>>>>> "Mark" == Mark Allman <mallman@icir.org> writes:
    Mark> less than 1Gbps, but I forget the actual wireless technology used on
    Mark> the IHR).  The IHRs are all run into a switch (SW) at 1Gbps.  The
    Mark> switch connects to the Internet via a 1Gbps link (so, this is a
    Mark> theoretical bottleneck right here ...).  The "REH" is the remote end
    Mark> host.  We monitor via mirroring on SW.

1) do you max out your 1Gb/s uplink at all?
2) have you investigated bufferbloat on that port of the switch?
   (and do you have congestion issues on your mirror port?
   I guess that the point of the loss analysis...)

    Mark> (3) This data is not ideal.  Ideally I'd like to directly
    Mark> measure queues 
    Mark> in a bazillion places.  That'd be fabulous.  But, I am working with
    Mark> what I have.  I have traces that offer windows into the actual queue
    Mark> occupancy when the local users I monitor engage particular remote
    Mark> endpoints.  Is this representative of the delays I'd find when the
    Mark> local users are not engaging the remote end system?  I have no
    Mark> idea.  I'd certainly like to know.  But, the data doesn't tell me.
    Mark> I am reporting what I have.  It is something.  And, it is more than
    Mark> I have seen reported anywhere else.  Folks should go collect more
    Mark> data.

Thank you for this.

-- 
]               Never tell me the odds!                 | ipv6 mesh networks [ 
]   Michael Richardson, Sandelman Software Works        | network architect  [ 
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [