Hi Ted,
It is out of scope of the document to specify solutions but to enumerate the
set of cases where issues will be encountered. The use cases identified so far
are not specific to a given administrative domain as captured in
http://tools.ietf.org/html/draft-boucadair-intarea-host-identifier-scenarios-04#section-4.2
+-------------------+------+-------------+-----------------------+
| Use Case | IPv4 | IPv6 | Single Administrative |
| | |------+------| Domain |
| | |Client|Server| |
+-------------------+------+------+------+-----------------------+
| CGN | Yes |Yes(1)| No | No |
| A+P | Yes | No | No | No |
| Application Proxy | Yes |Yes(2)|Yes(2)| No |
| Provider Wi-Fi | Yes | No | No | Yes |
| PCC | Yes |Yes(1)| No | Yes |
| Femtocells | Yes | No | No | No |
| Cellular Networks | Yes |Yes(1)| No | Yes |
| Overlay Networks | Yes |Yes(3)|Yes(3)| No |
| Emergency Calls | Yes | Yes |Yes | No |
| TDF | Yes | Yes | No | Yes |
| FMC | Yes |Yes(1)| No | No |
Given these use cases, operational considerations such as the performance
impact induced by a solution to convey host_id should be taken into account.
These impacts are solution-specific an deployment-sceptic.
For cases where functional elements belonging to several administrative domains
are involved, standardized means are key.
Cheers,
Med
>-----Message d'origine-----
>De : hiaps [mailto:hiaps-boun...@ietf.org] De la part de Ted Lemon
>Envoyé : jeudi 6 mars 2014 19:13
>À : Brian E Carpenter
>Cc : Joel Jaeggli; hi...@ietf.org; Internet Area; draft-boucadair-intarea-
>host-identifier-scenar...@tools.ietf.org
>Objet : Re: [hiaps] [Int-area] request to consider sponsoring
>http://tools.ietf.org/html/draft-boucadair-intarea-host-identifier-
>scenarios-04
>
>It also seems doubtful that this would be useful outside the carrier
>network, since service providers would have to implement it and middleboxes
>would have to support it, neither of which is something we can depend on.
>Inside of the carrier network, solutions like A+P at the very least are
>quite easy to track algorithmically, so this solution is overkill.
>
>And of course I agree with all the points you made, Brian.
>
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