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

From: Yves T'Joens (yves.tjoens@alcatel.be)
Date: Tue Nov 07 2000 - 07:56:20 CET

  • Next message: Yves T'Joens: "Re: [tequila/sls] Comments on Tequila / SLS draft"

    Carlos Alberto Kamienski wrote:
    >
    > > > BE traffic as it is thought today, should not need an e2e negotiation to
    > > > work correctly. However it could be subject to a peer negotiation
    > > > (adjacent providers).
    > > >
    > > > But, as we are trying to introduce the notion of e2e services with
    > > > performance guarantees, will BE survive in the future ?
    > >
    > > It is not only e2e services in strict sense. A Service Negotiation may
    > > lead to an allowed aggregate of CoS traffic at a particular access link,
    > > while the egress interfaces from the transport domain are unspecified.
    > > Such a negotiation may equally well apply to BE.
    >
    > End-users, IMO, should think of a service as being e2e, even though
    > destinations are not specified.

    allright, i think we talk about the same thing, sorry for the fuzz

    > They should negotiate an e2e service but
    > providers could implement it (or part of it) using BE.
    > There is a distinction between a service (and its associated QoS
    > guarantees) an user/application sees and the mechanisms used to implement
    > it.

    totally agreed. That's why we should focus the first and not the latter.

    > An over-provisioned network without any qos mechanism may be used to
    > implement a premium service, since the provider is able to negotiate
    > services and to control offered qos guarantees.
    > Regards
    >
    > Carlos

    Yves



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