Ali N Saleh

US Patent:

6632033, Oct 14, 2003

Filed:

Apr 13, 1999

Appl. No.:

09/291223

Inventors:

Ali Najib Saleh - Addison TX
Matthew Lee Heston - Plano TX

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04B 1000

US Classification:

398139, 398200

Abstract:

An ultra-short-reach optical transceiver is described. The ultra-short-reach optical transceiver comprises an optical transmitter, an optical receiver, and a clock and data recovery unit. The optical transmitter is configured to transmit a first signal. Additionally, the optical transmitter is nominally designed to transmit data at a designed transmit bit rate of between about 0. 9 Gbps and about 1. 25 Gbps. The first signal has a bit rate of between about 2 Gbps and about 3 Gbps, and exhibits an eye opening of at least about 50%. The optical receiver is configured to receive a second signal and is nominally designed to receive data at a designed receive bit rate of between about 0. 9 Gbps and about 1. 25 Gbps. The second signal has a bit rate of between about 2 Gbps and about 3 Gbps. The clock and data recovery unit is coupled to the optical receiver.

US Patent:

6724757, Apr 20, 2004

Filed:

Jan 15, 1999

Appl. No.:

09/232395

Inventors:

Haig Michael Zadikian - McKinney TX
Ali Najib Saleh - Castaic CA
John Conlon Adler - Plano TX
Zareh Baghdasarian - Richardson TX
Vahid Parsi - Richardson TX

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04L 1250

US Classification:

370388, 370400, 370351

Abstract:

A signal router, configured to receive information carried by a first signal and transmit the information on a second signal, is described. The signal router, using routing information it gathers, selects the second signal from a number of signals, with the first and the second signals differing in at least one physical characteristic. The signal router operates in a network of a number of such signal routers, and so each one of the signal routers is coupled to at least one of the other signal routers. The routing information is used to create a circuit from a first one of the signal routers to a second one of the signal routers. Once the circuit is created, the information is routed over the circuit. According to one aspect of the present invention, the signals are optical signals.

US Patent:

6801496, Oct 5, 2004

Filed:

Sep 2, 1999

Appl. No.:

09/389302

Inventors:

Ali Najib Saleh - Addison TX
Stevan E. Plote - Plano TX

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

G01R 3108

US Classification:

370221, 37039531, 370400, 370242, 370351, 709238, 709239, 709242

Abstract:

A method for operating a network and a network architecture implementing the method are described. The method, in one embodiment, begins by grouping a plurality of nodes into zones, where the network includes the plurality of nodes. At least one of the nodes in each one of the zones is one of a plurality of boundary nodes, and each of the boundary nodes in each one of the zones is coupled to a boundary node in another of the zones by one of a first number of inter-zone optical links. One of the zones includes a number of nodes, each of which is coupled to at least one other of the nodes by one of a second number of intra-zone optical links. Next, a non-boundary node is configured to transmit network information to other of the nodes. The non-boundary node is a node in the zone that is not a boundary node. Finally, a boundary node in the zone is configured to limit transmission of the network information through itself to other of the boundary nodes.

US Patent:

6950391, Sep 27, 2005

Filed:

Oct 7, 2003

Appl. No.:

10/680940

Inventors:

Haig Michael Zadikian - McKinney TX, US
Ali Najib Saleh - Castaic CA, US
John Conlon Adler - Plano TX, US
Zareh Baghdasarian - Richardson TX, US
Vahid Parsi - Richardson TX, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

G01R031/08
H04J003/16
H04L012/28

US Classification:

370219, 370468, 37039521

Abstract:

A method is provided to allocate bandwidth from a first node to a second node in a optical network. The method begins by accepting a request from an end-user, who requests a virtual path between the first node and the second node. The first and second nodes are ones of a number of such nodes. Each one of the nodes is coupled to at least one other node by at least one of a number of optical links. The nodes and links form the optical network. The virtual path has a bandwidth requirement associated therewith. Next, the service provider determines an amount of bandwidth available between the first and the second nodes. The service provider then allocates at least a portion of the amount of bandwidth available between the first and second nodes equal to the bandwidth requirement, so long as the bandwidth requirement is not greater than the amount of bandwidth available between the first and second nodes.

US Patent:

7602807, Oct 13, 2009

Filed:

Sep 27, 2005

Appl. No.:

11/235820

Inventors:

Haig Michael Zadikian - McKinney TX, US
Ali Najib Saleh - Castaic CA, US
John Conlon Adler - Plano TX, US
Zareh Baghdasarian - Richardson TX, US
Vahid Parsi - Richardson TX, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04L 12/28
H04J 3/16

US Classification:

370468, 37039521, 370400

Abstract:

A method is provided to allocate bandwidth from a first node to a second node in a optical network. The method begins by accepting a request from an end-user, who requests a virtual path between the first node and the second node. The first and second nodes are ones of a number of such nodes. Each one of the nodes is coupled to at least one other node by at least one of a number of optical links. The nodes and links form the optical network. The virtual path has a bandwidth requirement associated therewith. Next, the service provider determines an amount of bandwidth available between the first and the second nodes. The service provider then allocates at least a portion of the amount of bandwidth available between the first and second nodes equal to the bandwidth requirement, so long as the bandwidth requirement is not greater than the amount of bandwidth available between the first and second nodes.

US Patent:

7724655, May 25, 2010

Filed:

Oct 5, 2004

Appl. No.:

10/958901

Inventors:

Ali Najib Saleh - Addison TX, US
Stevan E. Plote - Plano TX, US

Assignee:

Cisco Systems, Inc. - San Jose CA

International Classification:

H04J 1/16

US Classification:

370228, 370242

Abstract:

A method for operating a network and a network architecture implementing the method are described. The method, in one embodiment, begins by grouping a plurality of nodes into zones, where the network includes the plurality of nodes. At least one of the nodes in each one of the zones is one of a plurality of boundary nodes, and each of the boundary nodes in each one of the zones is coupled to a boundary node in another of the zones by one of a first number of inter-zone optical links. One of the zones includes a number of nodes, each of which is coupled to at least one other of the nodes by one of a second number of intra-zone optical links. Next, a non-boundary node is configured to transmit network information to other of the nodes. The non-boundary node is a node in the zone that is not a boundary node. Finally, a boundary node in the zone is configured to limit transmission of the network information through itself to other of the boundary nodes.

US Patent:

7933266, Apr 26, 2011

Filed:

Apr 20, 2004

Appl. No.:

10/828246

Inventors:

Haig Michael Zadikian - McKinney TX, US
Ali Najib Saleh - Castaic CA, US
John Conlon Adler - Plano TX, US
Zareh Baghdasarian - Richardson TX, US
Vahid Parsi - Richardson TX, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04L 12/28
H04J 3/06
H04J 14/00
H04B 10/00

US Classification:

370389, 370350, 398 45, 398123

Abstract:

A signal router, configured to receive information carried by a first signal and transmit the information on a second signal, is described. The signal router, using routing information it gathers, selects the second signal from a number of signals, with the first and the second signals differing in at least one physical characteristic. The signal router operates in a network of a number of such signal routers, and so each one of the signal routers is coupled to at least one of the other signal routers. The routing information is used to create a circuit from a first one of the signal routers to a second one of the signal routers. Once the circuit is created, the information is routed over the circuit. According to one aspect of the present invention, the signals are optical signals.

US Patent:

8427962, Apr 23, 2013

Filed:

Mar 24, 2008

Appl. No.:

12/054040

Inventors:

Haig Michael Zadikian - McKinney TX, US
Zareh Baghdasarian - La Canada CA, US
Ali Najib Saleh - Fort Lauderdale FL, US
Vahid Parsi - Sherman Oaks CA, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04J 3/14

US Classification:

370242, 370216

Abstract:

A method of communicating information regarding a failure is disclosed. The method includes generating failure information. The failure affects a virtual path, which is between a first node and a second node. A first zone includes the first node, and a second zone includes the second node. The failure information can include, for example, a zone identifier and/or an action code.