nanog mailing list archives
Re: "2M today, 10M with no change in technology"? An informal survey.
From: Simon Leinen <simon.leinen () switch ch>
Date: Tue, 28 Aug 2007 08:29:35 +0200
Adrian Chadd writes [on Cisco's TCAM-based 7600/Cat6500 routers]:
Its a great sale; they suddenly have hard limits which "the internet exceeds", forcing the hardware upgrade cycle. Remember how long the Cisco 75xx persisted and note how many people are still running Cisco 720x's with NPE-225's or NPE-400's w/ full tables simply by adding RAM.
"Simply adding RAM" may not be that easy/cheap, especially when you have to upgrade it on many linecards (VIP2s anyone?). On distributed platforms with hardware forwarding in the linecards (GSR) this is/was probably even worse, you have these "hard limits" in the linecards. Replacing centralized switching engines from time to time doesn't seem such a bad value proposition compared to replacing/memory-upgrading line cards. -- Simon. (Who doesn't care much because we're running at ~30'000 IPv4 routes.)
Current thread:
- "2M today, 10M with no change in technology"? An informal survey. David Conrad (Aug 25)
- Re: "2M today, 10M with no change in technology"? An informal survey. William Herrin (Aug 25)
- Re: "2M today, 10M with no change in technology"? An informal survey. Steven M. Bellovin (Aug 25)
- Re: "2M today, 10M with no change in technology"? An informal survey. David W. Hankins (Aug 27)
- Re: "2M today, 10M with no change in technology"? An informal survey. John A. Kilpatrick (Aug 26)
- Re: "2M today, 10M with no change in technology"? An informal survey. Adrian Chadd (Aug 26)
- Re: "2M today, 10M with no change in technology"? An informal survey. Simon Leinen (Aug 27)
- Re: "2M today, 10M with no change in technology"? An informal survey. Adrian Chadd (Aug 27)
- Re: "2M today, 10M with no change in technology"? An informal survey. Adrian Chadd (Aug 26)
- Re: "2M today, 10M with no change in technology"? An informal survey. William Herrin (Aug 25)
- RE: "2M today, 10M with no change in technology"? An informal survey. Ross Callon (Aug 26)
- Re: "2M today, 10M with no change in technology"? An informal survey. David Conrad (Aug 27)
- Re: "2M today, 10M with no change in technology"? An informal survey. Rob Evans (Aug 28)
- Re: "2M today, 10M with no change in technology"? An informal survey. bmanning (Aug 28)
- <Possible follow-ups>
- Re: "2M today, 10M with no change in technology"? An informal survey. Brandon Butterworth (Aug 25)
- Re: "2M today, 10M with no change in technology"? An informal survey. Randy Bush (Aug 25)
- Re: "2M today, 10M with no change in technology"? An informal survey. Jared Mauch (Aug 25)
- Re: "2M today, 10M with no change in technology"? An informal survey. Deepak Jain (Aug 25)
- Re: "2M today, 10M with no change in technology"? An informal survey. Florian Weimer (Aug 26)
- Re: "2M today, 10M with no change in technology"? An informal survey. Randy Bush (Aug 25)