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IPv6 RFC 改版の提案はなぜ議論紛糾したのか?

IPv6 RFC 改版の提案はなぜ議論紛糾したのか?

JANOG 39.5 の LT 発表資料です。rfc2460bis, rfc4291bis, rfc1981bis の IETF Last Call がなぜ議論紛糾したのか、論点をかんたんにまとめました。

Tomoyuki Sahara

April 14, 2017
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  1. ໰୊ͷจষ w సૹ࿏ͷϊʔυ ϧʔλ ͸֦ுϔομʹ͞ΘͬͪΌ μϝͱॻ͍ͯ͋ΔΑ͏ʹݟ͑Δ͕ʜ With one exception, extension

    headers are not processed by any node along a packet's delivery path, until the packet reaches the node (…) identified in the Destination Address field of the IPv6 header. draft-ietf-6man-rfc2460bis-08 4.
  2. *OUFSGBDF*% w *OUFSGBDF*%͸ *1WΞυϨεͷҰ෦෼ͷ͜ͱͰɺ ϦϯΫதͰΠϯλϑΣʔεΛಛఆ͢Δࣝผࢠ w ཁ͢Δʹʮ*1WΞυϨεͷԼͷํʯ 2.4.6. Link-Local IPv6

    Unicast Addresses (தུ) | 10 | | bits | 54 bits | 64 bits | +----------+-------------------------+----------------------------+ |1111111010| 0 | interface ID | +----------+-------------------------+----------------------------+
  3. ໰୊ͷจষ wۃΊͯ໌֬ʹʮϏοτ௕ͩʯͱ ॻ͍ͯ͋Δͷ͕ͩʜ the Interface ID of all unicast addresses,

    except those that start with the binary value 000, is required to be 64 bits long. draft-ietf-6man-rfc4291bis-07 2.4.