[cgl_discussion] Re: [cgl_specs] Use case - Live patching
Corey Minyard
cminyard at mvista.com
Mon Mar 28 10:15:49 PST 2005
Brian F. G. Bidulock wrote:
>Corey,
>
>On Mon, 28 Mar 2005, Corey Minyard wrote:
>
>
>
>>Brian F. G. Bidulock wrote:
>>
>>
>>
>>>Timothy,
>>>
>>>We would stop one of the redundant processors, patch it, and then
>>>bring it back up and switch over from the online side. A bounce
>>>in the middle could be problematic but that is usually true of all
>>>planned outages. I don't know of any telco switches that actually
>>>continue running call processing on the same processor that is being
>>>patched.
>>>
>>>
>>>
>>>
>>I do. Nortel switches work this way, for instance.
>>
>>
>
>So you patch your DMS's with both sides synced. That would be a foolish
>practice...
>
>
Why? It never caused a problem in the field. Of course, your patching
system has to be set up to handle this properly, but it can be done.
-Corey
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