[AusNOG] powerful routers in core/edge routing/switching

[James Braunegg]

Dear Ankit

Due to the fact Australia is quite small (not that many people and or networks plus the cost of bandwidth is still much more than the USA/Europe) you will find there are not that many people who run serious large hardware routers...  lots of cisco 7200 still out their because they are working fine... 1gbit of transit is still considered heaps (for most networks that aren't transit providers)

Over time I see 7200's being replaced with Juniper MX-5's or Brocade CER's because of the price point from Juniper and Brocade.. and from memory those models are the only true hardware routers which are small in capacity and cost effective which can be upgraded with additional licenses...  thus a perfect starting point for someone looking to replace the cisco 7200 platform.

Anything larger ie MX240/480 and ASR 9000 / MLXe are very big routers for the average network and I doubt many are sold locally each year...  (could be wrong... however)

Kindest Regards


James Braunegg
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From: ausnog-bounces at lists.ausnog.net [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Ankit Agrawal
Sent: Thursday, February 14, 2013 3:50 PM
To: McDonald Richards; AusNOG at lists.ausnog.net
Subject: Re: [AusNOG] powerful routers in core/edge routing/switching

Macca, agree, it might not be a necessity for majority of people.

Need to understand what is best on a technical level first and obviously commercials will follow.

I haven't really seen anyone criticising what they are using from the options that I listed below which is sort of what I thought as well. They all can do the job which sort of makes it harder to decide which one to pick. You just need to look at what is going to best suite the infrastructure where the product will be deployed and obviously cater for future scalability.

Ankit.

From: McDonald Richards <McDonald.Richards at vocus.com.au<mailto:McDonald.Richards at vocus.com.au>>
Date: Thursday, 14 February 2013 9:02 AM
To: "AusNOG at lists.ausnog.net<mailto:AusNOG at lists.ausnog.net>" <ausnog at lists.ausnog.net<mailto:ausnog at lists.ausnog.net>>
Subject: Re: [AusNOG] powerful routers in core/edge routing/switching

You're right - some times it's not enough, but I don't think that is the case for the majority of people who are carrying a full BGP table. If you can afford all that connectivity and caching, you can probably afford to buy a router that is suitable to support it all (provided all the afore mentioned caching and connectivity is actually a requirement of the business).

Macca


From: Ankit Agrawal <ankitagrawals at gmail.com<mailto:ankitagrawals at gmail.com>>
Date: Wednesday, 13 February 2013 12:50 PM
To: McDonald Richards <McDonald.Richards at vocus.com.au<mailto:McDonald.Richards at vocus.com.au>>, "AusNOG at lists.ausnog.net<mailto:AusNOG at lists.ausnog.net>" <ausnog at lists.ausnog.net<mailto:ausnog at lists.ausnog.net>>
Subject: Re: [AusNOG] powerful routers in core/edge routing/switching

Sometimes default route is not enough and you do need to be aware of full routing table, including local peering to have optimum routing both from cost and user experience perspective. This is especially the case when you are not running a single IP feed from one or two providers but infact have several transit links and peering/caching services.

Of course there are ways to overcome these issues, but then as you said, you end up in a web of network that only you can understand and support and its beyond documentation.

Ankit.

From: McDonald Richards <McDonald.Richards at vocus.com.au<mailto:McDonald.Richards at vocus.com.au>>
Date: Wednesday, 13 February 2013 8:15 AM
To: "AusNOG at lists.ausnog.net<mailto:AusNOG at lists.ausnog.net>" <ausnog at lists.ausnog.net<mailto:ausnog at lists.ausnog.net>>
Subject: Re: [AusNOG] powerful routers in core/edge routing/switching

What has port density, capacity or throughput got to do with routing?

Why do people with networks in a single geographic region, even if multi-homed, need to run default-fee? You know you can use a default route and a routing subset to achieve both redundancy and faster convergence?

I'm pretty happy with the current generation of hardware and where it sits price-wise. There have been a lot of good suggestions in the thread so I won't throw anymore in.There are cheaper and smarter ways to do things, but with smarts comes the risk that nobody else can support your tangled web of network magic.

Macca


From: Joshua D'Alton <joshua at railgun.com.au<mailto:joshua at railgun.com.au>>
Date: Wednesday, 13 February 2013 11:06 AM
To: "AusNOG at lists.ausnog.net<mailto:AusNOG at lists.ausnog.net>" <ausnog at lists.ausnog.net<mailto:ausnog at lists.ausnog.net>>
Subject: Re: [AusNOG] powerful routers in core/edge routing/switching

The problem is routing has lagged far behind switching in terms of port density, capacity, throughput etc. Obviously a switching engine is peanuts compared to a routing engine, but it is exaggerated by the massive amounts of features they put in routing engines.

Seems to me we almost need a new breed of edge routers, ones that just talk BGP to other providers, and the current edge can stay as they are handling fancy things like MPLS which is really more of an internal routing, therefore switching, feature. Or not :)
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