[Teas] BCP 206, RFC 7926 on Problem Statement and Architecture for Information Exchange between Interconnected Traffic-Engineered Networks
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Subject: [Teas] BCP 206, RFC 7926 on Problem Statement and Architecture for Information Exchange between Interconnected Traffic-Engineered Networks
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A new Request for Comments is now available in online RFC libraries. BCP 206 RFC 7926 Title: Problem Statement and Architecture for Information Exchange between Interconnected Traffic-Engineered Networks Author: A. Farrel, Ed., J. Drake, N. Bitar, G. Swallow, D. Ceccarelli, X. Zhang Status: Best Current Practice Stream: IETF Date: July 2016 Mailbox: adrian@olddog.co.uk, jdrake@juniper.net, nbitar40@gmail.com, swallow@cisco.com, daniele.ceccarelli@ericsson.com, zhang.xian@huawei.com Pages: 67 Characters: 159905 See Also: BCP 206 I-D Tag: draft-ietf-teas-interconnected-te-info-exchange-07.txt URL: https://www.rfc-editor.org/info/rfc7926 DOI: http://dx.doi.org/10.17487/RFC7926 In Traffic-Engineered (TE) systems, it is sometimes desirable to establish an end-to-end TE path with a set of constraints (such as bandwidth) across one or more networks from a source to a destination. TE information is the data relating to nodes and TE links that is used in the process of selecting a TE path. TE information is usually only available within a network. We call such a zone of visibility of TE information a domain. An example of a domain may be an IGP area or an Autonomous System. In order to determine the potential to establish a TE path through a series of connected networks, it is necessary to have available a certain amount of TE information about each network. This need not be the full set of TE information available within each network but does need to express the potential of providing TE connectivity. This subset of TE information is called TE reachability information. This document sets out the problem statement for the exchange of TE information between interconnected TE networks in support of end-to-end TE path establishment and describes the best current practice architecture to meet this problem statement. For reasons that are explained in this document, this work is limited to simple TE constraints and information that determine TE reachability. This document is a product of the Traffic Engineering Architecture and Signaling Working Group of the IETF. BCP: This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC