A new Request for Comments is now available in online RFC libraries. RFC 8163 Title: Transmission of IPv6 over Master-Slave/Token-Passing (MS/TP) Networks Author: K. Lynn, Ed., J. Martocci, C. Neilson, S. Donaldson Status: Standards Track Stream: IETF Date: May 2017 Mailbox: kerlyn@ieee.org, jpmartocci@sbcglobal.net, cneilson@deltacontrols.com, stuart.donaldson@honeywell.com Pages: 27 Characters: 55845 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-6lo-6lobac-08.txt URL: https://www.rfc-editor.org/info/rfc8163 DOI: 10.17487/RFC8163 Master-Slave/Token-Passing (MS/TP) is a medium access control method for the RS-485 physical layer and is used primarily in building automation networks. This specification defines the frame format for transmission of IPv6 packets and the method of forming link-local and statelessly autoconfigured IPv6 addresses on MS/TP networks. This document is a product of the IPv6 over Networks of Resource-constrained Nodes Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. 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