[ih] Why did congestion happen at all? Re: why did CC happen at all?

[John Day]

Time scales are very different.  Congestion could come and go (or 
become crippling) before today's routing protocols reacted.

At 4:20 PM -0400 8/31/14, Miles Fidelman wrote:
>Tony Li wrote:
>>On Aug 31, 2014, at 12:04 PM, Miles Fidelman 
>><mfidelman at meetinghouse.net> wrote:
>>
>>>Packets are not sent off willy nilly in all directions - they're 
>>>sent in the directions indicated by routing tables that are 
>>>updated based on, among other things, resource congestion around 
>>>the net.
>>
>>Sorry, no. Routing protocols that react to congestion are still a 
>>research topic.
>>
>
>Last time I looked, bandwidth and delay were part of the metrics 
>used in at least some routing tables (e.g.,  Cisco EGIRP) - which 
>are at least indirect measures of congestion.  Or am I wrong here?
>
>Miles
>
>
>--
>In theory, there is no difference between theory and practice.
>In practice, there is.   .... Yogi Berra