H04L 45/04
Interdomain routing
Official title: {Interdomain routing, e.g. hierarchical routing}
H04L45/04 (Interdomain routing) appears on 3,570 US grants and 3,719 published applications in this corpus.
Search patents in H04L- Granted patents
- 3,570
- Published applications
- 3,719
- Assignees
- 745
- Inventors
- 5,938
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 21 | 0 |
| 1999 | 3 | 0 |
| 2000 | 25 | 0 |
| 2001 | 22 | 17 |
| 2002 | 35 | 61 |
| 2003 | 38 | 125 |
| 2004 | 51 | 93 |
| 2005 | 44 | 122 |
| 2006 | 70 | 158 |
| 2007 | 48 | 142 |
| 2008 | 95 | 154 |
| 2009 | 143 | 131 |
| 2010 | 189 | 155 |
| 2011 | 185 | 122 |
| 2012 | 152 | 148 |
| 2013 | 153 | 139 |
| 2014 | 158 | 152 |
| 2015 | 163 | 139 |
| 2016 | 172 | 144 |
| 2017 | 141 | 135 |
| 2018 | 116 | 142 |
| 2019 | 163 | 169 |
| 2020 | 220 | 193 |
| 2021 | 211 | 244 |
| 2022 | 223 | 208 |
| 2023 | 196 | 223 |
| 2024 | 202 | 170 |
| 2025 | 164 | 143 |
| 2026 | 105 | 90 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for advertising processing capability of network device, device, and system6 Oct 2026US 12,756,658 B2Huawei Technologies Co., Ltd.
- Method and system of overlay flow control29 Sep 2026US 12,750,290 B2VeloCloud Networks, LLC
- Method for preventing blackholing of traffic during partial failures in ethernet virtual private network data center interconnect multihoming networks29 Sep 2026US 12,750,301 B2Arista Networks, Inc.
- Intent-based orchestration of routing controls across a network overlay29 Sep 2026US 12,750,310 B2Cisco Technology, Inc.
- Broadcast traffic forwarding at a stitching border network device15 Sep 2026US 12,739,191 B2Hewlett Packard Enterprise Development LP
- BGP Route Filtering Using Peer Tags1 Oct 2026US 2026/0303511 A1Arista Networks, Inc.
- Communication system and method of wireless communication in hierarchical communication network1 Oct 2026US 2026/0303512 A1Peltbeam Inc.
- Configuring switches in a network fabric1 Oct 2026US 2026/0303548 A1Oracle International Corporation
- Local preference value based on cluster switchover quantity24 Sep 2026US 2026/0291848 A1Juniper Networks, Inc.
- Self-service border gateway protocol (bgp) instantiation24 Sep 2026US 2026/0291849 A1Level 3 Communications, LLC
Most cited
By later US patents
- Method and apparatus for making a cluster of computers appear as a single host on a network741US 5,371,852 AInternational Business Machines Corporation · 1994
- Distributed connection-oriented services for switched communications networks673US 5,825,772 ACabletron Systems, Inc. · 1998
- Routing and mobility management protocols for ad-hoc networks509US 6,304,556 B1Cornell Research Foundation, Inc. · 2001
- Radio frequency local area network481US 5,295,154 ANorand Corporation · 1994
- Adaptive routing system and method for QOS packet networks456US 6,594,268 B1Lucent Technologies Inc. · 2003