[ogf20pc] Network question

[Stephen M Pickles]

Thanks, Fotis.

Did you have a known requirement for real IP addresses?
Or did you do it that way just to be safe?

Best regards,

Stephen

PS All - we're also assuming that no-one will need
multicast support. Speak now or forever hold your peace!

> -----Original Message-----
> From: Fotis Karayannis [mailto:fkara at grnet.gr] 
> Sent: 08 February 2007 15:07
> To: Stephen.Pickles at manchester.ac.uk
> Cc: ogf20pc at ogf.org; Kristina Ulrika Gunne; Steven Newhouse; 
> Spiros Athanasakis; GRNET Admin support
> Subject: Re: [ogf20pc] Network question
> 
> Hi Stephen,
>   I can link you with my networking guys that did both the EGEE-3
> conference and the GGF16 in Athens. For those we got 4 class 
> C addresses
> (a bit more than a thousand IPs). Indeed it takes some 
> negotiation with
> the national registry, but it is a standard procedure.
> 
> Your hybrid solution is also ok (and maybe more secure) but 
> indeed adds
>   to the complexity.
> Let's take the rest off line,
> All the best,
> Fotis
> 
> Stephen M Pickles wrote:
> > All,
> >
> > A question has arisen regarding the network provision at OGF20
> > and EGEE-UF 2.
> >
> > Is anyone likely to be running a demonstration in the exhibition
> > that will involve incoming connections?
> >
> > We need to be able to provide up to 900 or so IP addresses.
> > If all connections will be outgoing, it should be possible
> > to do this using Network Address Translation. If some connections
> > will be incoming, then it is likely that real IP addresses
> > will be needed.
> >
> > An early response will be very helpful. Obtaining 900+ real
> > IP addresses will require some negotiation and cannot be
> > guaranteed at this stage. Adopting a hybrid solution of NAT
> > for wireless and real IP addresses for wired ethernet to
> > the booths is possible, but would add complexity
> > to the network design and configuration.
> >
> > Stephen
> >
> > PS We're assuming IPV6 will not be required.
> >
> > ==================== Stephen M. Pickles ====================
> >
> > Technical Director, National Grid Service
> > Manchester Computing
> > Room G49.1, Kilburn Building
> > The University of Manchester           tel: +44 161 275 5974
> > Oxford Road                            fax: +44 161 275 6800
> > Manchester M13 9PL          stephen.pickles at manchester.ac.uk
> >
> > _______________________________________________
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> > ogf20pc at ogf.org
> > http://www.ogf.org/mailman/listinfo/ogf20pc
> >
> 
> --
> Fotis Karayannis, Dr. Eng.
> Infrastructure Development and Planning Manager
> Greek Research & Technology Network-GRNET S.A.
> http://www.grnet.gr
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