Method and apparatus for performing routing operations in a communications network
First Claim
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1. A method for upgrading a communications network having a plurality of NEs which are not equipped with a routing function, comprising:
- a) providing in the communications network a server;
b) implementing on the server a single instance of a routing function for controlling routing functions for said plurality of NEs such that said plurality of NEs can perform routing functions without upgrading the NEs to include routing functions themselves.
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Abstract
A server for use in a communications network implementing a routing function that serves multiple client NEs. The server interacts with a database storing true topology information corresponding to the client NEs. The routing function uses the true topology information in performing routing operations on behalf of the client NEs.
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Citations
14 Claims
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1. A method for upgrading a communications network having a plurality of NEs which are not equipped with a routing function, comprising:
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a) providing in the communications network a server; b) implementing on the server a single instance of a routing function for controlling routing functions for said plurality of NEs such that said plurality of NEs can perform routing functions without upgrading the NEs to include routing functions themselves. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for providing a control plane to a communications network that does not have a control plane, said method comprising:
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a) providing a server in the communications network that can exchange control messages with a plurality of NEs of the communications network, the NEs being part of a bearer plane of the communications network not previously controlled by a control plane; b) implementing on the server a routing function providing routing resources to the plurality of NEs without requiring the addition of a routing function to the NEs. - View Dependent Claims (14)
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Specification