06011780 is referenced by 112 patents and cites 39 patents.

A method and apparatus for the transparent, non-disruptable transfer of data, particularly multimedia data, through any packet-based network, such as an ATM network is provided. The method of the present invention includes the step of setting a primary path and a secondary path between nodes of a network, or of a network domain. Accordingly, when a switch or node establishes a Virtual Path (VP) to another switch with specified effective bandwidth, it also has an alternate VP that is available, although no bandwidth is actually used. The method of the present invention further includes the step of optimizing the available capacity of the system through management actions. For handling congestion and resource failures, the total effective bandwidth on each physical link is categorized in terms of idle capacity (unused or available), used capacity (for existing VPs), and spare capacity. When a resource failure occurs, the idle capacity is used for real-time switching of the VP and service is not disrupted. This is accomplished by an alarm indication management cell which is delivered when a resource problem is encountered. This management cell sets forth the secondary path and the bandwidth associated therewith. On the other hand, if idle capacity does not exist, the spare capacity is used, while the bandwidth of all other VPs is reconfigured using virtual bandwidth optimization. Therefore, service disruption does not occur. In a wireless, mobile network, the present invention monitors node movement and takes management actions on the basis of such node movement to prevent service disruption.

Title
Transparant non-disruptable ATM network
Application Number
8/862631
Publication Number
6011780
Application Date
May 23, 1997
Publication Date
January 4, 2000
Inventor
Jay D Bose
Short Hills
NJ, US
Tai Noh
Manalapan
NJ, US
Dhadesugoor R Vaman
Frederick
MD, US
Agent
Friscia & Nussbaum
Assignee
Stevens Institute of Technology
NJ, US
IPC
H04J 3/14
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