Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201820 | Segment routing in MPLS network | Haoyu Song, Zhenbin Li, James N. Guichard, Stewart Frederick Bryant, Andrew G. Malis | 2021-12-14 |
| 11063817 | In-situ OAM trace type extension with cascade bitmap and segment in-situ OAM | Haoyu Song | 2021-07-13 |
| 10917502 | Method for using metadata in internet protocol packets | Haoyu Song, Andrew G. Malis, Stewart Frederick Bryant | 2021-02-09 |