[Bloat] First draft of complete "Bufferbloat And You" enclosed.

[Eric Raymond]

Bill Sommerfeld <wsommerfeld at google.com>:
> On Tue, Feb 8, 2011 at 10:18, Eric Raymond <esr at thyrsus.com> wrote:
> > I don't understand "ack clocking".
> 
> before you go any further, download and read the Van Jacobsen/Karels
> paper "Congestion Avoidance and Control":
> 
>     ftp://ftp.ee.lbl.gov/papers/congavoid.ps.Z
> 
> in a sliding-window protocol like TCP the arrival of an ack lets the
> sender know that the receiver has buffer space for the next packet and
> permits the sender to transmit more data; the acks form a kind of
> "clock" that signals that data has left the network and that there is
> room for more.

Your summary is actually a more concise explanation of "ack clocking" than
the paper offers, but thanks.  Reading that was quite useful.  I think I 
shall have to reread it a couple of times to grok in fullness, and expect
the effort to be wll worthwhile.
-- 
		<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>