Re: [ROUTING] Settle a pointless debate - more commonly used routing protocol in total deployments - OSPF vs IS-IS

[Saku Ytti <saku () ytti fi>]

Q: why do we have to start this debate every other day?
A: because i don't have time to start it every day

On Fri, 25 Jan 2019 at 16:18, Steven Bahnsen <sbahnsen20 () gmail com> wrote:
> Hi,
>
> First time poster looking for some input on a debate and I apologise if I've
> done this completely wrong, but I don't think my colleague will be convinced
> until he hears it from this community.
>
> Granted I'm relatively green when it comes to networking, but it was my
> understand that other than BGP, the most widely used/implemented IGP  would be
> OSPF. However, my colleague insists that I'm 100 percent wrong and that is
> IS-IS.
>
> I want to be clear, I'm not debating which protocol is better or worse, as they
> both have their strengths and weaknesses and ultimately it comes down to several
> factors based on a particular use-case on which routing protocol is the best way
> forward for a network.
>
> However in saying that, I believe that, when it comes to sheer numbers of where
> an IGP is implemented, OSPF is far more widely used in the world today, whether
> it be in small to medium to large businesses, Enterprise networks and even
> Service Provider networks (where as per my understanding, is where IS-IS really
> shines)
>
> I understand that this isn't really quantifiable, but I would like to get the
> opinions/experiences from this list and see what the outcome of this question is
> out of sheer curiosity.
>
> Thanks!
>
> Steve


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