Multiplex communications – Pathfinding or routing – Through a circuit switch
Reexamination Certificate
2004-06-30
2011-10-25
Yao, Kwang B (Department: 2473)
Multiplex communications
Pathfinding or routing
Through a circuit switch
C370S389000, C370S401000, C370S241000, C370S229000
Reexamination Certificate
active
08045547
ABSTRACT:
A method and apparatus for routing and forwarding between virtual routers is described. A method in a single network element comprises peering a first virtual router to a second virtual router, wherein the first and second virtual routers have separate address spaces and separate routing tables, distributing a set of one or more routes from the first virtual router to the second virtual router, wherein a first of the set of routes identifies the first virtual as a next hop of the first route, said first route including a destination, and downloading to a set of one or more forwarding tables, the destination and the next hop.
REFERENCES:
patent: 5550816 (1996-08-01), Hardwick et al.
patent: 5920699 (1999-07-01), Bare
patent: 6148411 (2000-11-01), Ichinohe et al.
patent: 6151635 (2000-11-01), Bare
patent: 6192051 (2001-02-01), Lipman et al.
patent: 6205488 (2001-03-01), Casey et al.
patent: 6397260 (2002-05-01), Wils et al.
patent: 6496510 (2002-12-01), Tsukakoshi et al.
patent: 6556547 (2003-04-01), Srikanth et al.
patent: 6560236 (2003-05-01), Varghese et al.
patent: 6597699 (2003-07-01), Ayres
patent: 6609153 (2003-08-01), Salkewicz
patent: 6674756 (2004-01-01), Rao et al.
patent: 6907039 (2005-06-01), Shen
patent: 7085827 (2006-08-01), Ishizaki et al.
patent: 7133365 (2006-11-01), Klinker et al.
patent: 7209976 (2007-04-01), Folkes et al.
patent: 7242665 (2007-07-01), Langille et al.
patent: 7260648 (2007-08-01), Tingley et al.
patent: 7272634 (2007-09-01), Sarkar et al.
patent: 7274704 (2007-09-01), Ould-Brahim et al.
patent: 7464152 (2008-10-01), Ishizaki et al.
patent: 7715381 (2010-05-01), Shen
patent: 7769862 (2010-08-01), Singh et al.
patent: 2001/0048661 (2001-12-01), Clear et al.
patent: 2002/0067725 (2002-06-01), Oguchi et al.
patent: 2002/0097730 (2002-07-01), Langille et al.
patent: 2002/0099849 (2002-07-01), Alfieri et al.
patent: 2002/0133534 (2002-09-01), Forslow
patent: 2002/0184387 (2002-12-01), Yamaya et al.
patent: 2003/0051048 (2003-03-01), Watson et al.
patent: 2003/0123446 (2003-07-01), Muirhead et al.
patent: 2003/0126233 (2003-07-01), Bryers et al.
patent: 2003/0169747 (2003-09-01), Wang
patent: 2004/0073715 (2004-04-01), Folkes et al.
patent: 2004/0076160 (2004-04-01), Phaltankar
patent: 2004/0165581 (2004-08-01), Oogushi
patent: 2004/0233913 (2004-11-01), Shen
patent: 2004/0240429 (2004-12-01), Shen
patent: 2004/0240455 (2004-12-01), Shen
patent: 2005/0281249 (2005-12-01), Chander et al.
patent: 2007/0183421 (2007-08-01), Terrell et al.
Gopal L, R., “Separation of control and forwarding plane inside a network element”, Jul. 3-5, 2002, IEEE, ISBN: 0-7803-7600-5, pp. 161-166.
Bjorkman, N. et al., “Open control of partitioned switches”, Jun. 26-29, 2000, IEEE, ISBN: 0-7803-5884-8, pp. 549-556.
McDysan, D. et al., “Multiservice networking using a component-based switch and router architecture”, Jun. 26-29, 2000, IEEE, pp. 97-104.
Gopal, Ram, “Forwarding Element Model”, Feb. 2002, Internet Engineering Task Force (IETF) Working Group ForCES, Internet Draft, pp. 1-14.
Yu, Jessica, “Network Based IP VPN Architecture using Virtual Routers”, Feb. 19, 2001, CoSineCommunications, all slides.
Aweya, “On the design of IP routers. Part 1: Router Architectures”, Apr. 2000, Journal of Systems Architecture, vol. 46 Issue 6, pp. 483-511.
White, “Catalyst 8500 CSR Architecture”, 1988, Cirsco Systems, pp. 1-19.
PCT/US03/20456, Nov. 14,2003, International Search Report.
PCT/U03/20456, May 25, 2004, International Preliminary Examination Report.
Non-Final Office Action, U.S Appl. No. 10/265,789, dated Oct. 27, 2003, 10 pages.
Notice of Allowance, U.S. Appl. No. 10/265,789, dated Apr. 19, 2004, 5 pages.
Notice of Allowance, U.S. Appl. No. 10/265,789, dated Apr. 5, 2005, 5 pages.
Non-Final Office Action, U.S Appl. No. 10/883,070, dated Aug. 22, 2007, 15 pages.
Non-Final Office Action, U.S Appl. No. 10/883,070, dated Apr. 3, 2008, 8 pages.
Non-Final Office Action, U.S Appl. No. 10/883,070, dated Aug. 5, 2008, 15 pages.
Final Office Action, U.S Appl. No. 10/883,070, dated Jan. 5, 2009, 15 pages.
Non-Final Office Action, U.S Appl. No. 10/883,070, dated Jul. 10, 2009, 12 pages.
Final Office Action, U.S Appl. No. 10/883,070, dated Jan. 11, 2010, 13 pages.
Notice of Allowance, U.S Appl. No. 10/883,070, dated Sep. 17, 2010, 8 pages.
Non-Final Office Action, U.S Appl. No. 10/883,109, dated Aug. 21, 2007, 9 pages.
Non-Final Office Action, U.S Appl. No. 10/883,109, dated Feb. 22, 2008, 16 pages.
Final Office Action, U.S Appl. No. 10/883,109, dated Sep. 3, 2008, 12 pages.
Non-Final Office Action, U.S Appl. No. 10/883,109, dated Jan. 28, 2009, 10 pages.
Final Office Action, U.S Appl. No. 10/883,109, dated Sep. 11, 2009, 12 pages.
Notice of Allowance, U.S Appl No. 10/883,109, dated Dec. 29, 2009, 5 pages.
Notice of Allowance, U.S. Appl. No. 10/883,070, dated Jan. 14, 2011, 9 pages.
Blakely , Sokoloff, Taylor & Zafman LLP
Duda Adam
Ericsson AB
Yao Kwang B
LandOfFree
Method and apparatus for routing and forwarding between... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for routing and forwarding between..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for routing and forwarding between... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4290789