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Callable Routing Proxy Disclosure Number: IPCOM000023755D
Original Publication Date: 2004-Apr-25
Included in the Prior Art Database: 2004-Apr-25

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With the growing complexity of a communication network gateways are used to interconnect participating subnetworks. Therefor a call from an A-Process (Te-A) to an B-Process (Te-B) must be routed through a gateway, in particular through the correct gateway. Until now the gateway selection is part of the A-Process (Fig. 1). It is proposed to introduce a Routing Proxy (RP) as a new component (Fig. 2). The Routing Proxy is responsible for the gateway selection. The knowledge for searching for a gateway path with all underlying rules is taken away from the calling Process (Te-A). The Te-A component is less complicated due to the call (no matter if it requires a gateway to be used or not) is established like it was a basic call. If the gateway negotiation process needs to be modified it can to be done at a central component (the RP) offering the modifications to all the Te-As at once.