H04L 45/021
Ensuring consistency of routing table updates
Official title: Ensuring consistency of routing table updates, e.g. by using epoch numbers
H04L45/021 (Ensuring consistency of routing table updates) appears on 706 US grants and 770 published applications in this corpus.
Search patents in H04L- Granted patents
- 706
- Published applications
- 770
- Assignees
- 220
- Inventors
- 1,417
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 4 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 5 |
| 2006 | 2 | 0 |
| 2007 | 3 | 4 |
| 2008 | 2 | 12 |
| 2009 | 8 | 18 |
| 2010 | 13 | 19 |
| 2011 | 18 | 21 |
| 2012 | 13 | 17 |
| 2013 | 16 | 21 |
| 2014 | 27 | 43 |
| 2015 | 36 | 37 |
| 2016 | 30 | 77 |
| 2017 | 49 | 71 |
| 2018 | 60 | 58 |
| 2019 | 78 | 59 |
| 2020 | 77 | 46 |
| 2021 | 50 | 62 |
| 2022 | 54 | 86 |
| 2023 | 53 | 24 |
| 2024 | 53 | 37 |
| 2025 | 37 | 20 |
| 2026 | 19 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Equal-cost multi-path (ECMP) routing with resiliency and consistent ordering18 Aug 2026US 12,712,802 B2Arista Networks, Inc.
- Application access method, cloud proxy component, node proxy component, device and medium18 Aug 2026US 12,712,803 B2Suzhou Metabrain Intelligent Technology Co., Ltd.
- Packet deduplication with epochs10 Sep 2026US 2026/0270189 A1NVIDIA Corporation
- Computing power routing searching method and apparatus, computing power network node and storage medium3 Sep 2026US 2026/0261504 A1Zte Corporation
- Fast Detection of a Node Failure in a Distributed Scheduled Fabric27 Aug 2026US 2026/0254748 A1Arista Networks, Inc.
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Most cited
By later US patents
- Method and apparatus for mitigating routing misbehavior in a network163US 8,141,156 B1AT&T Intellectual Property II, L. P. · 2012
- Managing routing information for tunnel endpoints in overlay networks149US 9,686,180 B2Cisco Technology, Inc. · 2017
- Virtual port channel bounce in overlay network148US 9,544,224 B2Cisco Technology, Inc. · 2017
- Network routing using link failure information105US 7,035,202 B2Juniper Networks, Inc. · 2006
- Method of reducing the amount of information included in topology database update messages in a data communications network102US 5,101,348 AInternational Business Machines Corporation · 1992