Re: [tequila/sls] predefined services / SLS ?

From: Michael Smirnov (smirnow@fokus.gmd.de)
Date: Thu Nov 02 2000 - 20:29:06 CET

  • Next message: Yves T'Joens: "Re: [tequila/sls] predefined services / SLS ?"

    On Thu Nov 2 18:08:26 2000 Jaroslaw Sydir wrote:

    > Michael,
    >
    > But isn't that the definition of best effort? The user makes no predictions about the
    > amount of traffic that will be sent into the network and the network makes no guarantees
    > about how the traffic will fare?

    yes, BUT providing that ALL inetrnet system resources are shared by all
    best effort flows, and all flows are best effort.

    >
    > Jerry
    >
    > Michael Smirnov wrote:
    >
    > > Hi Jaroslaw,
    > >
    > > thanks for your answer,
    > > On Thu Nov 2 02:51:21 2000 Jaroslaw Sydir wrote:
    > >
    > > > Michael,
    > > >
    > > > I'm not sure that I understand your question. If the traffic is truely
    > >
    > > your answer is just to the point
    > >
    > > > best effort then it requires no guarantees and you don't care about it
    > > > in your traffic engineering. It gets the lowest priority in the network
    > > > and is dropped in favor of the guaranteed traffic.
    > >
    > > and this is exactly what I dislike in the whole story
    > >
    > > >
    > > > If you want to provide a "slightly better than best effort" service,
    > > > then this implies some level of performance guarantees for some amount
    > > > of this traffic. In this case you would describe it in terms of
    > > > individual e2e SLS just like the other types of services.
    > > >
    > > > Jerry
    > > >
    > > >
    > > > Michael Smirnov wrote:
    > > > >
    > > > > On Wed Nov 1 00:51:41 2000 Jaroslaw Sydir wrote:
    > > > >
    > > > > > Jean-Pierre and Pierrick,
    > > > > >
    > > > > > A traffic matrix (network wide SLS) can be specified as a set of individual e2e
    > > > > > SLS/services (represending the trunks that make up the traffic matrix).
    > > > > <...>
    > > > >
    > > > > How you plan to specify best effort traffic?
    > > > >
    > > > > cheers
    > > > >
    > > > > Michael
    > > >
    > >
    > > regards
    > >
    > > Michael
    >
    >
    >
    >



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