[v6ops] RFC6724 policy table for Multi-Homed Site

"Mudric, Dusan (Dusan)" <dmudric@avaya.com> Tue, 12 December 2017 18:54 UTC

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From: "Mudric, Dusan (Dusan)" <dmudric@avaya.com>
To: "v6ops@ietf.org" <v6ops@ietf.org>
Thread-Topic: [v6ops] RFC6724 policy table for Multi-Homed Site
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Date: Tue, 12 Dec 2017 18:54:16 +0000
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Subject: [v6ops] RFC6724 policy table for Multi-Homed Site
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Hi,

How is this candidate pair selected based on the policy table in https://tools.ietf.org/html/rfc6724#section-10.5 :

"   Candidate Source Addresses: 2001:db8:1aaa::a or 2001:db8:70aa::a or
   fe80::a
   Destination Address List: 2001:db8:1ccc::c or 2001:db8:6ccc::c
   New Result: 2001:db8:6ccc::c (src 2001:db8:70aa::a) then 2001:db8:
   1ccc::c (src 2001:db8:70aa::a) (longest matching prefix) "
This is 35 bit match.

Should not the longest prefix match give:
2001:db8:1ccc::c (src 2001:db8:1aaa::a), 37 bit match?

If this is not the longest prefix match, what should be in the policy table to give the resulting selection to Site C?

Thanks,
Dusan