Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2011-04-19
2011-04-19
Sheikh, Ayaz R (Department: 2476)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S238000, C370S252000, C370S354000, C370S392000, C370S401000, C709S220000, C709S222000, C709S228000, C709S230000, C709S238000
Reexamination Certificate
active
07929524
ABSTRACT:
A system for hiding transit-only interfaces in a network. When a routing system is advertising a transit-only interface, the advertisement is marked to indicate the address is a transit-only interface. A routing system receives the advertisement and detects the identifier of the transit-only interface and does not store the address in the Router Information Base of the routing system.
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PCT Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration, mailed Jul. 30, 2008, International Application No. PCT/US07/67819, International Filing Date: Apr. 30, 2007, 9 pages.
Gage Timothy M.
Lindem Alfred C.
Mirtorabi Sina
Ng James L.
Raza Syed Khalid
Cesari and McKenna LLP
Cisco Technology Inc.
Haliyur Venkatesh
Sheikh Ayaz R
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