[c-nsp] BGP DFZ convergence time - FIB programming

[Mark Tinka]

On 11/Oct/18 16:30, Robert Raszuk wrote:

>
> James,
>
> I think the difference Mark may have in mind that iBGP routes say from
> RR are advertised from RR's control plane. Many RRs today are just x86
> control plane boxes with no forwarding. 
>
> On the other hand number of implementations before sending route over
> eBGP must make sure that those routes are installed in data plane
> locally before being advertised. 
>
> Of course non of this really matters if those routes are already
> installed when you trigger advertisements to UUT. 
>
> There are also few more little "delays" for eBGP vs iBGP depending on
> your BGP code base - regarding policy processing or origin validation :).

Yes, all the above :-).

Mark.