Spatial reuse and multi-point interconnection in bridge-interconnected ring networks
US7383354B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2002 |
| Grant date | Jun 3, 2008 |
| Priority date | — |
| Expiry date | Jan 4, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/4637
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A data communications network includes a ring configured for spatial reuse, such as a resilient packet ring. A first bridge is coupled to the ring and to an end station such as an interworking bridge or router. A second bridge coupled to the ring learns an association between the first bridge and the end station by monitoring packets originated in the network by the end station and sent on the ring by the first bridge. The second bridge learns the association by obtaining an identifier of the first bridge and an address of the end station from received packets. When the second bridge receives packets destined for the end station, the packets are forwarded as broadcast transmissions on the ring if the association between the first bridge and the end station has not yet been learned, and are forwarded as unicast transmissions to the first bridge on the ring if the association between the first bridge and the end station has been learned.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.