Re: Reg: Quality of Service routing
Antoni Przygienda <prz@dnrc.bell-labs.com> Mon, 21 December 1998 20:57 UTC
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Date: Sun, 20 Dec 1998 10:41:07 -0500
From: Antoni Przygienda <prz@dnrc.bell-labs.com>
Organization: Bell Labs, Lucent Technologies
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To: "Raghu V.V.J Vadapalli" <iprsvp@yahoo.com>
CC: routing quality <qosr@newbridge.com>, Internet Protocol <ipng@sunroof.eng.sun.com>, MultiProtocol Label Switching <mpls@external.cisco.com>
Subject: Re: Reg: Quality of Service routing
References: <19981220150534.13933.rocketmail@send103.yahoomail.com>
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Raghu V.V.J Vadapalli wrote: > > Dear All, > > I have one basic question regarding QoS routing. > > Do we need QoS routing if we have enough infinite (I mean > large ) bandwidth. > > >From my poor knowledge: > > We need QoS routing b'cos we have limited BW and we want > to give priority to QoS flows. If some one comes with > a Tx system which supports 100s Gb/s,(say 128 channel WDM system) > Do we need to support the "special" status for the QoS flows. > May in that case the memory at the routers will be > bottleneck. > > Am I missing something. > With Regards > -Raghu. > > I am not aware that you can generally trade bandwidth for delay (said simply: if you have end-2-end delay constraints to meet & sum of your link propagation delays exceeds it, there is little you can do) so having arbitrary amounts of bandwidth does not necessarily solve the end-2-end delay problem. thank you --- tony
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- Re: Reg: Quality of Service routing Masilamany Raguparan
- Re: Reg: Quality of Service routing Parag M Panse
- Re: (IPng 6937) Re: Reg: Quality of Service routi… Matt Crawford
- Re: Reg: Quality of Service routing Antoni Przygienda
- Re: Reg: Quality of Service routing Barry Dykes
- Reg: Quality of Service routing Raghu V.V.J Vadapalli
- Re: Reg: Quality of Service routing Bala Rajagopalan
- Re: (IPng 6939) Re: Reg: Quality of Service routi… Lloyd Wood
- Re: Reg: Quality of Service routing Daniel Awduche
- Re: Reg: Quality of Service routing Raghu V.V.J Vadapalli
- Re: Reg: Quality of Service routing Qingming Ma
- Re: Reg: Quality of Service routing Richard Carlson
- Re: Reg: Quality of Service routing Antoni Przygienda
- Re: Reg: Quality of Service routing Bob O'Hara