Problem: Existing protocols are not XML-oriented
Solution: SOAP
- Originally "Simple Object Access Protocol"
- Now just a
name
- Protocol for message passing
- Based
on XML
- Layered on top of transmission protocols (HTTP, etc.)
- SOAP
1.1 produced by individual companies
- support for extensions: security, reliability, caching, etc.
- SOAP
1.2 is being standardized at W3C
