The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2009
Filed:
Aug. 07, 2000
Harold Douglas Dykeman, Richterswil, CH;
Paolo Michele Scotton, Rueschlikon, CH;
Claude Basso, Raleigh, NC (US);
Philippe Damon, Carrboro, NC (US);
Harold Douglas Dykeman, Richterswil, CH;
Paolo Michele Scotton, Rueschlikon, CH;
Claude Basso, Raleigh, NC (US);
Philippe Damon, Carrboro, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Methods and apparatus are provided for alternative routing of a connection between a source node and a destination node in a PNNI hierarchical network. The alternative routing method comprises responding to a failed connection between said nodes due to a sole-access element of the network structure as seen by the source node, where a said sole-access element is an element which provides sole access to the destination node in said network structure, by: selecting at least one non-sole-access element of the route used by the failed connection in said network structure; identifying an alternative route for the connection in said network structure which does not utilize the at least one selected element; and using the alternative route for establishment of the connection between said nodes.