Waseem M Siddiqi

US Patent:

7471661, Dec 30, 2008

Filed:

Feb 20, 2002

Appl. No.:

10/080995

Inventors:

Huizhao Wang - San Jose CA, US
Kent K. Leung - Mountain View CA, US
Waseem A. Siddiqi - Santa Clara CA, US
Christine Andiazabal - Palo Alto CA, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04Q 7/24
H04L 12/28
H04L 12/56

US Classification:

370338, 370392

Abstract:

Methods and apparatus for enabling mobility of a node that does not support Mobile IP are disclosed. Access point information is maintained for all functioning access points. In accordance with one embodiment, an authoritative access point (AAP) maintains access point information for all functioning access points (APs) and sends updates for all additions or other modifications to the continually changing access point information to enable APs to store a local copy of the AP information. For instance, when an AP goes offline, the access point information for that AP will be removed from the set of access point information, and notification of this removal is sent to other APs so that the local copy of the AP information may be similarly updated. As another example, when an AP comes online, it will send its AP information to the AAP. The AAP will store the AP information and provide this new AP information to other “active” APs.

US Patent:

7729314, Jun 1, 2010

Filed:

Oct 24, 2005

Appl. No.:

11/258470

Inventors:

Waseem Siddiqi - Sunnyvale CA, US
Bruce A. McMurdo - San Jose CA, US
Kent K. Leung - Los Altos CA, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04W 4/00

US Classification:

370331, 3703102, 370338, 370393, 370400, 370401, 4554141, 4554142, 455418, 4554321, 4554323, 455436, 709210, 709217, 709230, 709245

Abstract:

Methods and apparatus for preventing an IP address from being assigned to a client implementing a protocol such as DHCP are disclosed. This is particularly useful in an environment such as a Mobile IP environment in which a network device (e. g. , Access Point) performs proxy registration on behalf of the client. When the client transmits a detection packet to detect whether its IP address is still valid (e. g. , whether it is on the same sub-network on which the IP address was allocated), a response is transmitted to the client that indicates that the client is still on its home network. This response is transmitted regardless of whether the client is still on its home network. Since the client believes it is still on its home network, a new IP address will not be assigned to the client. As a result, an existing Mobile IP session will not be interrupted.

US Patent:

8422467, Apr 16, 2013

Filed:

Nov 25, 2008

Appl. No.:

12/323384

Inventors:

Huizhao Wang - San Jose CA, US
Kent K. Leung - Mountain View CA, US
Waseem A. Siddiqi - Santa Clara CA, US
Christine Andiazabal - Palo Alto CA, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04W 4/00

US Classification:

370338, 370392

Abstract:

Methods and apparatus for enabling mobility of a node that does not support Mobile IP are disclosed. When an AP receives a data packet, the AP may compare the data packet (e. g. , source address) with the AP information for one or more APs to determine whether to send a registration request on behalf of the node. More particularly, the AP determines from the source address whether the node is located on a subnet identical to a subnet of the AP. If the node is located on the subnet of the AP, no Mobile IP service is required on behalf of the node. However, when it is determined from the source address that the node is not located on the subnet identical to the subnet of the Access Point, the AP composes and sends a mobile IP registration request on behalf of the node. For instance, the mobile IP registration request may be composed using the gateway associated with the “home” AP (e. g. , having a matching subnet) as the node's Home Agent.

US Patent:

7362742, Apr 22, 2008

Filed:

Jan 28, 2003

Appl. No.:

10/354690

Inventors:

Waseem A. Siddiqi - Santa Clara CA, US
Arunkumar B. Thippeswamy - Cupertino CA, US
Tai Y. Yu - Fremont CA, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04J 3/06
H04L 12/56

US Classification:

370350, 37039531

Abstract:

Methods and apparatus for enabling mobility of a node that does not support Mobile IP through synchronization of access point information (e. g. , subnet mapping tables) among AAPs are disclosed. In accordance with one embodiment, an authoritative access point (AAP) maintains access point information for all functioning access points (APs) and sends updates for all additions or other modifications to the continually changing access point information to other AAPs. This is accomplished by sending a copy of its local subnet mapping table to the other AAPs. The AAPs receiving the subnet mapping table then update their subnet mapping tables corresponding to the received subnet mapping table.

US Patent:

7447188, Nov 4, 2008

Filed:

Jun 22, 2004

Appl. No.:

10/874679

Inventors:

Gopal Dommety - San Jose CA, US
Waseem Siddiqi - Santa Clara CA, US
Kent Leung - Los Altos CA, US

Assignee:

Cisco Technology, Inc. - San Jose CA

International Classification:

H04B 7/216

US Classification:

370342, 370392

Abstract:

Methods and apparatus for implementing proxy Mobile IP in a system implementing multiple VLANs are disclosed. Specifically, a network device such as an Access Point or Foreign Agent supports multiple VLANs on a plurality of interfaces. In addition, the network device implements proxy Mobile IP on at least one interface. The network device ascertains a subnet map of a node, where the subnet map corresponds to a VLAN. It then identifies a Home Agent associated with the subnet map or VLAN via which to register the node. The network device then composes a registration request on behalf of the node, where the registration request identifies the node (e. g. , IP address) and includes a Home Agent address associated with the Home Agent. The registration request also directly or indirectly indicates the interface corresponding to the VLAN via which data packets are to be routed. The registration request is then sent on behalf of the node.

US Patent:

20190261221, Aug 22, 2019

Filed:

Feb 22, 2018

Appl. No.:

15/902239

Inventors:

- San Jose CA, US
Rajesh S. Pazhyannur - Fremont CA, US
Waseem A. Siddiqi - Campbell CA, US
Ramanujam Jagannath - Cupertino CA, US

International Classification:

H04W 28/08
H04L 12/24
G06F 15/18
H04W 28/02

Abstract:

In one embodiment, a computing device determines a plurality of probability-based trajectories a mobile device could traverse through a plurality of access point (AP) cells within a given area depending on an entry point of the mobile device into the given area. A predictive dwell time may also be associated to each AP cell based on how long a mobile device is expected to remain within the respective AP cell. Based on i) current locations of mobile devices, ii) the plurality of probability-based trajectories a mobile device could traverse through the plurality of AP cells, and iii) the predictive dwell time of each AP cell, the computing device can compute a probability of mobile device density surpassing a potential flash crowd threshold within each AP cell at any given future time. In response, the computing device may then perform one or more mitigation actions.

US Patent:

20190199598, Jun 27, 2019

Filed:

Dec 22, 2017

Appl. No.:

15/853481

Inventors:

- San Jose CA, US
Aleksandar Miodrag Ivanovic - Santa Clara CA, US
Waseem A. Siddiqi - Campbell CA, US
Rajesh S. Pazhyannur - Fremont CA, US
Manjula Shivanna - San Jose CA, US
Kedar Krishnanand Gaonkar - San Jose CA, US

International Classification:

H04L 12/24
H04W 24/06
H04L 12/26
G06F 15/18

Abstract:

Predicting data throughput with a user device comprises a wireless system supported by wireless access points receiving signals from the user device. A wireless prediction system receives data from the wireless system, where the data comprises characteristics of the wireless access point, characteristics of communications with user computing devices, and data throughput statistics. The prediction system categorizes the received data based on one or more of a set of characteristics and determines a maximum data throughput capacity for each of the one or more wireless access points for each of the one or more set of characteristics. The system receives a request for a prediction of data throughput capacity for a particular wireless access point and, based on the characteristics of the particular wireless access point, determines an estimated data throughput capacity based on data throughputs of wireless access points having similar characteristics.

US Patent:

20180316573, Nov 1, 2018

Filed:

Apr 28, 2017

Appl. No.:

15/581403

Inventors:

- San Jose CA, US
WASEEM A. SIDDIQI - Campbell CA, US
MARK SHURTLEFF - Hayward CA, US

International Classification:

H04L 12/24
H04L 12/26

Abstract:

A computer-implemented method and system for a graphical network connection timeline is provided. The method comprises receiving network connection data for a client device and storing the data in a first data repository. Using the data stored in the first data repository, one or more connection time period values for the client device is calculated. Each of the connection time period values represent a time of wireless network connection of the client device to each of one or more access points. The method further comprises generating a network connection timeline that tracks a network connectivity of the client device and storing the timeline in a second data repository. The timeline comprises a frequency band indicator, a time period, and one or more markers based, at least in part, on each of the connection time period values. The network connection timeline stored in the second data repository is then displayed in a Graphical User Interface (GUI).

Address:

43429 Spg Cellar Ct, Leesburg, VA 20176

Phone:

7037240693

VIN:

2T2BK1BA2CC153371

Make:

LEXUS

Model:

RX 350

Year:

2012