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Managing switched virtual circuits in a network
| Details |
Inventors: Campbell, Walter Blanton;
Assignee: Objective Systems Integrators (Folsom, CA)
Primary Examiner: Chin; Wellington
Assistant Examiner: Phan; M.
Attorney, Agent or Firm: Fulbright & Jaworski L.L.P.
A system and method for managing switched virtual circuits in a virtual circuit switched network. A preferred embodiment method for managing switched virtual circuits comprises determining that a switched virtual circuit has been established in a virtual circuit switched network by a network access device, monitoring the switched virtual circuit while the switched virtual circuit is active, and storing bandwidth and duration information for the switched virtual circuit upon termination of the switched virtual circuit. Another preferred embodiment method comprises receiving a request for establishing the switched virtual circuit from a network access device, generating connection parameters for establishing the switched virtual circuit in the virtual circuit switched network, and sending a reply including the connection parameters to the network access device. A preferred embodiment network management system comprises a network access device gateway having an interface to a network access device in the virtual circuit switched network, a network administrator database connected to the gateway, the database including rules and objects representing characteristics of the virtual circuit switched network, and a rule engine connected to the gateway and having access to the rules and objects in the database. The present invention enables end users to request and use switched virtual circuits and realize the benefits in cost and efficiency over private virtual circuits, and providing service providers with increased bandwidth utilization and improved profitability. |
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DETAILED DESCRIPTION FIG.
1 is a high level block diagram of prior art frame relay network 100.
In FR network 100, user device 102 issues switched virtual circuit request 104 to frame relay access device (FRAD) 106.
In response to this request, FRAD 106 in theory establishes switched virtual circuit 108 to FRAD 110 via other FR devices 112 which are in FR network 100.
However, prior art FR network 100 does not provide sufficient network management for the proper establishment, monitoring, termination and reporting required for SVC 108 to be practically used by end user 102.
In other words, FR network 100 generally is designed to implement switched virtual circuits, but this has not been done on an end user level in the prior art because of insufficient network management control and monitoring, which is needed, for example, for proper billing of the end user.
With prior art systems, provisioning, monitoring and reporting of switched virtual circuits in an SVC network based on customer Service Level Agreements (SLAs), pricing policies, usage requirements, and duration and bandwidth of the connection therefore have not been practical.
With reference now to FIG.
2, there is shown a switched virtual circuit network management system in accordance with a preferred embodiment of the present invention.
In particular, NetExpert.
RTM.
NMS 214, a product of Objective Systems Integrators, Inc.
(OSI), is shown connected to frame relay network 200.
NMS 214 provides for the provisioning, monitoring and reporting of switched virtual circuits in frame relay network 200.
NetExpert is an object-oriented NMS comprising a set of integrated software modules and graphical user interface (GUI) development tools that permit the creation and deployment of network management and operations support solutions, and is more fully described in a 1997 OSI brochure entitled NetExpert Framework Overview.
The NetExpert framework provides a platform for the creation of an NMS for nearly any complex WAN.
Each element, device and even database may be managed as a separate object
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Processing Data 
