A new Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Transparent Interconnection of Lots of Links Working Group of the IETF.
Title : TRILL Edge Directory Assistance Framework
Author(s) : L. Dunbar, et al
Filename : draft-ietf-trill-directory-framework
Pages : 14
Date : Oct. 22, 2012
Edge RBridges currently learn the mapping between MAC addresses and
their egress RBridges by observing the data packets traversed
through. When an ingress RBridge receives a data frame with its
destination address (MAC&VLAN) unknown, the data frame is flooded
within the VLAN across the TRILL campus. When there are more than
one RBridge ports connected to one bridged LAN, only one of them can
be designated as the Appointed Forwarder port for
forwarding/receiving native traffic to/from each VLAN, the other
RBridge ports on that LAN have to be disabled for native traffic in
that VLAN.
This draft describes the framework for using directory services to
assist edge RBridges by reducing multi-destination frames,
particularly unknown unicast frames flooding, and ARP/ND, improving
TRILL network scalability in environment, such as data centers.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-trill-directory-framework-01.txt
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ftp://ftp.ietf.org/internet-drafts/
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