nanog mailing list archives
Re: questions asked during network engineer interview
From: William Herrin <bill () herrin us>
Date: Tue, 21 Jul 2020 12:21:11 -0700
On Mon, Jul 20, 2020 at 9:57 PM Mark Tinka <mark.tinka () seacom com> wrote:
Suffice it to say, to this day, we still don't know what SDN means to us, hehe.
Hi Mark, The Software Defined Network concept started as, "Let's use commodity hardware running commodity operating systems to form the control plane for our network devices." The concept has expanded somewhat to: "Lets use commodity hardware running commodity operating systems AS our network devices." For example, if you build a high-rate firewall with DPDK on Linux, that's now considered SDN since its commodity hardware, commodity OS and custom packet handling (DPDK) that skips the OS. This is happening a lot in the big shops like Amazon that can afford to employ software developers to write purpose-built network code. Regards, Bill Herrin -- William Herrin bill () herrin us https://bill.herrin.us/
Current thread:
- Re: questions asked during network engineer interview, (continued)
- Re: questions asked during network engineer interview Wayne Bouchard (Jul 24)
- Re: questions asked during network engineer interview Mark Tinka (Jul 24)
- Re: questions asked during network engineer interview William Herrin (Jul 24)
- Re: questions asked during network engineer interview Mark Tinka (Jul 24)
- Re: questions asked during network engineer interview Peter Kristolaitis (Jul 24)
- Re: questions asked during network engineer interview Mark Tinka (Jul 24)
- Re: questions asked during network engineer interview Valdis Klētnieks (Jul 23)
- Re: questions asked during network engineer interview Mark Tinka (Jul 22)
- Re: questions asked during network engineer interview Ben Cannon (Jul 21)
- Re: questions asked during network engineer interview Brandon Martin (Jul 21)
- Re: questions asked during network engineer interview William Herrin (Jul 21)
- Re: questions asked during network engineer interview Nick Hilliard (Jul 21)
- Re: questions asked during network engineer interview Mel Beckman (Jul 21)
- Re: questions asked during network engineer interview Mark Tinka (Jul 21)
- Re: questions asked during network engineer interview Owen DeLong (Jul 21)
- Re: questions asked during network engineer interview Mark Tinka (Jul 22)
- Re: questions asked during network engineer interview Robert Raszuk (Jul 21)
- Re: questions asked during network engineer interview Valdis Klētnieks (Jul 21)
- Re: questions asked during network engineer interview Mark Tinka (Jul 21)
- Re: questions asked during network engineer interview William Herrin (Jul 21)
- Re: questions asked during network engineer interview Mark Tinka (Jul 22)