[JDEV] Heartbeat patch for dialup and laptop users and faulty presence info

[David Waite]

Thats why it was a counterpoint - these are centralized systems to the 
point that I would imagine any increase in traffic requires a ROI. :-)

-David Waite

James MacMillan wrote:

> Could you please clarify this for me?
> By my understanding, this ping/pong technique only generates extra 
> traffic between the client and their
> direct server (virtually a single hop). Since jabber is intended to be 
> a highly distributed network where
> many users administer their own servers, ~14Mb of extra traffic spread 
> across the 100s of 1000s of servers
> that would be serving those 5 million online users doesn't seem as 
> relevant.
>
> David Waite wrote:
>
>>
>>
>> David Waite wrote:
>>
>>>
>>> As a counterpoint, however - a single-byte application-level 
>>> ping/pong is still going to take a minimum of 82 bytes of network 
>>> traffic. It is likely that for five million online users, the ~7MB/s 
>>> traffic a once-a-minute ping/pong would generate might not 
>>> considered worth it.
>>
>>
>>
>> Whoops, messed up my own numbers - it would be a minimum of 162, or 
>> ~14 MB/s
>>
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