Re: [mif] mif Digest, Vol 5, Issue 18

Hi,

> -----Message d'origine-----
> De : mif-bounces@ietf.org [mailto:mif-bounces@ietf.org] De la part de ma
> yc
> Envoyé : mardi 17 mars 2009 06:41
> À : mif@ietf.org
> Objet : Re: [mif] mif Digest, Vol 5, Issue 18
> 
> Hi, Min Hui,
> 
> I an also confused on the requirement 5.
> 
> As for the the flow directed to the multiple
> interface node, why does the network side need
> to decide which interface to forward the data?
> 
> The dst address of the packet should be used for routing.
> The network just forwards the data according to the routing table.
> I do not see the needs for interface selection to route the flow.
> 
> Also if you have the use case, i have the same concern
> as macelo, which elememt will be in chcarge of
> distributing the traffic?
> 

For instance, an aggregation router can be in charge of distributing the traffic.
But, as Marcelo pointed out, there is an issue when the user is connected to different ISPs; "which entity for distributing the traffic" and "how to harmonize network policies" in that case...

Regards,
Pierrick

> Thank you.
> Regards
> Yuanchen
> 
> > Date: Mon, 16 Mar 2009 18:13:29 +0100
> > From: marcelo bagnulo braun <marcelo@it.uc3m.es>
> > Subject: Re: [mif] about draft-hui-ip-multiple-connections-ps-02
> > To: Min Hui <huimin.cmcc@gmail.com>
> > Cc: mif <mif@ietf.org>
> > Message-ID: <49BE88B9.6010306@it.uc3m.es>
> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >
> 
> > >  5 Network side should be capable of distributing the IP flow
> > >  according to some parameters, such as IP address prefix, network type
> > >  and so on.
> > >
> > > i don't understnad what you mean by this one, could you expand?
> > >
> > > A: That is the policy in the network side. Corresponding to the policy
> > > of sending data mentioned in the fourth bullet, the policy of
> > > receiving data is also needed, which can be apply in the network side.
> > > The network can determine forward a specific IP flow to which
> > > interface of the destination host according to the policy.
> > >
> > >
> >
> > right, i see what you mean. I am not sure which element of the network
> > would do that... i mean, are you assuming that all interfaces are being
> > connected to the same ISP? If not, i am not sure how would you do this...
> > > Regards, marcelo
> > >
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