Method and system for fast and large-scale longest prefix matching
US9729669B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2012 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Aug 6, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/7453
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Various exemplary embodiments relate to a method and related network node including one or more of the following: receiving, at the first network device, a message to be forwarded; determining a destination address for the message; determining whether the destination address is assigned to the first network device; if the destination address is not assigned to the first network device, querying a second network device for a next hop of the destination address; receiving, in response to the query, an indication of the next hop for the destination address; and forwarding, by the first network device in response to the indication of the next hop, the message to the next hop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.