Re: straw poll on issue 20 (selection ipsec sa addresses andwho decides)

I prefer option 3.

            jak

----- Original Message ----- 
From: "Jari Arkko" <[email protected]>
To: "MOBIKE Mailing List" <[email protected]>
Sent: Wednesday, May 18, 2005 5:12 AM
Subject: [Mobike] straw poll on issue 20 (selection ipsec sa addresses
andwho decides)


>
> Folks,
>
> At IETF-62 and on the list we discussed this issue
> that relates to what (outer) addresses are selected for the IPsec
> SAs, and who decides these addresses, the initiator, both peers,
> etc.
>
> This is a central question for the design of the mobike protocol,
> as it is hard to design further details without knowing the
> what we decide here. For this reason I'd like us to do a straw poll
> on what alternative people feel most comfortable with. The
> alternatives are discussed in
>
>   http://www.vpnc.org/ietf-mobike/issue20.txt
>
> in more detail, but essentially its a question of
> the following choice:
>
>   Option 1: "MOBIKE just informs the peer of our addresses; how
>   they get used is a matter of local policy beyond our scope."
>
>   Option 2: "Use the preferred/primary address"
>
>   Option 3: "Initiator decides"
>
>   Option 4: "Use the preferred/primary address if possible"
>
>   Option 5: "Peers decide the source addresses independently"
>
> (There are potential other variants of design but these
> seem to be the main ones, or at least the current concrete
> proposals for the MOBIKE protocol are covered above.)
>
> Please make your opinion, along with its justifications,
> known by May 25th.
>
> --Jari
>
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