Cell Relay Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] Re: relationship bewteen PCR, SCR and MBS
Paul Deneault wrote: > > Hello, > > Could somebody please explain the relationship between PCR, SCR and MBS > has it pertains > to a VBR channel ? Ok so I establish a VBR channel with the settings > PCR=55000 cells/sec > SCR=32000 cells/sec > MBS=1200 cells/sec > > Do these numbers make sense ? > my only comment is that i think that mbs is measured in cells and not in cells/second. > what should they be ? is there a rule of > thumb ? Outside of the "suck it and see" approach, is there a forumale > to use ? > i don't know enough to give you an answer. but i think that in selecting these parameters you have to know something about your traffic pattern, and how bursty it is. based upon the figures that you cited above, it suggests to me that you will be able to transmit a continuous blast of cell traffic at the pcr for up to 15 seconds and still be in compliance with the traffic descriptor. -- __ ______ __ / __/ | lucent technologies, naperville il, usa _/ (_(_) / (_(_/_/_(_/ . ronald.h.davis@lucent.com "if you ain't the lead dog, the scenery never changes" -- edmund wilson
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