How is it that using a VPN your ISP still knows exactly how much data you used?

[Anonymous]

danny burstein <***@panix.com> wrote:

SNIPP

To answer the original poster's question, most VPNs
simply slip your traffic through the connection,
so aside from some misc overhead, the ISP sees
the number of packets, etc.
Note that _some_ of the more enlighted ones
will add in semi randomized additional packets
so as to confuse anyone trying to traffic analysis,
but that's NOT a standard consumer offiering.

Which VPNs add some data ?

[danny burstein]

In <***@yamn.paranoici.org> Anonymous <***@yamn.paranoici.org> writes:

[snip]

Post by Anonymous

Note that _some_ of the more enlighted ones
will add in semi randomized additional packets
so as to confuse anyone trying to traffic analysis,
but that's NOT a standard consumer offiering.

Which VPNs add some data ?

Afraid the one I was using was a proprietray
"in house", but I'm guessing (which might have
been premature...) that some commercial ones
would have it, too.

Of course, I could be wrong. Wouldn't be
the first time...