Summary

Amendment 1 to Recommendation ITU-T X.603.1 | ISO/IEC 16512-2 describes the security functionalities of an application-level relayed multicast protocol for one-to-many group applications. The protocol provides various security facilities to fulfil general as well as specific security requirements. Some detailed functions that can operate with a variety of standardized security mechanisms are provided. This amendment enforces the existing RMCP protocol security.