June 22, 2016
How I learned to stop worrying and trust my routes
If you are a network engineer, should you be apprehensive? After all, you still trust a 27-year-old mechanism – conceived in 1989 as a short-term so...
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May 26, 2016
Stay Up to Stay in Business – The Cause and Cost of Downtime
When everything else is done right, the only thing an enterprise has to do to stay in business is stay up. In other words, uptime or near-zero downtim...
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June 16, 2015
Will SIDR Succeed Where the IRR Model Failed? (Part 2)
This article is the second of a three-part series where I compare and contrast the IRR and SIDR security models as well as discuss how we can get clos...
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June 9, 2015
Will SIDR Succeed Where the IRR Model Failed? (Part I)
This article is the first of a three-part series where I compare and contrast the IRR and SIDR security models as well as discuss how we can get close...
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April 15, 2015
Route Hijacking of Sensitive Network Traffic Highlights BGP Security Issues
Last month web traffic designated for some highly sensitive UK entities – including the nuclear weapons agency that provides and maintains warheads...
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September 16, 2014
Close to the wire: How route analytics can help prevent BGP-caused outages
At around 3:00 a.m. Eastern Daylight Time on August 13th, Internet users started reporting slow connectivity and intermediate outages. This impacted m...
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September 9, 2014
How Route Analytics Help Detect BGP Route Hijacking
  Previously, I have talked about BGP route hijacking as a security threat and various techniques being developed to secure it. In this blog entry, I...
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August 12, 2014
Thwarting BGP Route Hijacking with SDN as a Catalyst
Following up on my last post about the security vulnerabilities in BGP, the IETF has taken two efforts to fix them. Back in 1995, the Routing Policy S...
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August 6, 2014
BGP Security Vulnerabilities a Growing Concern
Border Gateway Protocol (BGP), the protocol that connects different networks together, was not designed with security in mind. It is easy to take down...
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July 29, 2014
Geo-Political Instability = Network Instability
It was an incredible time to be in the tech business. Al Gore had kick-started the Internet, and the World Wide Web was just beginning to form –...
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