[c-nsp] Is this throughput on ATM DS3 in 3640 normal?

[Mark Rogaski]

An entity claiming to be Lincoln Dale (ltd at cisco.com) wrote:
: 
: 
: Mark Rogaski wrote:
: 
: >
: >Not necessarily.  If EPD (frrame-based discard) is used by the provider
: >only intact PDU's will be delivered.
: > 
: >
: 
: we thought that also.  however we also found that there was no guarantee 
: that an ATM switch with congestion wouldn't actually guaranteed to do this.
: this was almost 10 years ago - so perhaps things have changed since then 
: (vendor N ATM switches) - but ... based on the fact that noone has ever 
: bothered to try to find a better way to shoe-horn IP-mix-size packets 
: into ATM any more efficiency than is currently done suggests probably 
: not ...
: 

Well, I wasn't saying that CRC errors wouldn't occur at all.  It's going to
vary based upon vendor, engineering, service descriptions, squirrel
migration patterns, etc.

Actually, it's quite possible that a provider might do both EPD and PPD ...
depending on which bucket is discarding.

Mark

-- 
[]                     |
[] Mark Rogaski        |   Peace is not merely a distant goal that we seek,
[] wendigo at pobox.com   |   but a means by which we arrive at that goal.
[] mrogaski at cpan.org   |   -- the Rev. Martin Luther King Jr.
[]                     |
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