2.1.1 System Capabilities
The overall functionality of the Content Caching and Retrieval protocols includes the following:
HTTP Metadata Retrieval (section 2.1.1.1)
Background Intelligent Transfer Service (BITS) Integration (section 2.1.1.2)
Server Message Block (SMB) 2.1 or 2.2 Metadata Retrieval Integration (section 2.1.1.3)
Peer Content Caching and Retrieval Discovery Protocol (PCCRD) and Web Services Dynamic Discovery (WS-Discovery (section 2.1.1.4))