Patent ID: 7827275
Filing Date: 2010-11-02
Classification: H04L,Y02D

Abstract:
1. A method for remote access to a device, comprising: establishing a connection between a remote device and a local device on a local network, via a communication link; providing gateway in the local network; providing a proxy server for interfacing between the local device and the gateway; while the gateway in turn connects to the remote device over the communication link; and providing a proxy client in the remote device, the proxy client interfacing between the Control Point and the proxy server over the communication link; the remote device receiving and saving a multicast simple service discovery protocol (SSDP) alive message from the local device indicating an online status of the local device, wherein the local device and the remote device are Universal Plug and Play (UPnP) devices; the proxy server: sending the modified transcoded SSDP alive message to the proxy client over the communication link; and maintaining an online status indication for the local device without sending further messages, until arrival of an SSDP byebye message indicating an offline status of the local device.