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:
Jan. 26, 2010
Filed:
Nov. 04, 2004
Ganesh Sundaram, Rohnert Park, CA (US);
Hitesh Amin, Petaluma, CA (US);
John Diab, Santa Rosa, CA (US);
Thomas Eric Ryle, Raleigh, NC (US);
Charles Allen Carriker, Jr., Cary, NC (US);
Marc Bennett, Austin, TX (US);
Michael D. Blair, Cary, NC (US);
Ganesh Sundaram, Rohnert Park, CA (US);
Hitesh Amin, Petaluma, CA (US);
John Diab, Santa Rosa, CA (US);
Thomas Eric Ryle, Raleigh, NC (US);
Charles Allen Carriker, Jr., Cary, NC (US);
Marc Bennett, Austin, TX (US);
Michael D. Blair, Cary, NC (US);
Cisco Technology Inc., San Jose, CA (US);
Abstract
In network systems for transporting GFP-encapsulated FICON frames across a SONET/SDH transport network between FICON ports, the transport interfaces for the FICON ports operate to drop duplicate and out-of-order frames transported across the SONET/SDH network. The transmitting transport interface inserts a sequence number incremented with each FICON frame into said one or more transport frames, whereby the sequence number is used as an index for determining duplicate and out-of-order frames after transport over said SONET/SDH network. The receiving transport interface compares sequence numbers with each FICON frame to determine duplicate and out-of-order FICON frames, drops the duplicate and out-of-order FICON frames; and sends the balance of the compared FICON frames to the receiving FICON port.