Provides information about the services 
that are available on the network, including 
details of what content is available, what functionality is supported by the service and 
what protocols and standards are used to access the service (i.e. details of the API).
The key functions for a this service are:
- provide machine-readable descriptions of services
 
- allow searching for services by 'keyword', type, protocol, etc.
 
- provide human-readable view of available services
 
Standards and specifications with applicability 
to this area are:
- Universal Description, Discovery, and Integration (UDDI)
 
- Simple Object Access Protocol (SOAP)
 
- Web Services Description Language (WSDL)
 
Related services are: