Network-based service for recipient-initiated automatic repair of IP multicast sessions

摘要: A system and method provide for recipient-initiated automatic repair of IP multicast sessions. application on a receiver issues request to join an session “X”. translator/decryption module (TDM) the intercepts this sends it controller server. The subscription server determine if user has subscribed service. receives positive response from determines whether repair/encryption exists session. If does not, then selects address, port number decryption key new “Y”. This information is returned TDM. creates (REM) provides address “Y” encryption REM. Then, TDM stores key. REM reads packets “X” checks there are any missing packets. packets, requests one or more retransmit servers obtain encrypts writes them processed by stack receiver, sent (TDM). decrypts these modifies destination values those application. presents message contained in subscriber