On Sat, Oct 10, 2009, Fred Baker wrote: > Are we talking about bit rate, which one might expect to be modified > by environmental characteristics and is in fact very tightly > controlled to prevent that, or traffic volume?
Not true with modem type technologies, where the available transmission rate is a function of how many available frequency space slices are deemed to be "good" at any one time. This isn't really like SDH (from what I've read of SDH, anyway.) Adrian