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Default Address Selection for IPv6

Default Address Selection for IPv6. draft-ietf-ipngwg-default-addr-select-05. Brian Zill channeling Richard Draves August 10th, 2001 IETF 51 IPv6 WG Meeting. Source Address Selection and Destination Address Ordering.

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Default Address Selection for IPv6

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  1. Default Address Selection for IPv6 draft-ietf-ipngwg-default-addr-select-05 Brian Zill channeling Richard DravesAugust 10th, 2001 IETF 51 IPv6 WG Meeting

  2. Source Address Selection and Destination Address Ordering • Automatically pick “reasonable” source and destination addresses for interoperability • Minimal requirement for all implementations • Configuration/policy is possible • NOT just for multi-homing • Complement other multi-homing approaches

  3. Changes made in -05 • Clarification of candidate set formation for routers • Added explanatory text about candidate sets • Replaced usage of scope id with zone index • Augmented the first destination address selection rule

  4. Open Issue – Interface Preferences • Would like to be able to prefer certain interfaces in specific situations • Example: • Two machines which are both on the same native IPv6 subnet as well as an ISATAP (or 6over4) subnet. • Solution: • Prefer native interfaces over non-native? • Arbitrary interface preferences?

  5. Open Issue – Destination Rule #1 • Current text is confusing • Want to convey that implementations should avoid destination addresses that are presently known to be unreachable • Don’t mean to convey that implementations should actively determine reachability before ordering

  6. Where are we now? • Draft went through working group last call • 04 draft addressed last call issues • 05 draft addressed interim meeting issues • 06 draft in progress • Rough consensus at Interim Meeting • Keep on standards track • Author would like to move towards PS

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