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[mc36 <>]

hi,
fully agree... http://www.freertr.net/usage.html is a list of use cases we 
already have...
some of them already covered by frederic's blog, imho as he'll continue his 
journey around rare, he'll cover the most of points...
but again, if anybody have some spare time, imho frederic would appreciate if 
someone joins his effort populating the blog...
from my side i'll be there and show the howto (i mean bring up the topic's 
env together) to the candidate....
i personally would concentrate adding features, that is, pulling tasks from 
the todo.txt...
regards,
cs


On 3/8/21 11:07 AM, Tim Chown wrote:
> A brief article explaining the test environment could be both interesting and 
> useful, if such a thing doesn’t exist already.
>
> Tim
>
> > On 7 Mar 2021, at 06:52, mc36 <> wrote:
> >
> > just a small note, no copy-paste will be needed, i fallen in love with the 
> > idea so much that i'll make it happen it soon...:)
> > https://github.com/mc36/freeRouter/commit/d79358d026960a54ceb93cd6ff84a0d42763cf44
> >
> >
> > On 3/7/21 7:18 AM, mc36 wrote:
> > > anyway thinking about it further, once one populates the test case of his 
> > > whole network, that test case can
> > > be used to validate config changes before applying them to prod.... again, 
> > > the whole 100 node net on a 25gb vm! :)
> > > On 3/7/21 7:14 AM, mc36 wrote:
> > > > hi,
> > > > and this is not all.... so this testing framework is very extensible and 
> > > > anybody can write it's own test cases.
> > > > and a single software forwarding freertr instance can live on as low as 256mb 
> > > > of ram and 0.1% cpu. that is, one
> > > > can write his own test case modeling his _whole_ network. where it comes to 
> > > > the freertr instances, it's an 1-1
> > > > copy-paste from the real node's config, when it comes to foreign nodes, they 
> > > > can be substituted by freertr instances
> > > > also.. assuming the peering edge use case frederic working on, the foreign 
> > > > nodes, the network core, can be 1 freertr
> > > > instance modeling the network, so it'll be a small, 3-4 node topology... but 
> > > > if one is brave enough and goes freetr
> > > > only network, he have nothing to do buy copy-paste the live network's config 
> > > > to that test case and run the test
> > > > before upgrading... assuming a 100node network, it's as low as 26gb of ram 
> > > > and not too much cpu cores.... this
> > > > 25gb could seem high but a single virtual asr9k cannot be started below 16gb 
> > > > and eats 200% of cpu because that
> > > > can use dpdk dataplane only...
> > > > and a bonus, that test case framework can support remote nodes, so one can 
> > > > xconnect a real wedge's ports to the
> > > > test cases and check if the cooked tofino.bin behaves as expected.... 
> > > > moreover, that remote node can be a foreign
> > > > node so one can automate black-box testing their cisco/juniper hardware 
> > > > before upgrading those nodes...
> > > > so yeahhh, testing is important... but does anybody in the industry offer 
> > > > anything similar to this? :)
> > > > thanks,
> > > > cs
> > > >
> > > >
> > > > On 2/26/21 9:25 AM, Xavier JEANNIN wrote:
> > > > > Hello Csaba,
> > > > >
> > > > > This is great that all these tests are made.
> > > > > As our ex-Cisco referee during the EC review said, it is crucial to have a 
> > > > > strong and exhaustive validation process.
> > > > > It is also important to advertise how the validation process is done to 
> > > > > reassure potential new users.
> > > > >
> > > > > Thank you
> > > > > Xavier Jeannin
> > > > >
> > > > > Le 26/02/2021 à 08:51, mc36 a écrit :
> > > > > > On 2/26/21 8:42 AM, mc36 wrote:
> > > > > > > On 2/25/21 4:28 PM, mc36 wrote:
> > > > > > > > hi,
> > > > > >
> > > > > >
> > > > > > ohhh and forgot to finish the story: so once we ensured that the
> > > > > > lib and the rib is populated correctly to the dataplane, there is
> > > > > > no reason why the unified/seamless mpls feature would not apply to
> > > > > > all the dataplanes, simply because the p4 export tested to be able
> > > > > > to export vpns and mpls switching, and no other forwarding techniques
> > > > > > are in use...
> > > > > >
> > > > > > regards,
> > > > > > cs