CONSTRUCTING A TRANSITION ROUTE IN A DATA COMMUNICATION NETWORK
First Claim
1. A method of managing a transition, in a data communications network having as components nodes and links, of a first component, comprising the steps of:
- detecting the first component transition;
issuing a transition notification identifying the first component and recognizable by nodes configured to construct a transition route around the first component; and
upon expiry of a notification transition period, issuing a transition advertisement recognizable by all nodes on a network.
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Abstract
A method is described of constructing a transition route in a data communication network having as components nodes and links. Upon receipt of a transition notification identifying a first component a non-neighboring node constructs a transition route around the first component. In an embodiment, a node performs detecting the first component transition; issuing a transition notification identifying the first component and recognizable by nodes configured to construct a transition route around the first component; and upon expiry of a notification transition period, issuing a transition advertisement recognizable by all nodes on the network.
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Citations
27 Claims
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1. A method of managing a transition, in a data communications network having as components nodes and links, of a first component, comprising the steps of:
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detecting the first component transition;
issuing a transition notification identifying the first component and recognizable by nodes configured to construct a transition route around the first component; and
upon expiry of a notification transition period, issuing a transition advertisement recognizable by all nodes on a network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A computer readable storage medium comprising one or more sequences of instructions for managing a transition, in a data communication network having as components nodes and links, of a first component, which instructions, when executed by one or more processors, cause the one or more processors to perform:
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detecting the first component transition;
issuing a transition notification identifying the first component and recognizable by nodes configured to construct a transition route around the first component; and
upon expiry of a notification transition period, issuing a transition advertisement recognizable by all nodes on a network. - View Dependent Claims (12, 13, 14)
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15. An apparatus for managing a transition, in a data communications network having as components nodes and links, of a first component, comprising:
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means for detecting the first component transition;
means for issuing a transition notification identifying the first component and recognizable by nodes configured to construct a transition route around the first component; and
means for issuing a transition advertisement recognizable by all nodes on a network upon expiry of a notification transition period. - View Dependent Claims (16, 17, 18)
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19. An apparatus for managing a transition, in a data communications network having as components nodes and links, of a first component, the apparatus comprising:
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one or more processors;
a network interface communicatively coupled to the processor and configured to communicate one or more packet flows among the processor and a network; and
a computer readable medium comprising one or more sequences of instructions for managing a transition, in a data communication network having as components nodes and links, of a first component, which instructions, when executed by one or more processors cause the one or more processors to perform;
detecting the first component transition;
issuing a transition notification identifying the first component and recognizable by nodes configured to construct a transition route around the first component; and
upon expiry of a notification transition period, issuing a transition advertisement recognizable by all nodes on a network. - View Dependent Claims (20, 21, 22)
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23. A method of constructing a route in a data communication network comprising the steps of:
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receiving a notification identifying a first component transition, at a non-neighboring node thereof from a neighboring node thereof; and
constructing a tunnel from the non-neighboring node to the neighboring node. - View Dependent Claims (24)
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25. An apparatus for constructing a route in a data communications network comprising means for receiving a notification identifying a first component transition, at a non-neighboring node thereof from a neighboring node thereof;
- and means for constructing a tunnel from the non-neighboring node to the neighboring node.
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26. An apparatus for constructing a route in a data communications network, the apparatus comprising:
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one or more processors;
a network interface communicatively coupled to the processor and configured to communicate one or more packet flows among the processor and a network; and
a computer readable medium comprising one or more sequences of instructions for constructing a route in a data communication network which instructions, when executed by one or more processors cause the one or more processors to perform;
receiving a notification identifying a first component transition, at a non-neighboring node thereof from a neighboring node thereof; and
constructing a tunnel from the non-neighboring node to the neighboring node. - View Dependent Claims (27)
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Specification