nanog mailing list archives
Re: Shim6, was: Re: filtering /48 is going to be necessary
From: Masataka Ohta <mohta () necom830 hpcl titech ac jp>
Date: Fri, 16 Mar 2012 09:05:41 +0900
james machado wrote:
For high speed (fixed time) routed look up with 1M entries, SRAM is cheap at /24 and is fine at /32 but expensive and power consuming TCAM is required at /48. That's one reason why we should stay away from IPv6.
I found this bit of research from 2007 ( http://www.cise.ufl.edu/~wlu/papers/tcam.pdf ). It seems to me there are probably more ways to mix and match different types of ram to be able to deal with this beast.
But it's not fixed time. Worse, it synthesis IPv6 table from the current IPv4 ones, which means the number of routing table entries is a lot less than 1M. Masataka Ohta
Current thread:
- Re: Shim6, was: Re: filtering /48 is going to be necessary, (continued)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Masataka Ohta (Mar 14)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Eugen Leitl (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Masataka Ohta (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Eugen Leitl (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary William Herrin (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Eugen Leitl (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Scott Brim (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary William Herrin (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Masataka Ohta (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary james machado (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Masataka Ohta (Mar 15)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Ryan Malayter (Mar 12)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Robert E. Seastrom (Mar 12)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Owen DeLong (Mar 11)
- Re: Shim6, was: Re: filtering /48 is going to be necessary Darrel Lewis (Mar 12)
- Re: filtering /48 is going to be necessary Masataka Ohta (Mar 12)
- Re: filtering /48 is going to be necessary Owen DeLong (Mar 09)
- Re: filtering /48 is going to be necessary Owen DeLong (Mar 09)