[Diffserv-interest] Overbooking

You don't need to worry about overbooking if you properly engineer bandwidth
and take advantage of DiffServ mechanisms. Although you will never get
absolute, deterministic guarantees, you can get statistical guarantees that
approach determinism while avoiding the huge cost implications of a
signaled, per-flow reservation network.

> From: Jing Shen <jshen_cad@yahoo.com.cn>
> Date: Fri, 14 Nov 2003 20:14:16 +0800 (CST)
> To: "John H. Shuler" <johnshuler@mac.com>, Brian E Carpenter
> <brc@zurich.ibm.com>
> Cc: diffserv-interest@ietf.org
> Subject: Re: [Diffserv-interest] Re: Diffserv-interest digest, Vol 1 #113 - 3
> msgs
> 
> I'm not so clear with "overbooking" in DiffServ
> network. To my understanding, there will be no
> end-to-end explicit bandwidth allocation in DiffServ
> Networks. At that of current IP network, ISP just
> provides internet access to customers and core network
> is overprovisioned to guarantee service quality.  So,
> to my expection "logical Golden Service Network" in
> DiffServ will not has explict e2e tunnel at all. Where
> comes overbooking?
> 
> 
> 
> 
> --- "John H. Shuler" <johnshuler@mac.com> 的正文：>
> Brian,
>> 
>> I agree. My suggestion would be to keep it simple so
>> as to be easily
>> implemented as a common denominator standard that
>> works, then refine it over
>> time after experience demonstrates a need. If it
>> starts out too complicated,
>> it will be too expensive to implement and therefore
>> usurp the purpose.
>> 
> 
> 
> =====
> Jing Shen
> 
> Data Communication Center
> HangZhou TeleCom 
> HangZhou ZJ 310027
> P.R.China
> 
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