Re: [hylafax-users] batching almost there

[Bodo Meissner <bodo@xxxxxxxxx>]

Am 2005.07.29 08:15 schrieb(en) Lee Howard:

> The original author seems to have wanted that "jitter" there to  
> prevent the same events from happening over time... I guess he  
> believed that by randomizing the reschedule time that some  
> time-related problems could be avoided.


Think of two Hylafax systems with default (or otherwise identical)  
settings and only one modem line each.
Assume system A has a job for receiver X that always fails and will be  
re-scheduled until a limit is reached.
Further assume System B wants to send a fax to system A and just tries  
to send it when A is trying to send to X.
A's job to X fails and A re-schedules the job.
B will get a busy signal and re-schedule the job.
With identical settings and without jitter it may be possible that  
several or all retries on System B will get a busy signal because A is  
retrying in the same interval. With jitter this is very unlikely.


Bodo

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