Re: [RAM] The mapping problem: rendezvous points?

Hi,

On Wed, May 09, 2007 at 10:28:05AM -0700, Tony Li wrote:
> >Mobility incents _some_ hosts to change... but just the ones that are
> >mobile.
> 
> I heard that something like 60% of all computers being sold today are  
> laptops.  Given WiFi, EVDO, WiMax, etc., I would think that the host  
> would want to make the best possible use of mobility.  And fixing 60%  
> of the systems out there seems like incentive.

The question is "what do you gain by IP (host) mobility"?

I see "session survivalibility", which means "geeks can open an SSH 
connection to $somewhere, and their SSH will survive them roaming into
a different network".

OTOH: how many non-geeks have long-running TCP sessions anywhere, and
would even notice that they have kept their endpoint address?

Non-Geeks tend to do web surfing (short-lived), company VPN'ing (will
reconnect if the local address changes), e-mailing (short-lived, usually
accompanied by explicit authentication), and maybe voip (would need to
re-register, and the ongoing call is lost when actively walking around 
with your notebook pressed to your ear).

Mobile IPv6 aka "VoIP connections survive roaming about" sounds like
a good plan for when we have omnipresent IP connectivity without having
to manually login to all these different access points - but this is some
distant future, at least over here.  Which is why there might not be so
much demand...

Gert Doering
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