Signaling methods for telecommunicaton system for exchanging frames over ethernet interfaces and devices for implementing such methods
US7864789B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2002 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Jul 17, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/4625
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A platform is connected over a synchronous network using a GFP encapsulation scheme to a provider device having a first Ethernet interface with a customer device, said platform being arranged for exchanging tagged frames including a virtual LAN identifier (VID) with a service unit over a second Ethernet interface. If an error condition is detected at a GFP port of the platform, a correspondence is retrieved between said GFP port and a VID and a deregistration message including said VID is forwarded to the service unit. If an error condition is detected at the second Ethernet interface responsive to reception of a deregistration message including a VID from the service unit, a correspondence is retrieved between said VID and a GFP port and said deregistration message is forwarded through said GFP port to the provider device in a GFP error message. When several Ethernet interfaces concentrated by a bridge face the provider device, another VID is taken into account in the correspondence retrieving.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.