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Routing Through the Forest of Trees
Some friends shared a Reddit post the other day that made me both shake my head and ponder the state of the networking industry. Here is the locked post for your viewing pleasure. It was locked...
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The Puzzle of Peering with Kentik
If you’ve worked at an ISP or even just closely with them you’ve probably hearing the term peering quite a bit. Peering is essentially a reciprocal agreement to provide access to networks between two...
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The Value of Old Ideas
I had a fun exchange on Twitter this week that bears some additional thinking. Emirage (@Emirage6) tweeted a fun meme about learning BGP: Okay, it's decided. This is how I am going to handle BGP in...
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The Network Does Too Much
I’m at Networking Field Day this week and it’s good to be back in person around other brilliant engineers and companies. One of the other fun things that happens at Networking Field Day is that I get...
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IP Class is Now in Session
You may have seen something making the rounds on Twitter this week about a couple of proposed drafts designed to alleviate the problems with IPv4 exhaustion by repurposing some old IP spaces that...
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BGP Hell Is Other People
If you configure a newsreader to alert you every time someone hijacks a BGP autonomous system (AS), it will probably go off at least once a week. The most recent one was on the first of April courtesy...
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SD-WAN and Technical Debt
Back during Networking Field Day 22, I was having a fun conversation with Phil Gervasi (@Network_Phil) and Carl Fugate (@CarlFugate) about SD-WAN and innovation. I mentioned that it was fascinating to...
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AI and Trivia
Photo by Pixabay on Pexels.com I didn’t get a chance to attend Networking Field Day Exclusive at Juniper NXTWORK 2019 this year but I did get to catch some of the great live videos that were recorded...
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The End of SD-WAN’s Party In China
As I was listening to Network Break Episode 257 from my friends at Packet Pushers, I heard Greg and Drew talking about a new development in China that could be the end of SD-WAN’s big influence there....
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The Confluence of SD-WAN and Microsegmentation
If you had to pick two really hot topics in the networking space right now, you’d be hard-pressed to find two more discussed than SD-WAN and microsegmentation. SD-WAN is the former “king of the hill”...
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QoS Is Dead. Long Live QoS!
Ah, good old Quality of Service. How often have we spent our time as networking professionals trying to discern the archaic texts of Szigeti to learn how to make you work? QoS is something that seemed...
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The Voice of SD-WAN
SD-WAN is about migrating your legacy hardware away from silos like MPLS and policy-based routing and instead integrating everything under one dashboard and one central location to make changes and...
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Reclaiming 1.1.1.1 For The Internet
Hopefully by now you’ve seen the announcement that CloudFlare has opened a new DNS service at the address of 1.1.1.1. We covered a bit of it on this week’s episode of the Gestalt IT Rundown. Next to...
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Can Routing Be Oversimplified?
I don’t know if you’ve had a chance to see this Reddit thread yet, but it’s a funny one: We eliminated routing protocols from our network! Short non-clickbait summary: We deployed SD-WAN and turned...
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Programming Unbound
I’m doing some research on Facebook’s Open/R routing platform for a future blog post. I’m starting to understand the nuances a bit compared to OSPF or IS-IS, but during my reading I got stopped cold...
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Should We Build A Better BGP?
One story that seems to have flown under the radar this week with the Net Neutrality discussion being so dominant was the little hiccup with BGP on Wednesday. According to sources, sources inside...
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An Opinion On Offense Against NAT
It’s been a long time since I’ve gotten to rant against Network Address Translation (NAT). At first, I had hoped that was because IPv6 transitions were happening and people were adopting it rapidly...
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Cisco and Viptela – The Price of Development Debt
Cisco finally pulled themselves into the SD-WAN market by acquiring Viptela on Monday. Viptela was considered to be one of, if not the leading SD-WAN vendor in the market. That Cisco decided to pick...
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Building Reliability
Systems are inherently reliable. Until they aren’t. On a long enough timeline, even the most reliable system will eventually fail. How you manage that failure says a lot about the way your build your...
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Sorting Through SD-WAN
SD-WAN has finally arrived. We’re not longer talking about it in terms of whether or not it is a thing that’s going to happen, but a thing that will happen provided the budgets are right. But while...
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