Transmission of IPv6 Packets over Near Field Communication
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1 Transmission of IPv6 Packets over Near Field Communication draft-ietf-6lo-nfc-05 Y-H. Choi, Y-G. Hong (ETRI), J-S. Youn (DONG-EUI Univ.), D-K. Kim (KNU) J-H. Choi (Samsung) 6lo WG 97 Seoul, Rep. of Korea
2 What is Near Field Communication (NFC)? NFC technology enables (Source: NFC Forum) simple and safe two-way interactions between electronic devices, allowing consumers to perform contactless transactions, access digital content, and connect electronic devices with a single touch. NFC Functions (Source: NFC forum) 2
3 History and Status WG document: draft-ietf-6lo-nfc-00 (Mar 03, 2015) Update Stateless address autoconfiguration (RFC7136) 1 st Revision: draft-ietf-6lo-nfc-01 (July 05, 2015) MAC PDU size and MTU SLAAC and IPv6 link local address Fragmentation and Reassembly 2 nd Revision: draft-ietf-6lo-nfc-02 (Oct. 17, 2015) Dispatch Header (added) Header Compression (modified for GHC) 3 rd Revision : draft-ietf-6lo-nfc-03 (Apr. 07, 2016) Some typos fixed Section 7. Security Considerations 4 th Revision : draft-ietf-6lo-nfc-04 (Jul. 08, 2016) Section 3.2. a NFC FAR-related sentence updated Section 4. a typo fixed Section 4.2. Related to multi-hop topologies 5 th Revision : draft-ietf-6lo-nfc-05 (Oct. 11, 2016) Feedback from NFC forum IID generation (feedback from Dave) 3
4 Updates since the IETF96 (1/3) Resolution of Feedback from NFC Forum Clear separation required between Generation of IPv6 related information Mapping of IPv6 information into LLCP PDUs (Resolution) NOT required in this document. Only LLCP info. (e.g., address) is required. Adaptation layer does not give any info. into the LLCP PDUs. It should not repeat structural information from the LLCP specification Section 3.4, I PDU formats & Extension option format (Resolution) deleted The use of DSAP/SSAP is unclear Section 3.3, about DSAP/SSAP (Resolution) revised according to the spec LLCP-1.3 (latest version) Section 4.2, a simple multi-hop (Resolution) deleted Section 4.3, the DSAP/SSAP value ranges (Resolution) revised according to the spec LLCP-1.3 (latest version) 4
5 Updates since the IETF96 (2/3) Resolution of Feedback from NFC Forum (cont d) MTU extension in NFC link Section 4.8, It cannot be assumed that current devices supports a Link MIU size of 1280 bytes why the connection for the transfer of IPv6 packets cannot rely on this MIU size. (Resolution) the related texts revised. A sentence, The default is 128 bytes, but if extensive, MIUX is used and FAR does not required. is added. Examples of topology and application Section 5.2, 3 or more devices can be touched to play multi-channel music is not appear to be practical (Resolution) this could not be practical because NFC link does not consider multi-hop forwarding, but this is a possible example in ipv6-over-nfc, the related texts are revised. 5
6 Updates since the IETF96 (3/3) IID generation & the others (feedback from Dave) Almost all comments are editorial and related to grammar. (Resolution) all the comments are reflected Short lifetime of NFC s link & the same IID lasting in multi-touch Section 4.3, IID generated, by using 6-bit NFC link ID and 0 padding (-04) The comment: this could be targeted by attacks (e.g., address scanning) short lifetime of NFC s link (resolution) IID format and texts are revised the same IID lasting in multi-touch (resolution) 6-bit NFC link id is logical value 6
7 Others Technical Review Request to NFC Forum (28/05/2015) Firstly Informed IPv6 over NFC in IETF 6lo working group (09/05/2016) request for technical review of draft-ietf-6lo-nfc Issues IID generation by using NFC node ID MTU extension of NFC Link Layer NO liaison process between NFC Forum and IETF (11/05/2016) BoD meeting (of NFC Forum) discussed the review request Replied: (conf-call & F2F meeting) with Technical committee (15/06/2016) NFC Forum Member meeting Decided to accept the review request (04/07/2016) request for the discussion results (by ) (08/08/2016) request again for the discussion results (by ) (19/08/2016) received Feedback from NFC Forum (by ) (12/10/2016) resolution of Feedback to NFC Forum (by ) No more comments from NFC forum so far 7
8 Next Step Ready for WGLC? 8
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Internetwork Protocols Background to IP IP, and related protocols Internetworking Terms (1) Communications Network Facility that provides data transfer service An internet Collection of communications
Verizon C. Perkins Futurewei December 15, 2017
6lo Internet-Draft Updates: 6775 (if approved) Intended status: Standards Track Expires: June 18, 2018 P. Thubert, Ed. cisco E. Nordmark S. Chakrabarti Verizon C. Perkins Futurewei December 15, 2017 Abstract