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

<co-chair hat on>

At 3:12 PM +0300 5/18/05, Jari Arkko wrote:
>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.

I hope everyone in the WG noted that sentence. We are able to go 
ahead with the little input we have gotten so far, but it would be 
much better if we hear from many more people.

>  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.

That would be tomorrow, at least in my geographic location.

--Paul Hoffman, Director
--VPN Consortium