On IPvImperial and IPvMetric flatnetworksociety.com/proceedings/...

The most honest moment at CHI-NOG 13: I asked Brad Gorman (ARIN) what stops someone spoofing a sub-AS as the real origin, and he said “Nothing.” BGPSec died, RPKI won, ASPA is finally shipping. Where routing security actually stands in 2026 (spoiler: not “solved”): routerjockey.com/arin-chinog13

Upscale AI at NFD40: no products yet, but the best AI networking tutorial of the year. Why ECMP fails with 10 flows vs 10K. Why one packet stalls the collective. SkyHammer (scale-up), Spectrum-X (scale-out). Good pitch. Now ship. routerjockey.com/upscale-nfd4...

Amazon announced this week that they'd built the first "flat" hyperscaler data center network. The Society convened. The Society reviewed. The application was declined. flatnetworksociety.com/proceedings/...

Git for Network Engineers, Part 1: From Zero to Your First Pull Request routerjockey.com/git-for-netw...

Selector at NFD40: Show Your Work routerjockey.com/selector-nfd...

Heading to CHI-NOG 13 routerjockey.com/chi-nog-13/

Networks Are Graphs. NetAI Acts Like It. routerjockey.com/netai-nfd40-...

AI Networks Can't Use SDN. Netris Built What's Next. routerjockey.com/netris-nfd40...

I rebuilt RouterJockey's RSS-to-email because apparently I needed another side project like I need another switch in my homelab. (I also added another switch.) Networking posts straight to your inbox. Signup is live. routerjockey.com/subscribe/

AI NOC, Not AI-on-NOC: Aviz Flips the Stack routerjockey.com/aviz-nfd40-a...

Vendor PSA: A Field Guide to Field Day r0ute.net/tfd-field-gu...

Ethernet Commoditizes Everything. Except EOS routerjockey.com/ethernet-com...

I got some samples in of the new PCAP or it didn't happen notebooks from the relaunched Routerjockey.com Store - Really happy with how these came out!

Tim Cook is Leaving. Good. routerjockey.com/tim-cook-is-...

Tim Cook Is Leaving. Good | Discussion

Shameless plug: the RouterJockey store is back routerjockey.com/routerjockey...

One Throat to Choke, or Any Silicon You Want: Cisco at NFD40 routerjockey.com/any-silicon-...

Hey, #NFD40 just wrapped up. Here is my followup: Quick Take: NFD40 Summary. Tags: #PeterWelcher #CCIE1773 #NFD40 #NetworkingFieldDay #TechFieldDay #NetworkingForAI #AINetworking www.linkedin.com/pulse/quick-...

Lightyear at NFD40: Can Software Fix the Telecom Lifecycle? routerjockey.com/lightyear-nf...

Nokia talked to us about Networking in the era of AI at #NFD40 routerjockey.com/nokia-nfd40-...

New post! routerjockey.com/engineering-...