SOAP IS:
Lightweight communication protocol
For communication between applicationsone-way, request/response, multicast, etc..
Designed to communicate via HTTP
Not tied to any component technology
Not tied to any programming language
Based on XML
Simple and extensible
SOAP is a simple and flexible messaging framework for transferring information specified in the form of an XML infoset between an initial SOAP sender and ultimate SOAP receiver.
The Windows Communication Foundation (WCF) framework is being used in almost all .NET development platforms: Windows clients, ASP.NET applications, Windows Phone, Server side applications, and in Windows Azure; but have you ever wondered how WCF works? How you can extend it to your organization’s needs? How to monitor its work? How to tune it for better performance and scalability? WCF is the second largest assembly in the .NET Framework and as complex to understand.
In this 1-day workshop we will deep dive into WCF, learn how to monitor WCF services and how to troubleshoot them, how to tweak our services for better performance, how to secure them with transport and message security and discuss the pros and cons of each technique, and how to extend the WCF service pipeline to accommodate our needs.
ASP.NET Web API is the de facto framework for building HTTP-based services in the .NET ecosystem. With its WCF and MVC lineage, Web API brings to the table better architecture, easier configuration, increased testability, and as always, it's customizable from top to bottom. But to properly use Web API it is not enough to get familiar with its architecture and API, you also need to really understand what HTTP is all about. HTTP is the most common application layer protocol in the world, and yet, not many web developers are familiar with HTTP concepts such as of chunking, caching, and persisted connections. In this full-day tutorial, we will focus on designing and implementing HTTP-based services with ASP.NET Web API, and you will learn how to better use it to implement the features provided by HTTP.
Web API or WCF - An Architectural ComparisonAdnan Masood
ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. The new ASP.NET Web API is a continuation of the previous WCF Web API projection. WCF was originally created to enable SOAP-based services and other related bindings. However, for simpler RESTful or RPCish services (think clients like jQuery) ASP.NET Web API is a good choice.
In this meeting we discussed what do you need to understand as an architect to implement your service oriented architecture using WCF or ASP.NET web API. With code samples, we will elaborate on WCF Web API’s transition to ASP.NET Web API and respective constructs such as Service vs. Web API controller, Operation vs. Action, URI templates vs ASP.NET Routing, Message handlers, Formatters and Operation handlers vs Filters, model binders. WebApi offers support for modern HTTP programming model with full support for ASP.NET Routing, content negotiation and custom formatters, model binding and validation, filters, query composition, is easy to unit test and offers improved Inversion of Control (IoC) via DependencyResolver.
You will walk away with a sample set of services that run on Silverlight, Windows Forms, WPF, Windows Phone and ASP.NET.
SOAP is a simple and flexible messaging framework for transferring information specified in the form of an XML infoset between an initial SOAP sender and ultimate SOAP receiver.
The Windows Communication Foundation (WCF) framework is being used in almost all .NET development platforms: Windows clients, ASP.NET applications, Windows Phone, Server side applications, and in Windows Azure; but have you ever wondered how WCF works? How you can extend it to your organization’s needs? How to monitor its work? How to tune it for better performance and scalability? WCF is the second largest assembly in the .NET Framework and as complex to understand.
In this 1-day workshop we will deep dive into WCF, learn how to monitor WCF services and how to troubleshoot them, how to tweak our services for better performance, how to secure them with transport and message security and discuss the pros and cons of each technique, and how to extend the WCF service pipeline to accommodate our needs.
ASP.NET Web API is the de facto framework for building HTTP-based services in the .NET ecosystem. With its WCF and MVC lineage, Web API brings to the table better architecture, easier configuration, increased testability, and as always, it's customizable from top to bottom. But to properly use Web API it is not enough to get familiar with its architecture and API, you also need to really understand what HTTP is all about. HTTP is the most common application layer protocol in the world, and yet, not many web developers are familiar with HTTP concepts such as of chunking, caching, and persisted connections. In this full-day tutorial, we will focus on designing and implementing HTTP-based services with ASP.NET Web API, and you will learn how to better use it to implement the features provided by HTTP.
Web API or WCF - An Architectural ComparisonAdnan Masood
ASP.NET Web API is a framework that makes it easy to build HTTP services that reach a broad range of clients, including browsers and mobile devices. The new ASP.NET Web API is a continuation of the previous WCF Web API projection. WCF was originally created to enable SOAP-based services and other related bindings. However, for simpler RESTful or RPCish services (think clients like jQuery) ASP.NET Web API is a good choice.
In this meeting we discussed what do you need to understand as an architect to implement your service oriented architecture using WCF or ASP.NET web API. With code samples, we will elaborate on WCF Web API’s transition to ASP.NET Web API and respective constructs such as Service vs. Web API controller, Operation vs. Action, URI templates vs ASP.NET Routing, Message handlers, Formatters and Operation handlers vs Filters, model binders. WebApi offers support for modern HTTP programming model with full support for ASP.NET Routing, content negotiation and custom formatters, model binding and validation, filters, query composition, is easy to unit test and offers improved Inversion of Control (IoC) via DependencyResolver.
You will walk away with a sample set of services that run on Silverlight, Windows Forms, WPF, Windows Phone and ASP.NET.
It will describes SOAP/REST differences and SOAP web services in detail with practical approach. it shows usage of SOAP, XML, JAVA, WSDL, XSD and RPC with examples.
Enjoying the Move from WCF to the Web APIKevin Hazzard
A more advanced talk for those developers thinking of making the move from ASMX or WCF-based services to the ASP.NET Web API. RESTful services have their place in the middle tiers and this talk addresses how to make the mental shift toward REST. There's a lot of focus on how to ease the transition from such a complex framework as WCF to something as simplistic as the Web API.
Web services soap and rest by mandakini for TechGigMandakini Kumari
WS serves as an interface to software developers.
Using WS as an API you can convert applications into web-applications.
WS is the vision of ‘Future Internet’
The basic Web services platform is XML + HTTP.
WS is future for Mobile application
This presentation is about WCF and ASP.NET web services. The WCF architecture is introduced in detail and then the differences between WCF services and ASP.NET web services have been discussed.
Web Server Technologies I: HTTP & Getting StartedPort80 Software
Introduction to HTTP: TCP/IP and application layer protocols, URLs, resources and MIME Types, HTTP request/response cycle and proxies. Setup and deployment: Planning Web server & site deployments, Site structure and basic server configuration, Managing users and hosts.
It will describes SOAP/REST differences and SOAP web services in detail with practical approach. it shows usage of SOAP, XML, JAVA, WSDL, XSD and RPC with examples.
Enjoying the Move from WCF to the Web APIKevin Hazzard
A more advanced talk for those developers thinking of making the move from ASMX or WCF-based services to the ASP.NET Web API. RESTful services have their place in the middle tiers and this talk addresses how to make the mental shift toward REST. There's a lot of focus on how to ease the transition from such a complex framework as WCF to something as simplistic as the Web API.
Web services soap and rest by mandakini for TechGigMandakini Kumari
WS serves as an interface to software developers.
Using WS as an API you can convert applications into web-applications.
WS is the vision of ‘Future Internet’
The basic Web services platform is XML + HTTP.
WS is future for Mobile application
This presentation is about WCF and ASP.NET web services. The WCF architecture is introduced in detail and then the differences between WCF services and ASP.NET web services have been discussed.
Web Server Technologies I: HTTP & Getting StartedPort80 Software
Introduction to HTTP: TCP/IP and application layer protocols, URLs, resources and MIME Types, HTTP request/response cycle and proxies. Setup and deployment: Planning Web server & site deployments, Site structure and basic server configuration, Managing users and hosts.
The slides provide a major overview on SOAP protocol, and demonstrates a working example that uses SOAP for RPC. It uses WCF/visual studio and Apache Axis for the implementation.
Overview of web services, SOAP, WSDL and UDDI.
A web service provides a defined set of functionality on a machine-processable interface.
The web service interface is described in a formal language like WSDL that allows creating code to access the service thus simplifying web service consumer (client) and provider (server) development.
In big web services, the interface is typically described in WSDL while the access to the service makes use of the SOAP message protocol.
SOAP has its roots in remote object access but is now a general message based and asynchronous transport mechanism.
SOAP is typically carried in HTTP (HyperText Transmission Protocol), but other message based protocols like SMTP (Email) or plain TCP could be used as well.
WSDL provides a formalized description of an interface that is coarsely separated in an abstract service interface definition containing operations and data types, a transport binding that describes how the web service is accessed and finally a description of the location (address) under which a web service is accessible.
UDDI (Universal Description and Discovery Protocol) was meant to become the standard protocol for some kind of a public yellow pages where publicly accessible web services would be listed. Lack of industry interest, however, prevented UDDI to gain widespread use.
SQL injection is a type of security exploit in which the attacker adds SQL statements through a web application's input fields or hidden parameters to gain access to resources or make changes to data.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
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Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
2. 2
Where did it come from?
• Microsoft, UserLand, DevelopMentor, IBM, Ariba,
Commerce One, Compaq, HP, IONA, Lotus, SAP
~ Submitted to W3C May 2000.
• XML based protocol
• Intended to be a simple wire-protocol for exchange of
info. Largest use may be over Internet HTTP.
3. 3
Motivation
• Many Distributed applications communicate using remote
procedure calls (RPC) between distributed objects like
DCOM and CORBA.
• HTTP isn’t designed for those objects, so RPC calls aren’t
easily adapted to the Internet.
• Security problems exist for those methods of RPC, so
most firewalls and proxy servers are set to block this
traffic.
• HTTP is supported by all Internet browsers and servers,
so SOAP presents a nice protocol for doing RPC.
4. 4
What is SOAP?
SOAP IS:
• Lightweight communication protocol
• For communication between applications
one-way, request/response, multicast, etc..
• Designed to communicate via HTTP
• Not tied to any component technology
• Not tied to any programming language
• Based on XML
• Simple and extensible
5. 5
Basic Structure of Soap
• Envelope
Defines the content of the message
• Header (optional)
contains header information
• Body
contains call and response information
6. 6
SOAP Contains Four Parts:
• An extensible envelope expressing (mandatory)
• what features and services are represented in a message;
• who should deal with them,
• whether they are optional or mandatory.
• A set of encoding rules for data (optional)
• Exchange instances of application-defined data types and directed
graphs
• Uniform model for serializing abstract data models that can not
directly be expressed in XML schema
• A Convention for representation RPC (optional)
• How to make calls and responses
• A protocol binding to HTTP and HTTP-EF (optional)
8. 8
SOAP Example in SIP
SOAP Envelope
SIP Request
SOAP-SIP Binding
SOAP Body
SERVICE sip:broker.ubiquity.net SIP/2.0
To: sip:broker.ubiquity.net
From: sip:proxy.ubiquity.net
Call-ID:648324@193.195.52.30
CSeq: 1 SERVICE
Via: SIP/2.0/UDP proxy.ubiquity.net
Content-Type: text/xml
Content-Length: 381
<SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope”
SOAP:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<SOAP:Body>
<m:SetCreditStatus xmlns:m="http://www.ubiquity.net/sipservices">
<m:user>sip:jo@ubiquity.net</m:user>
<m:status>super</m:status>
</m:SetCreditStatus>
</SOAP:Body>
</SOAP:Envelope>
9. 9
… or SOAP by Itself…
<SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope”
SOAP:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<SOAP:Header>
<m:MessageInfo xmlns:m="http://www.info.org/soap/message">
<m:to href="mailto:you@your.com"/>
<m:from href="mailto:me@my.com"/>
<m:contact href="mailto:someone@my.com">
</m:MessageInfo>
</SOAP:Header>
<SOAP:Body>
<msg:Message xmlns:m="http://www.info.org/soap/message">
<msg:subject>Your house is on fire!</msg:subject>
<msg:feed href="ram://livenews.com/yourhouse"/>
</msg:Message>
</SOAP:Body>
</SOAP:Envelope>
10. 10
Note Again: SOAP is a Protocol!
• What does this mean?
• It is not a distributed object system
• It is not an RPC system
• It is not even a Web application
• Your application decides what your application is!
• You can build a tightly coupled system
…or…
• You can build a loosely coupled system
11. 11
Why Not Roll My Own XML Protocol?
• SOAP allows you to define your particular feature or
service in such a way that it can co-exist with other
features and services within a SOAP message
• What is a feature or a service?
• Authentication service
• Payment service
• Security service
• Transaction management service
• Privacy service
• Not owning the message means easier deployment and
better interoperability
12. 12
Syntax Rules
• MUST be encoded using XML
• MUST have a SOAP Envelope
• CAN have a SOAP header
• MUST have a SOAP Body
• MUST use the SOAP Envelope namespace
• MUST use the SOAP Encoding namespace
• Must NOT contain a DTD reference
• Must NOT contain XML Processing
13. 13
SOAP Fault Element
• Error messages from a SOAP application are carried inside a Fault element.
• Must appear as an element w/in the <Body> element and can only appear once in a SOAP
message.
• Fault sub elements:
<faultcode> MUST: --code identifying the error, for use by the software
<faultstring> MUST: --error as a string
<faultactor> MUST(Apps not acting as ultimate destination of SOAP message)
--who caused the error
<detail> MUST(if contents of Body could not be successfully processed)
--specific error information
• Fault Codes:
VersionMismatch Invalid namespace for the SOAP Envelope Element
MustUnderstand A child element of the Header element, with the mustUnderstand attribute
set to “1”, was not understood
Client The message was incorrectly formed or contained incorrect information.
Server There was a problem with the server so the message could not be process
• Example: <env:Fault>
<faultcode>env:MustUnderstand</faultcode>
<faultstring>SOAP Must Understand Error</faultstring>
</env:Fault>
14. 14
CORBA vs. SOAP
CORBA
(Common Object Request Broker
Architecture)
SOAP
(Simple Object Access Protocol)
CORBA provides a true object-oriented
component architecture.
Web services like (UDDI/WSDL/SOAP)
are not providing true object-oriented
component architecture.
Fast Compared to SOAP Because of the verbose XML format,
SOAP can be considerably slower than
CORBA
Can be difficult to use if server and/or
client is behind a firewall or if network
address translation is being used
HTTP works well with network
firewalls
Problems with implementations It is XML based implementation
compare to
CORBA,SOAP Implementation is easy.
It uses IIOP (Internet Inter ORB
Protocol)
Simple XML-based protocol to let
applications exchange information
over HTTP
15. 15
Advantages of SOAP are:
• Portability
• Firewall friendliness
• Use of open standards
• Interoperability
• Universal acceptance.
Language neutrality:
SOAP can be developed using any language.
• Interoperability and Platform Independence:
SOAP can be implemented in any language and can be
executed in any platform.
SOAP messages are in very simple XML format.
• Scalability:
SOAP uses HTTP protocol for transport due to which it
becomes scalable.
16. 16
Disadvantages of SOAP
• – Too much reliance on HTTP
• – Statelessness
• – Serialization by value and not by reference
17. 17
Summary
• SOAP envelope provides
• SOAP can be used with many protocols
• Easy to deploy with existing infrastructure
• SOAP is fundamentally a one-way message
• Supports request/response, RPC etc.
• Your application decides what it is!
Editor's Notes
SIP (Session Initiation Protocol) is a text-based signaling protocol used to establish multimedia sessions on the Internet