November 2003
Intermediate to advanced
476 pages
14h 38m
English
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Introducing the SOAP Specification
SOAP is one of the underlying technologies behind Web Services. I’ll talk more about Web Services in Chapter 10.
The
development of SOAP began in 1998. The World Wide Web Consortium
released a note on SOAP in 2000. .NET explicitly supports section 5
of the SOAP note, which is available on the Web at http://www.w3.org/TR/SOAP/.
What SOAP actually provides is a standard mechanism for packaging data for transmission between interoperating computer systems. While other remote procedure call (RPC) protocols exist, most of them were designed before the era of distributed, object-oriented programming. SOAP’s design goals include several features not normally found in RPC protocols:
- Distributed garbage collection
Distributed garbage collection allows for objects to be removed from memory automatically when all remote references to them go out of scope.
- Message batching
Also known as boxcarring or pipelining, message batching allows several messages to be grouped together for sequential transactional processing.
- Objects-by-reference
In the programming concept of pass-by-reference, an instance of an object is passed to methods in such a way that changes to the instance are visible after the method exits. This concept is pretty much a requirement for distributed programming, when you’re invoking an object located at a remote machine.
- Activation
To instantiate a local object, you use the C#
newoperator. However, to instantiate an object on a remote machine, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.