RFC 7596 on Lightweight 4over6: An Extension to the Dual-Stack Lite Architecture
rfc-editor@rfc-editor.org Fri, 31 July 2015 00:40 UTC
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Subject: RFC 7596 on Lightweight 4over6: An Extension to the Dual-Stack Lite Architecture
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A new Request for Comments is now available in online RFC libraries. RFC 7596 Title: Lightweight 4over6: An Extension to the Dual-Stack Lite Architecture Author: Y. Cui, Q. Sun, M. Boucadair, T. Tsou, Y. Lee, I. Farrer Status: Standards Track Stream: IETF Date: July 2015 Mailbox: yong@csnet1.cs.tsinghua.edu.cn, sunqiong@ctbri.com.cn, mohamed.boucadair@orange.com, tena@huawei.com, yiu_lee@cable.comcast.com, ian.farrer@telekom.de Pages: 22 Characters: 47038 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-softwire-lw4over6-13.txt URL: https://www.rfc-editor.org/info/rfc7596 DOI: http://dx.doi.org/10.17487/RFC7596 Dual-Stack Lite (DS-Lite) (RFC 6333) describes an architecture for transporting IPv4 packets over an IPv6 network. This document specifies an extension to DS-Lite called "Lightweight 4over6", which moves the Network Address and Port Translation (NAPT) function from the centralized DS-Lite tunnel concentrator to the tunnel client located in the Customer Premises Equipment (CPE). This removes the requirement for a Carrier Grade NAT function in the tunnel concentrator and reduces the amount of centralized state that must be held to a per-subscriber level. In order to delegate the NAPT function and make IPv4 address sharing possible, port-restricted IPv4 addresses are allocated to the CPEs. This document is a product of the Softwires 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/rfc.html 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