[j-nsp] How to pick JUNOS Version

[Andrey Kostin]

Agree with Rx-S<latest> and with reasonably conservative approach, 
<latest> should be >= 3. In S1, S2 you will probably get PR fixes 
affecting multiple previous releases but for a new R-specific PRs it 
takes time to be discovered and fixes implemented, which usually takes 
not less than 6 months. Also you may take into consideration that last 
releases in a train usually have longer support period.

Kind regards,
Andrey

Roger Wiklund писал 2020-08-19 11:12:
> I'm not sure how long Arista can keep the single binary approach as 
> they
> expand their portfolio
> and feature set. For example it makes very little sense to have full 
> BNG
> code on EX access switches, imge would be huge.
> 
> As for JTAC recommended release, it's a very generic recommendation not
> taking specific use cases into consideration (Except for EVPN-VXLAN 
> CRB/ERB)
> Typically Juniper considers R3 releases to be mainstream adoptable 
> (reality
> is more like R3-S<latest>) but you will sleep better if you do proper
> testing and to avoid regression bugs etc.
> 
> You can always ask your friendly SE for some guidance.
> 
> /Roger
> 
> 
> On Wed, Aug 19, 2020 at 4:46 PM Colton Conor <colton.conor at gmail.com> 
> wrote:
> 
>> How do you plan which JUNOS version to deploy on your network? Do you 
>> stick
>> to the KB21476 - JTAC Recommended Junos Software Versions or go a 
>> different
>> route? Some of the JTAC recommended code seems to be very dated, but 
>> that
>> is probably by design for stability.
>> 
>> https://kb.juniper.net/InfoCenter/index?page=content&id=KB21476&actp=METADATA
>> 
>> Just wondering if JUNOS will ever go to a unified code model like 
>> Arista
>> does? The amount of PR's and bug issues in JUNOS seems overwhelming. 
>> Is
>> this standard across vendors? I am impressed that Juniper takes the 
>> times
>> to keep track of all these issues, but I am unimpressed that there are 
>> this
>> many bugs.
>> _______________________________________________
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>> 
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