H04L 45/12
Shortest path evaluation
H04L45/12 (Shortest path evaluation) appears on 5,231 US grants and 5,764 published applications in this corpus.
Search patents in H04L- Granted patents
- 5,231
- Published applications
- 5,764
- Assignees
- 1,281
- Inventors
- 9,476
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 17 | 0 |
| 2001 | 19 | 9 |
| 2002 | 24 | 62 |
| 2003 | 25 | 76 |
| 2004 | 50 | 79 |
| 2005 | 38 | 107 |
| 2006 | 58 | 125 |
| 2007 | 51 | 133 |
| 2008 | 93 | 169 |
| 2009 | 101 | 197 |
| 2010 | 178 | 203 |
| 2011 | 186 | 197 |
| 2012 | 212 | 215 |
| 2013 | 217 | 216 |
| 2014 | 252 | 274 |
| 2015 | 278 | 347 |
| 2016 | 304 | 357 |
| 2017 | 326 | 298 |
| 2018 | 306 | 268 |
| 2019 | 328 | 305 |
| 2020 | 335 | 363 |
| 2021 | 332 | 342 |
| 2022 | 342 | 403 |
| 2023 | 356 | 335 |
| 2024 | 349 | 267 |
| 2025 | 280 | 251 |
| 2026 | 142 | 166 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 45/123Evaluation of link metrics1,305
- H04L 45/125Based on throughput or bandwidth1,070
- H04L 45/122By minimising distances883
- H04L 45/121By minimising delays826
- H04L 45/124Using a combination of metrics771
- H04L 45/126Minimising geographical or physical path length213
- H04L 45/127Based on intermediate node capabilities212
- H04L 45/128For finding disjoint paths204
Recent patents
- System and method for facilitating dynamic command management in a network interface controller (NIC)6 Oct 2026US 12,754,857 B2Hewlett Packard Enterprise Development LP
- Link power management protocol for connected network devices6 Oct 2026US 12,756,661 B2Hewlett Packard Enterprise Development LP
- Calculating and utilizing power metrics for connected network devices6 Oct 2026US 12,756,662 B2Hewlett Packard Enterprise Development LP
- Systems and methods for increasing network resource utilization in link aggregation group (LAG) deployments29 Sep 2026US 12,750,299 B2Dell Products L. P.
- FPGA neighbor output mux direct connections to minimize routing hops29 Sep 2026US 12,750,302 B2Efinix, Inc.
- Dual-stage packet routing8 Oct 2026US 2026/0312899 A1Mellanox Technologies, Ltd.
- Network node and terminal1 Oct 2026US 2026/0303514 A1Ntt Docomo, Inc.
- Dynamic skills-based routing in a network of artificial intelligence agents via network routing protocols24 Sep 2026US 2026/0291847 A1Cisco Technology, Inc.
- Information processing system24 Sep 2026US 2026/0291851 A1Toyota Jidosha Kabushiki Kaisha
- User-preference based user-specific routing data generation24 Sep 2026US 2026/0291852 A1International Business Machines Corporation
Most cited
By later US patents
- Methods and systems for a mobile, broadband, routable internet582US 8,060,017 B2Powerwave Cognition, Inc. · 2011
- Wireless network system and method for providing same525US 6,044,062 ACommUnique, LLC · 2000
- Wireless network gateway and method for providing same420US 6,249,516 B12001
- Geo-spacial Internet protocol addressing419US 6,236,652 B1Airbiquity Inc. · 2001
- Method and apparatus for determining latency between multiple servers and a client417US 7,058,706 B1Akamai Technologies, Inc. · 2006