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Advantages and disadvantages of SOAP over Http

40 New Member
Hi!

Can any one explain Advantages and disadvantages of SOAP over Http.
Jan 6 '10 #1
2 22862
Frinavale
9,735 Recognized Expert Moderator Expert
The following is taken directly from the Wikipedia entry for SOAP:

Advantages
  • Using SOAP over HTTP allows for easier communication through proxies and firewalls than previous remote execution technology.
  • SOAP is versatile enough to allow for the use of different transport protocols. The standard stacks use HTTP as a transport protocol, but other protocols are also usable (e.g., SMTP).
  • SOAP is platform independent.
  • SOAP is language independent.

Disadvantages
  • Because of the verbose XML format, SOAP can be considerably slower than competing middleware technologies such as CORBA. This may not be an issue when only small messages are sent.[4] To improve performance for the special case of XML with embedded binary objects, the Message Transmission Optimization Mechanism was introduced.
  • When relying on HTTP as a transport protocol and not using WS-Addressing or an ESB, the roles of the interacting parties are fixed. Only one party (the client) can use the services of the other. Developers must use polling instead of notification in these common cases.
  • Most uses of HTTP as a transport protocol are done in ignorance of how the operation would be modeled in HTTP.[citation needed] This is by design—similar to how different protocols sit on top of each other in the IP stack. But this analogy is imperfect; the application protocols used as transport protocols aren't really transport protocols. As a result, there is no way to know if the method used is appropriate to the operation. This makes good analysis at the application-protocol level problematic with sub-optimal results—for example, a POST operation is used when it would more naturally be modeled as a GET. The REST architecture has become a web service alternative that makes appropriate use of HTTP's defined methods.
  • When relying on HTTP as a transport protocol, a firewall designed to only allow web browsing is forced to perform more detailed (and thus more costly) analysis of the HTTP packages.[clarification needed]
  • Although SOAP is an open standard, not all languages offer appropriate support. Java, Curl, Delphi, PHP, .NET and Flex offer excellent SOAP integration and/or IDE support. Some Perl and Python support exists.
Please take the time to research the problem before you post your question. The experts here are more than willing to help you with a specific problem but you have to do your part to learn the basics and also formulate a specific question we can help with. Please take the time to read over the Posting Guidelines, specifically the section on Before you Post your Question.
Jan 6 '10 #2
gsreenathreddy
40 New Member
@Frinavale
Hi Frinavale!

You are trying to explain about SOAP, I had gone through that document which you had replied before posting my question to the forums. My question is about Advantages and disadvantages of SOAP over Http. Using SOAP over Http the communication is not reliable is one of the disadvantages of SOAP over HTTP, Using SOAP over HTTP allows for easier communication through proxies and firewalls which is an advantage. I what more advantages and disadvantages.
Jan 7 '10 #3

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