[CDNi] draft-ietf-cdni-request-routing-extensions-05 excludes IPv6 addresses, is that intentional?

Ben Niven-Jenkins <ben@niven-jenkins.co.uk> Mon, 09 September 2019 16:10 UTC

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Date: Mon, 09 Sep 2019 17:09:58 +0100
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Subject: [CDNi] draft-ietf-cdni-request-routing-extensions-05 excludes IPv6 addresses, is that intentional?
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CDNIers & authors of draft-ietf-cdni-request-routing-extensions

While reviewing draft-ietf-cdni-request-routing-extensions-05 in my role as designated expert for the CDNI Payload Types registry I noticed that draft-ietf-cdni-request-routing-extensions-05 specifies the DnsTarget of the Redirect Target Capability Object (section 2.1) as: “Target address for a DNS A record or CNAME record.” and the prose description in section 2 is consistent with that definition: "A redirect target for DNS redirection is an IP address used as an A record response or a FQDN used as an alias in a CNAME record response (see [RFC1034]) of the uCDN DNS router.”

Is there a reason that IPv6 addresses (AAAA records) are excluded from being allowed as DnsTargets, or is this an oversight?

Thanks
Ben