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Re: [dhcwg] discussion about PD-Relay-route

Alexandru Petrescu <alexandru.petrescu@gmail.com> Wed, 25 September 2013 12:08 UTC

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Date: Wed, 25 Sep 2013 14:08:27 +0200
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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To: Leaf Yeh <leaf.yeh.sdo@gmail.com>
References: <489D13FBFA9B3E41812EA89F188F018E18654EE6@xmb-rcd-x04.cisco.com> <5212694A.6000807@gmail.com> <CAOv0Pi87akb24PaYJKPzK3+cfCr1DHDu-h2sF3HwTxBvzZC9+w@mail.gmail.com> <C2A9B74C-A52C-4605-824E-40E3E9C190E0@gmail.com> <52305986.2010503@gmail.com>, <FB56FE0A-9088-4040-BCE7-C69399D64171@employees.org> <ECD231FD-8D3F-4067-8BDE-AE567D96F6A7@cisco.com> <52306010.4090001@gmail.com> <5E91E9B8-6E22-46DD-A687-B4983BD0B508@gmail.com> <523f2fa3.c9ed440a.55a9.ffffc38e@mx.google.com> <52402AF3.8010407@gmail.com> <5240486E.20501@gmail.com> <52405701.9070506@gmail.com> <2CC893E4-7C48-4345-A40E-E2B3822C14ED@gmail.com> <5241951B.2070606@gmail.com> <5241b722.c467440a.7dd8.ffff8e3c@mx.google.com> <5241C0B6.9040200@gmail.com> <52428618.21ab440a.16d7.62d5@mx.google.com>
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Cc: dhcwg@ietf.org, 'Ralph Droms' <rdroms.ietf@gmail.com>
Subject: Re: [dhcwg] discussion about PD-Relay-route
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Here is a topology that is relevant for smartphones doing tethering (see 
the alternative 64share draft) and for vehicles doing Mobile Routers, 
and for 3GPP DHCPv6 Prefix Delegation.

              +------+------+  DHCPv6 Server
              |    DHCPv6   |
              |    Server   |
              |             |
              +------+------+
                     |
            _________|_________
           /                   \
          |  ISP Core Network   |
           \___________________/
                     |
                     |
                     |
                     |
              +------+------+
              |             |
              |    Access   |  DHCPv6 Relay Agent
              |    Router   |
              +------+------+
                     |        Cellular
                     |        Air Interface
                     |
            _________|_________
            ___________________
                     |
                     |
              +------+------+
              |    Mobile   |  DHCPv6 Client
              |    Router,  |  DHCPv6-PD Requesting Router
              |or smartphone|
              +------+------+
                     |
            _________|_________
            ___________________  WiFi
                     |
                     |
              +------+------+
              |   tablet    |
              +-------------+

Yours,

Alex
Le 25/09/2013 08:43, Leaf Yeh a écrit :
>               +------+------+  DHCPv6 Server
>               |    DHCPv6   |  (e.g. Binding entry:
>               |    Server   |        Relay=nfi-GUA#2,
>               |             |        Interface-ID=cfi#3,
>               +------+------+        Prefix Pool=2001:db8:1200::/40)
>                      |
>             _________|_________
>            /                   \
>           |  ISP Core Network   |
>            \___________________/
>                      |
>                      |
>                      |  Network-facing interface
>                      |         (e.g. IPv6 address=nfi-GUA#2)
>               +------+------+
>               |   Provider  |
>               |     Edge    |  DHCPv6 Relay Agent, DHCPv6 Requestor
>               |    Router   |
>               +------+------+
>                      |  Customer-facing interface
>                      |         (e.g. Interface-ID=cfi#3)
>                      |               Prefix Pool=2001:db8:1200::/40)
>             _________|_________
>            /                   \
>           |   Access Network    |
>            \___________________/
>                      |
>                      |
>               +------+------+
>               |   Customer  |  DHCPv6 Client
>               |     Edge    |  DHCPv6-PD Requesting Router
>               |    Router   |  (e.g. customer network
>               +------+------+        =2001:db8:1234:5600:/56)
>                      |
>             _________|_________
>            /                   \
>           |  Customer Network   |
>            \___________________/

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