802.1Qbe - Multiple I-SID Registration Protocol
The full title of this PAR is "IEEE Standard for Local and Metropolitan Area Networks---Virtual Bridged Local Area Networks - Amendment: Multiple Backbone Service Interface Identifier (I-SID) Registration Protocol (MIRP)".
This standard specifies protocols, procedures, and managed objects to support topology change signaling to alter the binding (held in an I-Component) of Customer addresses to Backbone addresses on a per-I-SID basis. This is accomplished by extending the use of the Multiple Registration Protocol (MRP).
MIRP provides the capabilities necessary when topology changes occur in networks attached to a Provider Backbone Bridged Network. A Backbone Edge Bridge (BEB) signals to other potentially affected BEBs the need to alter certain learned associations between Customer MAC Addresses and Backbone MAC Addresses. An access cloud that has an I-tagged connection to a Backbone network signals both its requirements for specific services, and topology change events in those services.
The deployment of IEEE Provider Backbone Bridged Networks, including I-tagged connections between these networks, has raised requirements for both signaling among Provider Edge Bridges the need to forget MAC address associations, and for extending the capabilities of MRP to backbone service identifiers. In the absence of MIRP, customer connections across a Provider Backbone Network can take several minutes to restore connectivity after a topology change in an access network.
| PAR | PAR approved Sep 11th, 2009 |
| Status | Standard approved Jun 16th, 2011. |
| Editor | Norm Finn |
| Date | Document |
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