Exchange structure and a method of connection configuration between the optical networks
First Claim
1. A method for configuring interconnection between optical networks including a first network and a second network each including a plurality of nodes, a first node of the first network being connected with a third node of the second network and a second node of the first network being connected with a fourth node of the second network, said method comprising the steps of:
- (a) setting-up a first path between one of the first node and the second node and another node in the first network; and
(b) via the first path and at least one of the link between the first node and the third node and the link between the second node and the fourth node, setting up the path between said another node in the first network and another node in the second network, wherein at least one of said first network and said second network is a mesh network.
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Abstract
The invention discloses an interconnection structure and a method for configuring path between the optical networks. The optical network includes a first network and a second network, the first network and the second network each has a number of nodes, a first node of the first network connects with a third node of the second network, a second node of the first network connects with a fourth node of the second network. The method comprises the steps of: setting-up a first path between one of the first node and the second node and another node of the first network; and at least by one link of the link between the first node and the third node and that between the second node and the fourth node, and by the first path, said another node of the first network communicates for path with another node of the second network. By the dual-node interconnection structure and the path configuration shceme of this invention between a ring network and a mesh network, and between mesh networks, the respective advantages of the ring network and the mesh metwork in regard to protection and restoration can be combined effectively, and the existing internetworking schemes between the rings are also compatible.
34 Citations
45 Claims
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1. A method for configuring interconnection between optical networks including a first network and a second network each including a plurality of nodes, a first node of the first network being connected with a third node of the second network and a second node of the first network being connected with a fourth node of the second network, said method comprising the steps of:
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(a) setting-up a first path between one of the first node and the second node and another node in the first network; and
(b) via the first path and at least one of the link between the first node and the third node and the link between the second node and the fourth node, setting up the path between said another node in the first network and another node in the second network, wherein at least one of said first network and said second network is a mesh network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 38, 39, 40, 41)
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28. An inter-network interconnection structure of optical networks, comprising:
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a first network having a plurality of nodes including a first node and a second node;
a second network having a plurality of nodes including a third node and a fourth node, the first node being connected with the third node and the second node being connected with the fourth node;
a first path for connecting the first node or the second node with another node in the first network;
wherein the path communication is performed between said another node in the first network and another node in the second network via the first path and at least one of the link between the first node and the third node and the link between the second node and the fourth node, wherein at least one of said first network and said second network is a mesh network. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 42, 43, 44, 45)
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Specification