H04L 45/76
Routing in software-defined topologies
Official title: Routing in software-defined topologies, e.g. routing between virtual machines
H04L45/76 (Routing in software-defined topologies) appears on 514 US grants and 632 published applications in this corpus.
Search patents in H04L- Granted patents
- 514
- Published applications
- 632
- Assignees
- 188
- Inventors
- 1,387
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 6 |
| 2003 | 1 | 6 |
| 2004 | 3 | 12 |
| 2005 | 4 | 6 |
| 2006 | 9 | 11 |
| 2007 | 10 | 11 |
| 2008 | 11 | 9 |
| 2009 | 12 | 19 |
| 2010 | 22 | 23 |
| 2011 | 24 | 15 |
| 2012 | 15 | 11 |
| 2013 | 16 | 41 |
| 2014 | 26 | 11 |
| 2015 | 23 | 11 |
| 2016 | 26 | 21 |
| 2017 | 12 | 10 |
| 2018 | 12 | 12 |
| 2019 | 16 | 12 |
| 2020 | 15 | 10 |
| 2021 | 4 | 11 |
| 2022 | 18 | 40 |
| 2023 | 22 | 70 |
| 2024 | 57 | 108 |
| 2025 | 81 | 94 |
| 2026 | 69 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Identifying a loop in an external network6 Oct 2026US 12,756,656 B2Hewlett Packard Enterprise Development LP
- Hybrid cloud cellular network routing6 Oct 2026US 12,757,032 B2Boost SubcsriberCo L.L.C.
- Service function chaining parallelism and diversions29 Sep 2026US 12,750,313 B2Huawei Technologies Co., Ltd.
- Network address translation (NAT) hole punching over software-defined wide area networking (SD-WAN) for link quality selection of virtual private networking (VPN) tunnels29 Sep 2026US 12,750,314 B2Fortinet, Inc.
- High availability of host data path with tunneling in software defined networks15 Sep 2026US 12,739,164 B2Microsoft Technology Licensing, LLC
- Route Forwarding Processing Method and Apparatus, Storage Medium, and Electronic Device1 Oct 2026US 2026/0303395 A1Zte Corporation
- Distributed Software Defined Network Architecture24 Sep 2026US 2026/0291867 A1Google Inc.
- Reducing packet loss associated with endpoint location changes17 Sep 2026US 2026/0281027 A1Red Hat, Inc.
- Virtual Local Area Network (VLAN) Support, Including Private VLAN (PVLAN) Support In Association With Media Access Control (MAC) Based VLAN Assignment17 Sep 2026US 2026/0281031 A1Arista Networks, Inc.
- Multi-tenanted service fabric through sdwan30 Jul 2026US 2026/0222335 A1Cisco Technology, Inc.
Most cited
By later US patents
- Methods and apparatus for routing between virtual resources based on a routing location policy510US 8,054,832 B1Juniper Networks, Inc. · 2011
- Providing virtual networking functionality for managed computer networks407US 8,644,188 B1Amazon Technologies, Inc. · 2014
- Virtual network in server farm338US 7,802,000 B1VMware, Inc. · 2010
- Onion routing network for securely moving data through communication networks335US 6,266,704 B1The United States of America as represented by the Secretary of the Navy · 2001
- Distributed network subnet259US 9,055,000 B1Juniper Networks, Inc. · 2015