barak-online.net icmp performance vs. traceroute/tcptraceroute, ssh, ipsec

Joe Maimon jmaimon at ttec.com
Tue May 8 02:01:29 UTC 2007



Adrian Chadd wrote:

> On Mon, May 07, 2007, Joe Maimon wrote:
> 
>>
>>
>>Joe Maimon wrote:
>>
>>
>>>
>>>This is obviously not best effort. Best guess would be "managed 
>>>bandwidth" differentiated by ip ranges and that the "change" was a 
>>>different pool assignment.
>>>
>>>I suspect the stellar icmp echo performance is also intentional.
>>
>>Or it could just be some QOS policing/shaping.

I was referring to policing/shaping on the providers network, probably 
well in advance of the broadband agg network.

The 871 is doing a bit of cookie-cutter qos, but that hasnt changed.




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