On 08/27/2016 11:06, David Lang wrote:
On Fri, 26 Aug 2016, Kathleen Nichols wrote:
[..]
so you can call it large queues instead of large buffers, but the result
is that packets end up being 'in transit' for a long time.
No, a large queue is a bunch of packets waiting in a queue (which is contained
in a buffer). A large buffer with zero or a small number of packets in it is
not going to result in packets being in transit for a long time.
[..]
I don't understand what you are trying to call out by trying to change the
terminology.
I think you're almost in violent agreement, except that Kathy is
differentiating between the space set aside for holding between 0 and N packets
(or bytes) of data for delivery (a /buffer/) and an instance of packets queued
up to a particular depth in a buffer (a /queue/) . Given that terminology, a
bottleneck may implement a large buffer, but with proper congestion signals (or
eg. delay-based congestion inference by end points) there might only ever be
small queues build up in the (large) buffer.
cheers,
gja
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