The IESG has received a request from the Path Computation Element WG (pce) to consider the following document: - 'Unanswered Questions in the Path Computation Element Architecture' <draft-ietf-pce-questions-06.txt> as Informational RFC 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 2014-07-01. 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 The Path Computation Element (PCE) architecture is set out in RFC 4655. The architecture is extended for multi-layer networking with the introduction of the Virtual Network Topology Manager (VNTM) in RFC 5623, and generalized to Hierarchical PCE (H-PCE) in RFC 6805. These three architectural views of PCE deliberately leave some key questions unanswered especially with respect to the interactions between architectural components. This document draws out those questions and discusses them in an architectural context with reference to other architectural components, existing protocols, and recent IETF work efforts. This document does not update the architecture documents and does not define how protocols or components must be used. It does, however, suggest how the architectural components might be combined to provide advanced PCE function. The file can be obtained via http://datatracker.ietf.org/doc/draft-ietf-pce-questions/ IESG discussion can be tracked via http://datatracker.ietf.org/doc/draft-ietf-pce-questions/ballot/ No IPR declarations have been submitted directly on this I-D.
