle the current volume of traffic.
) developed to a high degree of complexity.
"highly sophisticated computer systems"
SOAP Simple Object Access Protocolis a messaging protocol specification for exchanging structured information in the implementation of web services in computer networks. Its purpose is to provide extensibility, neutrality, verbosity and independence.
WSDL web Services Description Language is often used in combination with SOAP and XML Schema to provide web services over the Internet. A client program connecting to a web service can read the WSDL to determine what functions are available on the server. Any special datatypes used are embedded in the WSDL file in the form of XML Schema.
UDDI is an XML-based standard for describing, publishing, and finding web services. UDDI stands for Universal Description, Discovery, and Integration. UDDI is a specification for a distributed registry of web services. UDDI is a platform-independent, open framework.
Outsourcing is a business practice in which a company hires another company or an individual to perform tasks, handle operations or provide services that are either usually executed or had previously been done by the company's own employees. ... They frequently outsource customer service and call service functions.