SSL can cache session information based on the Session ID (SID). SSL connections can request that a previous session be resumed. When session information is found in the cache, connections can use the SSL short handshake, which requires less processing. The number of SIDs cached, the length of time that a SID is held in the cache, and whether the cache is available across the sysplex can be configured using the TTLSGskAdvancedParms statement.