nanog mailing list archives
Re: questions asked during network engineer interview
From: Mark Tinka <mark.tinka () seacom com>
Date: Tue, 21 Jul 2020 23:55:49 +0200
On 21/Jul/20 21:21, William Herrin wrote:
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.
It's possible that I wasn't clear. For the avoidance of doubt, "we still don't know what SDN means to us" means "we are not sold on the snake oil". Mark.
Current thread:
- Re: questions asked during network engineer interview, (continued)
- 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)
- Re: questions asked during network engineer interview William Herrin (Jul 22)
- Re: questions asked during network engineer interview Mark Tinka (Jul 22)
- RE: questions asked during network engineer interview adamv0025 (Jul 22)
- RE: questions asked during network engineer interview adamv0025 (Jul 21)
- Re: questions asked during network engineer interview William Herrin (Jul 22)
- Re: questions asked during network engineer interview Michael Thomas (Jul 14)