[asterisk-dev] The New CDR system

Rod Dorman rodd at polylogics.com
Sat Mar 31 09:17:50 MST 2007


On Saturday, March 31, 2007, 09:43:53, critch wrote:
> On Sat, 2007-03-31 at 10:59 +0300, Tzafrir Cohen wrote:
>>    ...
>> But CDR data really needs what TCP has to offer.
>> 
>> What you do is re-implement TCP (or TCP/with a bit of SSL). While it
>> might work, ,it is not as good as the original.
>
> The only thing needed is guarenteed delivery. IAX full frames in UDP
> already do that. Seems to work fine for most people.

I can understand Tzafrir's point of view. The IAX2 protocol draft states
     "Full frames are sent reliably, so all full frames require an
     immediate acknowledgment upon receipt"
whereas  TCP  utilizes a sliding window protocol that doesn't require an
ACK for every individual transmission.

     
-- 
rodd at polylogics.com     "The avalanche has already started, it is too
Rod Dorman              late for the pebbles to vote." - Ambassador Kosh



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