Re: [Diffserv-interest] The relationship between qos routing and diffserv

Stefano Salsano <stefano.salsano@uniroma2.it> Wed, 16 April 2003 11:02 UTC

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Date: Wed, 16 Apr 2003 13:01:49 +0200
From: Stefano Salsano <stefano.salsano@uniroma2.it>
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To: cathy <cathy_nj@sina.com>
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Subject: Re: [Diffserv-interest] The relationship between qos routing and diffserv
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Dear Cathy,

among the several research efforts that have targeted the issue
you describe, you may want to have a look at the AQUILA
project:    http://www.ist-aquila.org/

Best regards,
Stefano

cathy wrote:
> 
> Hello all,
>         In the paper "Differentiated Services in the Internet" of Dr.
> Carpenter. The relationship between Diffserv and qos routing is
> discussed. It concludes from statistics that "service levels are set
> up to hold across a cloud,not a particular path".It is the spirit of
> DiffServ,but I was confused that how the characteristic of the whole
> domain can be represented by only several edge routers?
>        Suppose we use BB to manage the resource of the domain and
> execute admission control. when a new flow want to transmit data
> through the DiffServ domain, how can we do the admission control
> without concerning it's route? Since microflows in the same traffic
> aggregate will flow out the domain  from different egress router, how
> can the resource be reserved in the interior router?
>        Does someone know this kind of work ?
>        Thanks!
> 
>        Cathy
> 
> 
> 

-- 
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Stefano Salsano
Dipartimento Ingegneria Elettronica
Universita' di Roma "Tor Vergata"
Viale Politecnico, 1 - 00133 Roma - ITALY
 
E-mail  : stefano.salsano@uniroma2.it
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