[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [NSIS] new GIMPS version



Hi Robert,

I understand. Thank you!

--Takako


On Wed, 02 Jun 2004 17:34:09 +0100
"Hancock, Robert" <robert.hancock at roke.co.uk> wrote:

> Hi Takako,
> 
> The phrasing is sloppy (my fault). 
> 
> Case 1 could better say "... the RAO is relevant to NSIS but
> not the specific node, but the IP layer is unable to recognise
> whether it needs to be passed to GIMPS for further processing
> or whether the packet should be forwarded just like a normal
> IP datagram."
> 
> (In this case, because the RAO is not relevant to the specific
> node, the GIMPS processing is to do whatever should have
> been done to a normal datagram. In some implementations,
> GIMPS would not be invoked at all here.)
> 
> Case 2 is different because the RAO *is* associated with a set
> of signaling applications, some of which are processed on the
> node (but not this specific one). 
> 
> Section 8.4 is also relevant here.
> 
> Hope this helps,
> 
> robert h.
> 
> > -----Original Message-----
> > From: Takako Sanda [mailto:sanda.takako at jp.panasonic.com] 
> > Sent: 02 June 2004 08:35
> > To: Hancock, Robert
> > Cc: nsis at ietf.org
> > Subject: Re: [NSIS] new GIMPS version
> > 
> > 
> > Hi Robert,
> > 
> > I have a question about section 4.2.4 (Bypass Forwarding).
> > 
> > What is a difference between:
> > 1. A downstream datagram mode message contains an RAO value associated
> >    with NSIS, and the IP layer is unable to determine whether 
> > to forward
> >    it.
> > and
> > 2. A downstream datagram mode message contains an RAO value which is
> >    relevant to the node, but the signaling application for the actual
> >    NSLPID is not processed.
> > 
> > I cannot understand the situation "IP layer is unable to 
> > determine whether to forward it" in case 1.
> > 
> > Best Regards,
> > Takako
> > 
> > 
> > 
> > On Mon, 31 May 2004 01:23:18 +0100
> > "Hancock, Robert" <robert.hancock at roke.co.uk> wrote:
> > 
> > > Dear all,
> > > 
> > > There is a new version of the GIMPS draft just in time (OK, 
> > not really
> > > in time,
> > > but I plead excessive viral computer fun as a 
> > distraction...) for the 
> > > interim.
> > > Catch it now at http://nsis.srmr.co.uk/draft-ietf-nsis-ntlp-02.txt.
> > > 
> > > The change log in 9.1 summarises what has changed since the -01 
> > > version.
> > > 
> > > We've been asked to indicate how the early review comments 
> > have been 
> > > taken into account in this version. Most of the details are in the 
> > > change log, so I'll just provide some pointers at the end of this 
> > > mail.
> > > 
> > > Happy reading!
> > > 
> > > Robert H.
> > > 
> > > Early Review Comment Resolution:
> > > 
> > >  From Alex (see 
> > > http://www.tschofenig.priv.at/nsis/IETF59/nsis-zinin-ietf59.ppt)
> > > Q:  Why per-flow routing info in NTLP?
> > > A:  More explanation added at end of 4.1.1
> > > Q:  Suggests flow based routing?
> > > A:  This is a misunderstanding; in any case, related 
> > developments have 
> > > changed the text (see change number 6)
> > > 
> > >  From Dave (see
> > > http://www.ietf.org/mail-archive/web/nsis/current/msg03809.html)
> > > Q: Flow definition excludes multicast, splitting
> > > A: Definitions modified, see change number 1
> > > Q: How do you handle not-on-path proxies
> > > A: We don't - clarified proxy definition in 3.2
> > > Q: Why a hop count rather than a VIA header?
> > > A: The rationale is in the mailing list archive for March; 
> > we haven't 
> > > put this in the document in the interest of brevity. 
> > (However, there is 
> > > improved text on loop handling, see change number 8)
> > > Q: The D-mode messages have to follow the data flow
> > > A: Yes, existing text on the subject has been gathered 
> > (from the rest of 
> > > the document) into section 5.3
> > > Q: Does having GIMPS do NAT traversal hijack signaling 
> > application role?
> > > A: This is still open for discussion. The text in section 
> > 6.3 is clear 
> > > on this. It needs discussion with the NATFW people (i.e. it 
> > is not just 
> > > a GIMPS issue); at the moment, the NATFW NSLP regards handling NAT 
> > > traversal aspects of non-NATFW NSLPs as out of scope, so 
> > the boundary is 
> > > consistent
> > > Q: Tunneling nit
> > > A: Text in 6.4 adjusted accordingly
> > > Q: Does 8.2 really rule out raw-IP?
> > > A: The text in 8.2 on the subject has been expanded to say why.
> > > Q: Aggregation is per-interface, not per-node
> > > A: Text in 8.4 on aggregation handling adjusted accordingly
> > > 
> > > _______________________________________________
> > > nsis mailing list
> > > nsis at ietf.org
> > > https://www1.ietf.org/mailman/listinfo/nsis
> > 
> > 
> > _______________________________________________
> > nsis mailing list
> > nsis at ietf.org
> > https://www1.ietf.org/mailman/listinfo/nsis
> > 
> 
> -- 
> 
> Visit our website at www.roke.co.uk
> 
> Roke Manor Research Ltd, Roke Manor, Romsey, Hampshire SO51 0ZN, UK.
> 
> The information contained in this e-mail and any attachments is confidential to
> Roke Manor Research Ltd and must not be passed to any third party without
> permission. This communication is for information only and shall not create or
> change any contractual relationship.

----- 
Takako SANDA <sanda.takako at jp.panasonic.com>
Next-Generation Mobile Communications Development Center,
Matsushita Electric Industrial Co., Ltd. (Panasonic)
Phone: +81 46 840 5764  Fax: +81 46 840 5122


_______________________________________________
nsis mailing list
nsis at ietf.org
https://www1.ietf.org/mailman/listinfo/nsis