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For the Inventor, By the Inventor

Fremont, CA, United States of America

Feisal Y Daruwalla

USPTO Granted Patents = 19

Average Co-Inventor Count = 3.1

ph-index = 12

Forward Citations = 772(Granted Patents)


Location History:

  • Santa Clara, CA (US) (2000 - 2011)
  • Fremont, CA (US) (2004 - 2011)
  • Cary, NC (US) (2013)

Company Filing History:

goldMedal19 out of 20,357 
 
Cisco Technology, Inc.
 patents

Years Active: 2000-2013

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19 patents (USPTO):Explore Patents
1. RE44661 - Method for a cable modem to rapidly switch to a backup CMTS (2013-12-23),
2. 7974201 - Technique and apparatus for using node ID as virtual private network (VPN) identifiers (2011-07-05),
3. 7966409 - Routing protocol based redundancy design for shared-access networks (2011-06-21),
4. 7895312 - IP subnet sharing technique implemented without using bridging or routing protocols (2011-02-22),
5. 7817540 - Method and apparatus for N+1 RF switch with passive working path and active protection path (2010-10-19),
6. 7672230 - Downstream channel change technique implemented in an access network (2010-03-02),
7. 7656890 - Downstream channel change technique implemented in an access network (2010-02-02),
8. 7656877 - Apparatus and methods for sniffing data in a cable head end (2010-02-02),
9. 7174376 - IP subnet sharing technique implemented without using bridging or routing protocols (2007-02-06),
10. 7113484 - Downstream channel change technique implemented in an access network (2006-09-26),
11. 7068712 - Cable network redundancy architecture (2006-06-27),
12. 7058007 - Method for a cable modem to rapidly switch to a backup CMTS (2006-06-06),
13. 6839829 - Routing protocol based redundancy design for shared-access networks (2005-01-04),
14. 6820210 - System and method for fault recovery for a two line bi-directional ring network (2004-11-16),
15. 6693878 - Technique and apparatus for using node ID as virtual private network (VPN) identifiers (2004-02-17),

Innovative Contributions of Feisal Y Daruwalla in Cable Modem Technology

Introduction

Feisal Y Daruwalla, an accomplished inventor based in Fremont, CA, has made significant contributions to the field of telecommunications. With a remarkable portfolio of 19 patents, Daruwalla has played a pivotal role in advancing cable modem technology, impacting how data is transmitted over shared networks.

Latest Patents

Daruwalla's latest innovations include two noteworthy patents:

1. **Method for a cable modem to rapidly switch to a backup CMTS**

This invention addresses the need for a cable modem to quickly transition to a backup Cable Modem Termination System (CMTS) when the primary service fails. By allowing the cable modem to preregister with the backup CMTS beforehand and maintaining a single IP address throughout the transfer, service continuity is enhanced without the need for additional configurations during a cutover.

2. **Technique and apparatus for using node ID as virtual private network (VPN) identifiers**

This patent presents a method for managing VPN packet flows over shared access data networks. It utilizes the node ID to ensure that nodes within the same VPN can communicate efficiently without requiring the packets to be routed outside the shared network. This innovation significantly improves both the performance and security of data transmission.

Career Highlights

Feisal Y Daruwalla has dedicated his career to innovation at Cisco Technology, Inc., a leading company in the networking sector. His work has been instrumental in driving advancements that shape the future of telecommunications. Through his patents, he has demonstrated a keen understanding of both technical and practical applications of network technology.

Collaborations

Throughout his career, Daruwalla has had the opportunity to work with talented individuals such as James R Forster and Joanna Qun Zang. These collaborations have not only fostered creativity and innovation but also helped in the rapid development and implementation of advanced technologies in the industry.

Conclusion

Feisal Y Daruwalla's contributions to the field of telecommunications, particularly through his innovative patents, reflect his commitment to enhancing network technology. As he continues to develop groundbreaking solutions, his impact on the industry is sure to be felt for years to come.

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