Method and router for switching data between a local area network and an external appliance
AssigneeSiemens Aktiengesellschaft
InventorsWerner Lindemann, Norbert Schonfeld
Life of this patent
Estimating the term…
Abstract
A method is provided for switching data between appliances in a packet-oriented local area network and an external appliance connected to the local area network via a router. The appliances in the local area network, including the router, respectively have a network address and an appliance address. The external appliance has an associated network address. An appliance address request relating to the assigned network address is responded to with the appliance address of the router. The router forwards packets containing the assigned network address and the appliance address of the router as destination addresses from the local area network to the external appliance.
Claims17
A method for switching data between appliances in a packet-oriented local area network and a mobile appliance connected to the local area network via a router, with each of the appliances and the router respectively having a network and an appliance address, the method comprising the steps of:
- assigning a fixed network address to the mobile appliance irrespective of the connection between the mobile appliance and the local area network, the connection being one of direct and via the router;
- responding to an appliance address request relating to the assigned network address with the appliance address of the router;
- and
- forwarding packets containing the assigned network address and the appliance address of the router as destination addresses from the local area network to the mobile appliance via the router.
A router for switching data between appliances in a local area network and a mobile appliance connected to the local area network via the router, with each of the appliances and the router respectively having both a network address in the local area network and an appliance address, the router comprising a directory for a network address associated with a mobile appliance, wherein the router responds to an appliance address request relating to the assigned network address with the appliance address of the router, and forwards packets containing the assigned network address and the appliance address of the router as destination addresses from the local area network to the mobile appliance.
Dependencies are inferred from the claim text.