1.7 Versioning and Capability Negotiation
The PCCR Discovery Protocol is based on the [WS-Discovery] standard and does not define any new mechanisms for the following areas:
Security and authentication methods
This specification defines version 2.0 of the PCCR Discovery Protocol, which preserves the messages from version 1.0 and allows for efficient discovery of multiple segments. Capability negotiation is achieved using standard fields of the Web Services Dynamic Discovery (WS-Discovery) protocol.