Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10225174 | Apparatus and method to hide transit only multi-access networks in OSPF | Yi Yang, Alvaro Retana, James L. Ng, Abhay Roy, Alfred C. Lindem, III +2 more | 2019-03-05 |
| 9608900 | Techniques for flooding optimization for link state protocols in a network topology | Abhay Roy | 2017-03-28 |
| 9356856 | Apparatus and method to hide transit only multi-access networks in OSPF | Yi Yang, Alvaro Retana, James L. Ng, Abhay Roy, Alfred C. Lindem, III +2 more | 2016-05-31 |
| 8589573 | Technique for preventing routing loops by disseminating BGP attribute information in an OSPF-configured network | Mukhtiar Shaikh, Peter Psenak, Muhammad Moizuddin | 2013-11-19 |
| 8537817 | Apparatus and method to hide transit only multi-access networks in OSPF | Yi Yang, Alvaro Retana, James L. Ng, Abhay Roy, Alfred C. Lindem, III +2 more | 2013-09-17 |
| 8239569 | OSPF optimization for hub and spoke environment | Abhay Roy | 2012-08-07 |
| 8130638 | Method and apparatus to elect ABRs dynamically and intelligently | Yi Yang, Alvaro Retana, Abhay Roy, Alfred C. Lindem, III | 2012-03-06 |
| 8040795 | Backup path convergence in the APS environment | Mukhtiar Shaikh, Abhay Roy, Yousuf Hasan | 2011-10-18 |
| 7957380 | Support of unidirectional link in IS-IS without IP encapsulation and in presence of unidirectional return path | Abhay Roy, Lester C. Ginsberg | 2011-06-07 |
| 7929524 | Apparatus and method to hide transit only multi-access networks in OSPF | Yi Yang, Alvaro Retana, James L. Ng, Abhay Roy, Alfred C. Lindem, III +2 more | 2011-04-19 |
| 7889655 | Techniques for detecting loop-free paths that cross routing information boundaries | Alvaro Retana, Russell White, Abhay Roy | 2011-02-15 |
| 7865615 | Maintaining IGP transparency of VPN routes when BGP is used as a PE-CE protocol | Peter Psenak, Mukhtiar Shaikh, Eric C. Rosen | 2011-01-04 |
| 7804848 | Setting a forwarding address in an internet protocol version 6 (IPv6) routing protocol domain at a boundary with a different routing protocol domain | Abhav Roy | 2010-09-28 |
| 7701875 | OSPF unidirectional link support for unidirectional return paths | Abhay Roy | 2010-04-20 |
| 7664789 | Method and apparatus to minimize database exchange in OSPF by using a SHA-1 digest value | Abhay Roy, Brian Weis, Scott Fluhrer | 2010-02-16 |