Re: [spring] Managing "global" SIDs

[vahid tavajjohi <[e-mail]>]

Hi all,

I think each vendor will uses its own NMS. So, it can’t be easy to manage global SID allocation with multi-vendor environment alongside multi-NMS. Therefore, PCE (standard) is better choice.

Regards,
Vahid

[e-mail]

> On Jul 24, 2019, at 10:32 PM, Jeff Tantsura <[e-mail]> wrote:
> 
> All of the tasks described belong in management plane, while I’m not particularly fond of using DHCP, having single source of truth for configurational state is better than configuring box by box (and excel to manage it :))
> Most SP’s (and as Stephane alluded) already have a centralized management entity that takes care of configuration management and soft resource (such as IP’s, SID’s, RT/RDs, etc allocation.
> 
> Cheers,
> Jeff
> On Jul 24, 2019, 12:38 PM -0400, Andrew G. Malis <[e-mail]>, wrote:
>> Sasha,
>> 
>> Most "normal" DHCP servers require manual configuration of some sort if you want to guarantee persistence of the assigned IP address (i.e. "static" DHCP). So we're back to "manual" management, even if the results of the manual management are conveyed by a dynamic protocol.
>> 
>> Cheers,
>> Andy
>> 
>> 
>> On Wed, Jul 24, 2019 at 11:53 AM Alexander Vainshtein <[e-mail] <mailto:[e-mail]>> wrote:
>> Robert, Kireeti and all,
>> 
>> I think that both loopbacks and their association with SIDs should be kept persistent.
>> 
>>  
>> 
>> Whether such persistency is provided by the means of static configuration, or by the means that are external to some dynamic protocol is a different question.
>> 
>> E.g., a “normal” DHCP client (like my office computer) may think that it obtains a dynamic IP address in the company network from the DHCP server every time I turn it on, but the DHCP server actually takes care to assign to it the same IP address every time.
>> 
>>  
>> 
>> Does this help in any way?
>> 
>>  
>> 
>> Regards,
>> 
>> Sasha
>> 
>>  
>> 
>> Office: [phone]
>> 
>> Cell:      [phone]
>> 
>> Email:   [e-mail] <mailto:[e-mail]>
>>  
>> 
>> From: spring <[e-mail] <mailto:[e-mail]>> On Behalf Of Kireeti Kompella
>> Sent: Wednesday, July 24, 2019 6:36 PM
>> To: Robert Raszuk <[e-mail] <mailto:[e-mail]>>
>> Cc: SPRING WG List <[e-mail] <mailto:[e-mail]>>
>> Subject: Re: [spring] Managing "global" SIDs
>> 
>>  
>> 
>> Hi Robert,
>> 
>>  
>> 
>> On Wed, Jul 24, 2019 at 11:09 AM Robert Raszuk <[e-mail] <mailto:[e-mail]>> wrote:
>> 
>> Hi Kireeti,
>> 
>>  
>> 
>> I would like to challenge a bit your fundamental assumption which is to state that while loopbacks are very important and locally significant and warrant manual/nms provisioning SIDs are not. 
>> 
>>  
>> 
>> Actually, what I said at the mike is that I believe that both loopbacks and global SIDs should be managed by DHCP.  But that's a distraction; the point at hand is whether global SIDs should be managed "manually" (or by NMS or equivalent) (i.e., static), or by a protocol (say DHCP) (i.e., dynamic).  You say the former .... thanks for the feedback.
>> 
>>  
>> 
>>  -- 
>> 
>> Kireeti
>> 
>> 
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