[address-policy-wg] Source of routing table growth
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Mark Townsley
mark at townsley.net
Fri Jul 1 13:24:08 CEST 2011
On Jul 1, 2011, at 12:46 PM, Turchanyi Geza wrote: > Hello, > > On Thu, Jun 30, 2011 at 11:04 AM, Sascha Lenz <slz at baycix.de> wrote: > Hi, > > [...] > > > why do you expect a "sudden spike"? You know, IPv6 adoption is painfully slow. > And actually, that's one of the points why some (most?) support the proposal, to speed that up! > > > Not the IPv4 PI address space holders create the real problems... > > So, i'm a little confused now why this is bad. > > I don't know if this few (yes, it's "few" for me) more IPv6 prefixes will cause any problems at all, > or if bugs are trigged, no one knows. We'll have to see, or someone might want to write a paper about it indeed :-) > > And why should THIS be a money issue? If you don't plan for 20k IPv6 prefixes when buying new border routers nowadays, what the hell are you doing? > And what "border-router-grade" hardware doesn't support this few prefixes? > > I'm FAR more concerned about IPv4 table growth/deaggregation after exhaustion... > > We are concerned as well! However, the two tables share the same phisical memory! Not to mention all the routes in the various VRFs - a large L3VPN deployment can surpass a single instance of the global v4 and v6 table combined... ...all a pittance of course compared to the state in a big CGN. - Mark > > > -- > Mit freundlichen Grüßen / Kind Regards > > Sascha Lenz [SLZ-RIPE] > Senior System- & Network Architect > > Géza -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.ripe.net/ripe/mail/archives/address-policy-wg/attachments/20110701/a502608f/attachment.html>
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