Ravi Chandra

US Patent:

7035256, Apr 25, 2006

Filed:

Oct 31, 2001

Appl. No.:

09/999585

Inventors:

Gerald W. Neufeld - Los Altos CA, US
Ajay M. Patel - Santa Clara CA, US
Ravi Chandra - Los Gatos CA, US

Assignee:

Redback Networks Inc. - San Jose CA

International Classification:

H04L 12/28
G06F 12/00

US Classification:

370389, 37039532, 711216

Abstract:

A method and apparatus for managing an information routing information base is described. A method comprises managing a routing information base (RIB), the RIB including a first set of elements that indicate a set of destinations, a second set of elements that indicate a set of next hops, a third set of elements that indicate a set of interfaces, receiving a message that indicates a modification to a plurality of routes corresponding to a plurality of the first set of elements, and modifying a first relationship between one of the second set of elements and a first one of the third set of elements and a second relationship between the one of the second set of elements and a second one of the third set of elements in accordance with the message, the one of the second set of elements referenced by the plurality of the first set of elements.

US Patent:

7433969, Oct 7, 2008

Filed:

Dec 31, 2001

Appl. No.:

10/036674

Inventors:

Rahul Aggarwal - Menlo Park CA, US
Ravi Chandra - Los Gatos CA, US

Assignee:

Redback Networks Inc. - San Jose CA

International Classification:

G06F 15/173

US Classification:

709242, 709238, 370351, 370389, 370392, 370469

Abstract:

A method and apparatus for representing a label switched path. In one embodiment, a computer implemented method comprises representing a label switched path (LSP) with a data structure, the data structure indicating a virtual ingress and an identifier to distinguish the LSP from other LSPs represented with the same virtual ingress.

US Patent:

7484003, Jan 27, 2009

Filed:

Nov 17, 2001

Appl. No.:

09/991234

Inventors:

Ravi Chandra - Los Gatos CA, US
Enke Chen - San Jose CA, US
Jenny Yuan - San Jose CA, US

Assignee:

Redback Networks Inc. - San Jose CA

International Classification:

G06F 15/173
G06F 11/00
H04L 12/28

US Classification:

709242, 709223, 709238, 370238, 370351

Abstract:

A method an apparatus for multiple contexts and layer 3 virtual private networks is described. A method comprises providing a layer 3 virtual private network (VPN) to a first customer; providing backbone access to a second customer; and maintaining on a single network element a first set of information for the first customer separately from a second set of information for the second customer.

US Patent:

8423674, Apr 16, 2013

Filed:

Jun 2, 2001

Appl. No.:

09/872920

Inventors:

Ravi Chandra - Los Gatos CA, US
Gerald Neufeld - Los Altos CA, US
Jenny Yuan - San Jose CA, US

Assignee:

Ericsson AB - Stockholm

International Classification:

G06F 15/16

US Classification:

709248, 709205

Abstract:

A method and apparatus for process sync restart is described. A computer implemented method comprises receiving a first set of data from a network process, determining death of the network process, clearing the first set of data if a time period expires, and synchronizing the first set of data with a second set of data if the time period does not expire, the second set of data received from the network process after the network process restarts.

US Patent:

20040031033, Feb 12, 2004

Filed:

Jun 2, 2001

Appl. No.:

09/872937

Inventors:

Ravi Chandra - Monte Sereno CA, US
Gerald Neufeld - Los Altos CA, US
Peter Smith - Mountain View CA, US

International Classification:

G06F009/00

US Classification:

718/102000

Abstract:

A method and apparatus for inter-process communication management is described. A computer implemented method comprises determining a process' state and indicating from a process state manager to a plurality of processes changes in the process' state.

US Patent:

20060190573, Aug 24, 2006

Filed:

Apr 21, 2006

Appl. No.:

11/409193

Inventors:

Ravi Chandra - Los Gatos CA, US
Enke Chen - San Jose CA, US
Jenny Yuan - San Jose CA, US

International Classification:

G06F 15/177

US Classification:

709220000

Abstract:

A method an apparatus for multiple contexts and layer virtual private networks is described. A method comprises providing a layer virtual private network (VPN) to a first customer; providing backbone access to a second customer; and maintaining on a single network element a first set of information for the first customer separately from a second set of information for the second customer.

US Patent:

7031304, Apr 18, 2006

Filed:

Nov 12, 2002

Appl. No.:

10/292161

Inventors:

Peter Arberg - Hojbjerg, DK
Ravi Chandra - Los Gatos CA, US
Michail Krupkin - New Westminster, CA

Assignee:

Redback Networks Inc. - San Jose CA

International Classification:

H04L 12/50
H04L 12/28

US Classification:

370360, 370390, 370392

Abstract:

A method and apparatus for selectively packet mirroring is described. A method in a network element comprises selectively mirroring packets, the packets being associated with a first virtual path, the first virtual path indicating a first physical path and a first virtual path identifier and the selectively mirrored packets forwarded in accordance with a second virtual path, said second virtual path indicating a second physical path and a second virtual path identifier.