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Checking references for intended status: Informational ---------------------------------------------------------------------------- ** Obsolete normative reference: RFC 2460 (Obsoleted by RFC 8200) Summary: 1 error (**), 0 flaws (~~), 1 warning (==), 1 comment (--). Run idnits with the --verbose option for more detailed information about the items above. -------------------------------------------------------------------------------- 2 6lo Working Group R. Droms 3 Internet-Draft P. Duffy 4 Intended status: Informational Cisco 5 Expires: October 20, 2016 April 18, 2016 7 Assignment of an Ethertype for IPv6 with LoWPAN Encapsulation 8 draft-ietf-6lo-ethertype-request-00 10 Abstract 12 When carried over layer 2 technologies such as Ethernet, IPv6 13 datagrams using LoWPAN encapsulation as defined in RFC 4944 must be 14 identified so the receiver can correctly interpret the encoded IPv6 15 datagram. This document requests the assignment of an Ethertype for 16 that purpose. 18 Status of This Memo 20 This Internet-Draft is submitted in full conformance with the 21 provisions of BCP 78 and BCP 79. 23 Internet-Drafts are working documents of the Internet Engineering 24 Task Force (IETF). Note that other groups may also distribute 25 working documents as Internet-Drafts. The list of current Internet- 26 Drafts is at http://datatracker.ietf.org/drafts/current/. 28 Internet-Drafts are draft documents valid for a maximum of six months 29 and may be updated, replaced, or obsoleted by other documents at any 30 time. It is inappropriate to use Internet-Drafts as reference 31 material or to cite them other than as "work in progress." 33 This Internet-Draft will expire on October 20, 2016. 35 Copyright Notice 37 Copyright (c) 2016 IETF Trust and the persons identified as the 38 document authors. All rights reserved. 40 This document is subject to BCP 78 and the IETF Trust's Legal 41 Provisions Relating to IETF Documents 42 (http://trustee.ietf.org/license-info) in effect on the date of 43 publication of this document. Please review these documents 44 carefully, as they describe your rights and restrictions with respect 45 to this document. Code Components extracted from this document must 46 include Simplified BSD License text as described in Section 4.e of 47 the Trust Legal Provisions and are provided without warranty as 48 described in the Simplified BSD License. 50 1. Introduction 52 The IETF has defined a format for IPv6 [RFC2460] datagram 53 encapsulation [RFC4944] ("LoWPAN encapsulation"). This document 54 regards any IPv6 datagram using the Dispatch octet as defined in 55 section 5.1 of RFC 4944 to be using LoWPAN encapsulation. LoWPAN 56 encapsulation as defined in RFC 4944 has been updated by [RFC6282], 57 and may be extended and modified by future IETF standards document. 58 The intended layer 2 technology for IPv6 datagrams using LoWPAN 59 encapsulation as originally defined is [IEEE.802.15.4_2011], which 60 does not provide for a protocol switch in its layer 2 headers. 62 There is interest in carrying IPv6 datatgrams over layer 2 63 technologies that do include a protocol switch field: 65 o Usage of LoWPAN encapsulation in conjunction with IEEE 802.15.9 66 Multiplexed Data Service [IEEE802159], which provides the ability 67 to perform upper layer protocol dispatch for IEEE 802.15.4 68 networks. Wi-SUN Alliance intends to use the 15.9 Multiplexed 69 Data Information Element to dispatch LoWPAN encapsulation frames 70 to upper stack layers. As specified in IEEE 802.15.9, dispatch of 71 LoWPAN encapsulation frames will require an Ethertype be assigned 72 for LoWPAN encapsulation. 74 o LoWPAN encapsulation will likely be needed for WiFi Alliance's 75 HaLoW [HALOW] standard (low power operation in the 900 MHz band) 77 o Other layer 2 technologies such as Ethernet and debugging tools 78 such as Wireshark require a unique protocol type field for LoWPAN 79 encapsulation to properly interpret IPv6 datagrams that use LoWPAN 80 encapsulation. 82 2. Request to IEEE for assignment of an Ethertype 84 When this document is published, the IETF will formally submit a 85 request to IEEE for assignment of an Ethertype for IPv6 datagrams 86 using LoWPAN encapsulation. 88 3. IANA Considerations 90 This memo includes no request to IANA. 92 4. Security Considerations 94 This document is intended only to request assignment of an Ethertype 95 for IPv6 datagrams using LoWPAN encapsulation. It has no incremental 96 implications for security beyond those in the relevant protocols. 98 5. Normative References 100 [HALOW] Wi-Fi Alliance, "Wi-Fi HaLow", 101 http://www.wi-fi.org/discover-wi-fi/wi-fi-halow . 103 [IEEE.802.15.4_2011] 104 IEEE, "IEEE Standard for Local and metropolitan area 105 networks--Part 15.4: Low-Rate Wireless Personal Area 106 Networks (LR-WPANs)", IEEE 802.15.4-2011, 107 DOI 10.1109/ieeestd.2011.6012487, September 2011, 108 . 111 [IEEE802159] 112 IEEE, "IEEE Draft Recommended Practice for Transort of Key 113 Management Protocol (KMP) Datagrams", IEEE P802.15.9/D04, 114 May 2015. 116 [RFC2460] Deering, S. and R. Hinden, "Internet Protocol, Version 6 117 (IPv6) Specification", RFC 2460, DOI 10.17487/RFC2460, 118 December 1998, . 120 [RFC4944] Montenegro, G., Kushalnagar, N., Hui, J., and D. Culler, 121 "Transmission of IPv6 Packets over IEEE 802.15.4 122 Networks", RFC 4944, DOI 10.17487/RFC4944, September 2007, 123 . 125 [RFC6282] Hui, J., Ed. and P. Thubert, "Compression Format for IPv6 126 Datagrams over IEEE 802.15.4-Based Networks", RFC 6282, 127 DOI 10.17487/RFC6282, September 2011, 128 . 130 Authors' Addresses 132 Ralph Droms 133 Cisco 134 55 Cambridge Parkway 135 Cambridge, Massachusetts 136 US 138 Phone: +1 617 621 1904 139 Email: rdroms.ietf@gmail.com 140 Paul Duffy 141 Cisco 142 1414 Massachusetts Ave. 143 Boxborough, Massachusetts 01719 144 US 146 Phone: +1 978 204 9993 147 Email: paduffy@cisco.com