James Egan wrote:
Are you saying that a percentage of bandwidth is tied up doing nothing
just waiting for (say) ftp commands which could otherwise be
re-allocated to (say) web browsing? I find that hard to believe.

Yes.

You pay your £20/month and you are allocated N Mb/s. It's up to you to
decide whether to use it or not. (Actually I omitted to say there's a
30GB/300GB cap. Sorry about that omission.)

Chris