nanog mailing list archives

Re: too many routes


From: Peter Lothberg <roll () Stupi SE>
Date: Fri, 12 Sep 97 1:06:24 MET DST

Alan writes;

  There is another router vendor who has OC-12 router interfaces
...
  There is a choice in the market today for OC12 router interfaces.
  -alan


Let's try to define the terminolog;

        oc3     3*sts-1 (=3*ds3)
        oc3c    3*sts-1 concatenated (vc4, or one container 1920 bytes)
        oc12    12*sts-1 (=12*ds3)
        oc12c   12*sts-1 concatenated (can carry a STM-4, 7680 bytes)


Most (all?) data equipment uses ocXXc chanels, so I asume that is what
we are talking about.


ATM     OC12c-celltax   =       'oc9' worth of IP traffic (467M)
POS     OC12c-frametax  =       'oc11' worth of IP traffic ((580M)

This is before we look at system performance, routers understand IP,
Switches does not.


-Peter



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