Patent ID: 7693999
Filing Date: 2010-04-06
Classification: H04L

Abstract:
1. A method for session re-establishment in a client terminal for providing a messenger service between a server and the client terminal, comprising: storing, in a memory of the client terminal, previous session information and a synckey related to the previous session information in the memory, when an access to the server is terminated; receiving, via an input device of the client terminal, a request for session re-establishment of the messenger service from a user; generating, by the client terminal, a session re-establishment request message including the synckey stored in the memory; sending, by the client terminal, the session re-establishment request message to the server; and receiving, by the client terminal, a reply according to the session re-establishment request from the server, wherein the reply includes updated data that is newly received or changed in the server during a disconnection between the server and the client terminal.