The IESG has received a request from the Content Delivery Networks Interconnection WG (cdni) to consider the following document: - 'CDNI Request Routing: Footprint and Capabilities Semantics' <draft-ietf-cdni-footprint-capabilities-semantics-17.txt> as Proposed Standard This is a Second IETF LC, because the document status changed from Informational to 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 2016-05-12. 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 This document captures the semantics of the "Footprint and Capabilities Advertisement" part of the CDNI Request Routing interface, i.e., the desired meaning of "Footprint" and "Capabilities" in the CDNI context, and what the "Footprint and Capabilities Advertisement Interface (FCI)" offers within CDNI. The document also provides guidelines for the CDNI FCI protocol. It further defines a Base Advertisement Object, the necessary registries for capabilities and footprints, and guidelines on how these registries can be extended in the future. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-cdni-footprint-capabilities-semantics/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-cdni-footprint-capabilities-semantics/ballot/ The following IPR Declarations may be related to this I-D: https://datatracker.ietf.org/ipr/2656/