The IESG has received a request from the Transparent Interconnection of Lots of Links WG (trill) to consider the following document: - 'TRILL: Data Label based Tree Selection for Multi-destination Data' <draft-ietf-trill-tree-selection-04.txt> as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2016-07-01. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract TRILL uses distribution trees to deliver multi-destination frames. Multiple trees can be used by an ingress RBridge for flows regardless of the VLAN, Fine Grained Label (FGL), and/or multicast group of the flow. Different ingress RBridges may choose different distribution trees for TRILL Data packets in the same VLAN, FGL, and/or multicast group. To avoid unnecessary link utilization, distribution trees should be pruned based on VLAN and/or FGL and/or multicast destination address. If any VLAN, FGL, or multicast group can be sent on any tree, for typical fast path hardware, the amount of pruning information is multiplied by the number of trees, but there is a limited hardware capacity for such pruning information. This document specifies an optional facility to restrict the TRILL Data packets sent on particular distribution trees by VLAN, FGL, and/or multicast group thus reducing the total amount of pruning information so that it can more easily be accommodated by fast path hardware. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-trill-tree-selection/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-trill-tree-selection/ballot/ The following IPR Declarations may be related to this I-D: https://datatracker.ietf.org/ipr/2584/
