Patent ID: 7701873
Filing Date: 2010-04-20
Classification: H04L

Abstract:
1. A method, comprising: discovery, by a first device intended to be connected to an IP network, of a state of connection of said first device to said IP network, said IP network comprising at least one compatible second device, the method comprising the following steps, implemented by said first device: switchover to a disconnected state, at startup, and sending a request on said P network asking said at least one compatible second device to reply; in the disconnected state, repeatedly sending of said request on said IP network asking said at least one compatible second device to reply, when no message is received from said at least one compatible device within a first given period of time; from the disconnected state, switchover to a connected state, on receipt by said first device of at least one message from said at least one compatible second device; from the connected state switching to a standby state when no message is received from said at least one compatible second device within a second given period of time; from the standby state, switching to said connected state upon reception of at least one message from said at least one compatible second device within a third given period of time; and from the standby state, switching to said disconnected state when no message is received from said at least one compatible second device within said third given period of time.