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Re: VBR vs ABR

  • From: albert.e.manfredi@boeing.com
  • Date: Tue, 18 Jan 2000 17:21:32 GMT
  • Organization: Boeing North American
  • X-Article-Creation-Date: Tue Jan 18 17:21:32 2000 GMT


In article <388415af.10481302@news.hinet.net>,
  santayeh@ms32.hinet.net (Santa Yeh) wrote:
> Does anyone explain what difference between abr and abr? What benefit
> for each since VBRnrt can assign PCR/SCR vs ABR with PCR/MCR?

I guess the difference is one of guarantees. With VBR, you are
theoretically supposed to be able to achieve your PCR whenever you need
it. With ABR, you will not be able to count on this. With ABR, all you
can _count_ on is the that MCR will be available.

With UBR, of course, you can't even count on that. UBR is like ABR with
MCR set to 0.

--
Bert
albert.e.manfredi@boeing.com


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  • References:
    • VBR vs ABR
      • From: santayeh@ms32.hinet.net (Santa Yeh)