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:
Feb. 19, 2002
Filed:
Nov. 16, 1998
Applicant:
Inventors:
Patrick R. Bisson, Rohnert Park, CA (US);
Paul M. Elliott, Jenner, CA (US);
Kate B. Amon, Fremont, CA (US);
Anurag Nigam, Mountain View, CA (US);
Phu S. Le, Rohnert Park, CA (US);
Assignee:
Cisco Systems, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/228 ;
U.S. Cl.
CPC ...
H04L 1/228 ;
Abstract
The present invention provides a method and structure for allowing more than 16 nodes to be configured in a single SONET BLSR network by utilizing unused portions of the transport overhead of an STS-N frame to expand the node identification field from 4 bits to 8 bits, thereby allowing up to 256 nodes to be present on a single ring.