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US 2003/0189926 A1Published application
Network system
AssigneeFujitsu Limited
InventorsYoshihiro Watanabe, Taisuke Sasaki
Life of this patent
Estimating the term…
Abstract
A NMS for controlling the network provides a SoftPVC connection request comprising information associated with a specified relay node to a call-out node, when setting a path passing through the specified relay node. The call-out node prepares a SETUP message comprising information associated with the specified relay node, and transmits the message to nodes existing on the post stage. Thereafter, the SETUP message reaches the call-in node through the specified relay node, to thereby perform the signaling procedure, and as a result, a path from the call-out node to the call-in node passing through the specified relay node is set and established.
Claims16
A network system comprising:
- a network having a plurality of nodes;
- and
- a control unit for this network,
- wherein said network has a plurality of routes from a call-out node via an relay node to a call-in node;
- said control unit provides to the call-out node a path connection request having node information stored therein, when the call-out node and the call-in node are to be connected, passing through at least one node, said node information comprising information associated with the call-out node, information associated with the call-in node, and information associated with a specified relay node specified as a node for the path to pass therethrough;
- said call-out node generates a path connection start request comprising the node information in the path connection request, upon reception of the path connection request from said control unit;
- and transmits the path connection start request to the adjacent node so that the specified relay node receives the path connection start request, based on the information associated with the specified relay node, as well as setting a path with the adjacent node;
- and
- said each node, when receives the path connection start request, if there is a specified relay node which has not received the path connection start request, transmits the path connection start request to the adjacent node so that said specified relay node receives the path connection start request, based on the information associated with said specified relay node, and if all of the specified relay nodes have received the path connection start request, said each node transmits the path connection start request to the adjacent node so that the call-in node receives the path connection start request based on the information associated with the call-in node, to thereby set a path with the adjacent node that has transmitted the path connection start request.
6 more elements
A network system comprising:
- a network having a plurality of nodes and a control unit for this network,
- wherein said network has a plurality of routes from a call-out node via an relay node to a call-in node;
- when the call-out node and the call-in node are connected without passing through at least one specific node, said control unit provides to the call-out node a path connection request having node information stored therein, comprising:
- information associated with the call-out node;
- information associated with the call-in node;
- and information associated with a specified non-passage node specified as a specific node through which the path does not pass;
- said call-out node, when receives the path connection request from the control unit, generates a path connection start request comprising the node information in the path connection request, and transmits the path connection start request to the adjacent node that does not correspond to said specified non-passage node based on the information associated with the specified non-passage node, as well as setting a path with the adjacent node;
- and
- said each node when receives the path connection start request, if there is an adjacent node corresponding to the call-in node, transmits the path connection start request to the adjacent node, and if there is an adjacent node which does not correspond to the call-in node and the specified non-passage node, said each node transmits the path connection start request to the adjacent node, and sets a path with the adjacent node that has transmitted the path connection start request.
6 more elements
Dependencies are inferred from the claim text.