Route determining method in a multi protocol label switching network
US7697437B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2002 |
| Grant date | Apr 13, 2010 |
| Priority date | — |
| Expiry date | Sep 18, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L45/24
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a method of determining at least one traffic route in an MPLS (Multi-Protocol Label Switching) network. In this route determining method, when a traffic is arrived at an ingress edge router, the edge router removes links of remaining capacity below the traffic demand from all links of a given MPLS network to produce the first network topology, calculates distance of every link of the first network topology based on current traffic flowing each link and the traffic demand, determines the first route for the traffic demand based on the calculated distance information; removes links of remaining capacity below the traffic demand and links belonging to the first route from the MPLS network to produce the second network topology, calculates every link distance of the second topology based on current traffic flowing each link and the traffic demand, determines the second route for the traffic demand based on the distance information obtained from the second topology, partitions the arrived traffic into two portions, and allocates the two portions to the first and the second route, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.