[Serdev] SER's core design features(process model/parser/lumps/script) - was: So who/what is SER for, anyway?

Greger V. Teigre greger at teigre.com
Tue Jan 30 08:53:24 UTC 2007


Basically I agree. Both sides can learn. I'm not convinced that 
IMS-experiences will help though. And when the argument is "3 redundant 
nodes, with total load of max 66%", I'm not sure the IETF-SIP world will 
listen either.  Internet (TCP/IP) and http have exploded in use because 
they are "good enough", not because they have that kind of reliability. 
Sure, some telco-learnings could improve our SIP world (like 
monitoring), but that kind of costs just stiffle competition, 
innovation, and all the start-ups and is NOT the way to go in open-source.
g-)
PS! I really like seeing new announcements on WLAN/WIMAX dual handsets. 
That is an example of the 5x9 vs "good-enough" war in real-life.

Dragos Vingarzan wrote:
> Martin Hoffmann wrote:
>   
>>> Greger V. Teigre wrote:
>>>     
>>>       
>>>>     But, on the stuff that Martin writes about, operations, change
>>>> management, scalability, failover, etc, we have lots to learn. I'm
>>>> ashamed that there are no standardized way to monitor SER proxies,
>>>>       
>>>>         
>> That is just plain wrong. You wouldn't really believe I run a large
>> scale operation without monitoring my proxies, would you? True, there is
>> no drag-and-drop solution. But hey, every decent sysadmin is able to
>> write the necessary scripts in a couple of hours.
>>   
>>     
> But Martin, telco's toys come with that thing built in. And that is a
> different approach from the Internet-like one. Their toys are built to
> survive and work even if the sysadmin decides to take a long vacation
> and several things crash. They have things like 3 redundant nodes, with
> total load of max 66%, so that in case that one fails, the others can
> take over. And all this is BUILT IN and TRANSPARENT, like nothing
> happened. No BOFH needed ;-).
>
> If the IMS convergence thing will ever work, then the telcos will learn
> some lessons on "freedom" and "openness". It would just be a shame if
> the IP guys won't learn the reliability thing back from them. I worked
> for some time in parallel with guys doing that and believe me that they
> were more serious than we are now.
>
> -Dragos
>
>
>   
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