Method and apparatus for a network element to track the availability of other network elements
First Claim
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1. A method for determining availability of a network element in a communication network, comprising:
- sending at least one options message to a target network element;
waiting a predefined period of time for a response from said target network element; and
determining availability of said target network element in accordance with whether said response from said target network element is received.
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Abstract
A method and apparatus for enabling a network element to use network resources efficiently by tracking the availability of other network elements are disclosed. In one embodiment, the present method utilizes one or more SIP method OPTIONS messages to determine the availability of a target network element.
36 Citations
20 Claims
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1. A method for determining availability of a network element in a communication network, comprising:
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sending at least one options message to a target network element;
waiting a predefined period of time for a response from said target network element; and
determining availability of said target network element in accordance with whether said response from said target network element is received. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A computer-readable medium having stored thereon a plurality of instructions, the plurality of instructions including instructions which, when executed by a processor, cause the processor to perform the steps of a method for determining availability of a network element in a communication network, comprising:
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sending at least one options message to a target network element;
waiting a predefined period of time for a response from said target network element; and
determining availability of said target network element in accordance with whether said response from said target network element is received. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. An apparatus for determining availability of a network element in a communication network, comprising:
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means for sending at least one options message to a target network element;
means for waiting a predefined period of time for a response from said target network element; and
means for determining availability of said target network element in accordance with whether said response from said target network element is received.
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Specification