Patent ID: 6269402
Filing Date: 2001-07-31
Classification: H04L,H04W

Abstract:
A method for providing seamless communication between a server and a client across bearers in a wireless communication system, comprising the steps of:sending from the client to the server a session connect request;receiving at the server the session connect request;generating a session identifier and a compressed session identifier at the server;sending, to the client from the server, the compressed session identifier;commencing to send messages between the server and the client over a first bearer network, each message containing the compressed session identifier and a first envelope identifier;interrupting the commencing;resuming the sending of messages over a second bearer network using a second envelope identifier;creating a session transition control block having a key at both the server and the client to link the first envelope identifier to the second envelope identifier; andreceiving at least one message at either the client or the server after the interrupting, the at least one message having the first envelope identifier, the message matched to the session identifier using the session transition control block.