Subject: 11. How does Ascend measure current line utilization?

Answer from Marco S Hyman:
> Take the number of octets sent in a second plus a "fudge factor" to
> account for flags, CRC, and 0 bit insertion.  The current "fudge factor"
> is 5 octets per packet sent.
>
> Divide by the available bandwidth of a session, e.g 112 kbit/s for a two
> channel call over 56 kbit/s links or 64 kbit/s for a 1 channel call over
> a single 654 kbit/s link.
>
> The available bandwidth does not include calls that are active but not
> yet merged into the MP bundle.  Once a second (more or less) we do the
> calculation and clear the number of octest transmitted.  Note, we *only*
> measure outgoing data.

Go to Previous Question
Go to Next Question
Go to Table of Contents