RE: ocean: do not boil

["Bound, Jim" <Jim.Bound@hp.com>]

agreed.  
/jim

> -----Original Message-----
> From: Tony Hain [mailto:alh-ietf@tndh.net]
> Sent: Monday, September 30, 2002 12:03 PM
> To: Bound, Jim; Rod.VanMeter@nokia.com; mrw@windriver.com;
> hesham.soliman@era.ericsson.se
> Cc: itojun@iijlab.net; v6ops@ops.ietf.org
> Subject: RE: ocean: do not boil 
> 
> 
> Jim Bound wrote:
> > ...
> > If the provider service is dominant IPv6 usage then the only 
> > reason to use Ipv4 are for services that have not been 
> > migrated to IPv6.  This is where DSTM brings its value.
> > 
> > It permits a network operator to:
> > 
> > 1: conserve and manage its precious IPv4 global address space
> > 2: control the use of IPv4 global address space per usage/service
> > 3: identify a migration of services and apps that must move to IPv6
> > 4: avoid the use of any NAT paradigm at the GGSN
> > 5. Use e2e security (e.g. IPsec) inherent on the handheld.
> > 6. Use IPv6 as the dominant routing protocol.
> > 
> > The above cannot be done with NAT-PT.  In addition
> > DSTM as a solution can be used only when needed and
> > does not require the routing complexity (except coming back 
> > into the GGSN) that 6to4 does.  But a variation of DSTM is 
> > also proposed that will use 6to4 if it is part of the DSTM.
> > 
> > DSTM not only is useful for 3G but 802.11 LANs, LMMs,
> > and WANs which I  see being deployed much faster and 
> > in fact currently and I see NO 3G deployment at this time.
> > So I am testing this with 802.11 as  a note and with handheld 
> > devices.  
> > 
> 
> Rod was correct, in the sense that for a basic 3G network a 
> demand IPv4
> PDP context provides the same functionality that DSTM provides to a
> routed IPv6 network. The point I think you are trying to make is that
> DSTM also works in wireless hot-spot networks, and for an 
> operator that
> is interested in a unified mechanism for handsets that roam 
> between the
> 802.11 & 3G radios, DSTM may be the best approach. If they really are
> locked into the point-to-point association between the GGSN & the
> handset, they could use L2TP as a companion mechanism when the radio
> drops the IPv4 PDP context. 
> 
> Tony
> 
> 
> 
>