BIRD performance in a dynamic scenario

[Maxime Peim (mpeim)]

Indeed, if you know the peer in advance, right ?
What about dynamic neighbor ?

De : Yakimus // Netassist NOC <yakimus at netassist.ua>
Date : mardi, 20 mai 2025 à 15:56
À : Maxime Peim (mpeim) <mpeim at cisco.com>
Cc : bird-users at network.cz <bird-users at network.cz>
Objet : Re: BIRD performance in a dynamic scenario
Hello!

You can add the comunity directly in the inbound filters of the peer

--
Mykola Yakymenko
NETassist

On Tue, May 20, 2025 at 07:43:28AM +0000, Maxime Peim (mpeim) via Bird-users wrote:
> Hi everyone,
>
> First of all, thanks a lot for BIRD !
>
> I have some questions about the dynamicity of BIRD wiht BGP.
> In a scenario where routes needs to be updated accondingly depending on some external informations, I find out that those informations would need to be written into the BIRD configuration file.
>
> As an example, if we need to add a bgp community based on the peer address (already known), we would need something like that :
>
> ```bird
> function get_community_from_peer_address(ip addr) -> pair {
>                 case addr {
>                                <addr1> : (1,1) ;
>                                <addr2> : (245, 12434) ;
>                                …
>                                else : (0, 0) ;
>                 }
> }
> ```
>
> And we could update that function if needed in the future but the configuration will need to be parsed each time.
> If the rate of update is high, it can become a bootleneck.
>
> So I would like to know if I am going the right direction doing that way ?
> Is there a plan for a direct API to BIRD internals instead of passing a configuration file ?
>
> Thanks in advance for your answer,
> Maxime Peim
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://trubka.network.cz/pipermail/bird-users/attachments/20250521/3859c996/attachment.htm>