...
SSL: Secure Sockets Layer (Wikipedia), precursor to TLS
SUPP: (Vendor Specific) short for supplement, changing a connection before activation
...
- a group of users who share a common access with specific privileges to a software instance on a server (Wikipedia). This terminology is used in OpenStack
TLS: Transport Layer Security (Wikipedia), standardized replacement for Secure Sockets Layer (SSL)
TOSCA: Topology and Orchestration Specification for Cloud Applications (OASIS spec)Anchor TOSCA TOSCA
...