Brian,

Agree.  The entire issue of scoping will need to be added to the
infrastructure for sure.

thanks
/jim

> -----Original Message-----
> From: Brian Haberman [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, March 19, 2002 8:22 AM
> To: Bound, Jim
> Cc: [EMAIL PROTECTED]; IPng List
> Subject: Re: Dual stack routers
> 
> 
> Jim,
>      I agree with your assessment.  It is essentially the way I have
> integrated IPv6 into an IPv4 system.  One point to keep in mind though
> is how to support site-scoped addresses in this model.  The 
> route table
> needs expansion in order to incorporate the zone IDs in the lookup.
> 
> Regards,
> Brian
> 
> "Bound, Jim" wrote:
> > 
> > Its really up to the engineering team for that 
> implementation.  I would integrate v4 and v6 and duplicate as 
> little as possible.  At least all data structures so the 
> algorithm for update/replace/delete was the same function 
> module and not duplicated once for tcp and once for udp and 
> yet again for SCTP.  Then there is the emerging RDMA the 
> router might want to use for storage.  Treating all addresses 
> as 16bytes (v4 and v6) works and will perform.  Also all the 
> traffic shaping, classification, et al on hardware would make 
> the hardware engineers job a lot easier and thats a 
> performance win too to support both address types.
> > 
> > regards,
> > /jim
> > 
> > > -----Original Message-----
> > > From: Murugan KAT [mailto:[EMAIL PROTECTED]]
> > > Sent: Tuesday, March 19, 2002 2:15 AM
> > > To: 'IPng List'
> > > Subject: Dual stack routers
> > >
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: [EMAIL PROTECTED]
> > > [mailto:[EMAIL PROTECTED]]On Behalf Of Murugan KAT
> > > Sent: Tuesday, 19 March 2002 12:07 AM
> > > To: 'IPng List'
> > > Subject: RE: Requirements for 'O' flag (was Re: IPv6 working group
> > > agendafor Minneapolis IETF)
> > >
> > >
> > > Hi,
> > >
> > > Regarding Dual Stack Router implementation should a 
> router maintain 2
> > > routing tables, one for V4 and other for V6. What about the
> > > routing stacks?
> > > Should there be 2 instances of a routing protocol (BGP, 
> OSPF etc.,) ?
> > >
> > > What is the general approach?
> > >
> > >
> > > Thanks,
> > > KAT
> > >
> > >
> > > 
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