| 12323231 |
Routing and regenerator planning in a carrier's core reconfigurable optical network |
Balagangadhar Bathula, Rakesh Sinha, Sheryl Leigh Woodward |
2025-06-03 |
|
| 11552723 |
Routing and regenerator planning in a carrier's core reconfigurable optical network |
Balagangadhar Bathula, Rakesh Sinha, Sheryl Leigh Woodward |
2023-01-10 |
$61,613,000 |
| 11349566 |
Reachability determination in wavelength division multiplexing network based upon fiber loss measurements |
Sheryl Leigh Woodward, Kathleen Tse, Martin Birk, Balagangadhar Bathula |
2022-05-31 |
$28,206,000 |
| 11032003 |
Reachability determination in wavelength division multiplexing network based upon fiber loss measurements |
Sheryl Leigh Woodward, Kathleen Tse, Martin Birk, Balagangadhar Bathula |
2021-06-08 |
$51,411,000 |
| 10554301 |
Reachability determination in wavelength division multiplexing network based upon fiber loss measurements |
Sheryl Leigh Woodward, Kathleen Tse, Martin Birk, Balagangadhar Bathula |
2020-02-04 |
$26,814,000 |
| 10491546 |
Provider edge router system and provider edge router system controller for hybrid virtualization of provider edge router functions |
Vijay Gopalakrishnan, Oliver Spatscheck, Chengwei Wang, Yang Xu |
2019-11-26 |
$41,301,000 |
| 10432342 |
Routing and regenerator planning in a carrier's core reconfigurable optical network |
Balagangadhar Bathula, Rakesh Sinha, Sheryl Leigh Woodward |
2019-10-01 |
$45,252,000 |
| 10200121 |
Reachability determination in wavelength division multiplexing network based upon fiber loss measurements |
Sheryl Leigh Woodward, Kathleen Tse, Martin Birk, Balagangadhar Bathula |
2019-02-05 |
$31,256,000 |
| 10171197 |
Method and apparatus for routing traffic using asymmetrical optical connections |
Balagangadhar Bathula, Mark David Feuer, Rakesh Sinha, John Lester Strand, Sheryl Leigh Woodward +1 more |
2019-01-01 |
|
| 10148349 |
Joint IP/optical layer restoration after a router failure |
John Lester Strand |
2018-12-04 |
$44,385,000 |
| 9735912 |
Method and apparatus for routing traffic using asymmetrical optical connections |
Balagangadhar Bathula, Mark David Feuer, Rakesh Sinha, John Lester Strand, Sheryl Leigh Woodward +1 more |
2017-08-15 |
$21,647,000 |
| 9705590 |
Joint IP/optical layer restoration after a router failure |
John Lester Strand |
2017-07-11 |
$23,775,000 |
| 9413640 |
Method and apparatus for routing traffic using asymmetrical optical connections |
Balagangadhar Bathula, Mark David Feuer, Rakesh Sinha, John Lester Strand, Sheryl Leigh Woodward +1 more |
2016-08-09 |
$28,968,000 |
| 9264344 |
Method and apparatus for providing a route recommendation |
Guangzhi Li, Chris Dailey, Robert Duncan Doverspike, Monica Naukam Gerhardstein, Dah-Min David Hwang +2 more |
2016-02-16 |
$21,035,000 |
| 9246623 |
Method and apparatus for routing traffic using asymmetrical optical connections |
Balagangadhar Bathula, Mark David Feuer, Rakesh Sinha, John Lester Strand, Sheryl Leigh Woodward +1 more |
2016-01-26 |
$23,131,000 |
| 9042720 |
Joint IP/optical layer restoration after a router failure |
John Lester Strand |
2015-05-26 |
$28,985,000 |
| 8989018 |
Method and apparatus for providing a route recommendation |
Guangzhi Li, Chris Dailey, Robert Duncan Doverspike, Monica Naukam Gerhardstein, Dah-Min David Hwang +2 more |
2015-03-24 |
$16,563,000 |
| 8897641 |
Reachability matrices spanning multiple domains in an optical network |
Robert Duncan Doverspike, Guangzhi Li, Monica Naukam Gerhardstein, Yici Guo, Dongmei Wang +1 more |
2014-11-25 |
$17,859,000 |
| 8687956 |
Standby restoration signaling for optical networks |
Guangzhi Li, Robert Duncan Doverspike, John Lester Strand |
2014-04-01 |
$22,151,000 |
| 8515280 |
Physically-diverse routing in heterogeneous optical networks |
Guangzhi Li, Chris Dailey, Robert Duncan Doverspike, Monica Naukam Gerhardstein, Dongmei Wang +1 more |
2013-08-20 |
$16,016,000 |
| 8452176 |
Reachability matrices spanning multiple domains in an optical network |
Robert Duncan Doverspike, Guangzhi Li, Monica Naukam Gerhardstein, Yici Guo, Dongmei Wang +1 more |
2013-05-28 |
$16,473,000 |
| 8260133 |
Standby restoration signaling for optical networks |
Guangzhi Li, Robert Duncan Doverspike, John Lester Strand |
2012-09-04 |
$27,223,000 |
| 8195048 |
Optical transport system architecture for remote terminal connectivity |
Michael Eiselt, Jay Wiesenfeld, Lara Denise Garrett, Mark Shtaif |
2012-06-05 |
|
| 8150257 |
Shared mesh restoration with pre-configured standby lightpaths |
Gagan Choudhury, Robert Duncan Doverspike, Guangzhi Li, John Lester Strand |
2012-04-03 |
$13,791,000 |
| 7948899 |
Method and apparatus for communications traffic engineering |
Seyhan Civanlar, Leonard L. Lu, Zhuangbo Tang |
2011-05-24 |
$18,226,000 |