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Former Member

what is difference in trfc and qrfc

hi,

help me understand qualiy of service 'exactly once' ' in order' 'exxactly once i n orde' and how is this related to syn asyn and trfc and qrfc..

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    author's profile photo Former Member
    Former Member
    Posted on Oct 14, 2005 at 03:49 AM

    Hi SB,

    trfcs enable async communication ie the quality of service is Exactly once(EO).While qrfcs enable async communication with the quality of service Exactly once in order (EOIO) which make use of queues.

    Regards

    Priyanka

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  • Posted on Oct 14, 2005 at 04:08 AM

    Hi SB,

    For <b>synchronous communication</b> the quality of service is <b>BE</b> (Best Effort). For <b>asynchronous communication</b> there are two modes of quality of service they are <b>EO</b> (Exactly Once) and <b>EOIO</b> (Exactly Once In Order). In EO the message is delivered only once, so that there is no duplication. In EOIO the message is delivered Exactly once and that too in the same order.

    Go thru this link

    http://help.sap.com/saphelp_nw04/helpdata/en/41/b714fe5ffc11d5b3ea0050da403d6a/frameset.htm

    Regards

    Suraj

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  • author's profile photo Former Member
    Former Member
    Posted on Oct 14, 2005 at 06:36 AM

    Hi S B,

    I wopuld like a little to wat my friends say.. The asynchronous mode of communication ie the QOS = EO/EOIO is a guarenteed means of delivery.. However in the Synchronous it is not so..

    Also it is similar to the tRFC(transactional Remote Function Call) and qRFC(queued RFC). I am sure the link Suraj has provided will help u more..

    Cheers,

    Divya

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