Richard Lucas' Blog

CS stuff and more...

Securing Internet Routing

Border Gateway Protocol (BGP)BGP, an important piece of the larger Internet’s architecture, is a protocol that enables the setting up of routing and exchange of reachability information between lar......

Posted by Richard Lucas on Apr 23 2016

Jellyfish Data Center Topology Review

What is Jellyfish?Jellyfish, an incrementally-expandable, high-bandwidth data center networking topology based on randomness. Definition: a degree-bounded random graph topology among top-of-rack s......

Posted by Richard Lucas on Apr 22 2016

Understanding DASH (Dynamic Adaptive Streaming over HTTP)

What is DASH, comparatively?Dynamic Adaptive Streaming over HTTP (DASH) is a standard that intends to address weaknesses in RTSP and progressive download methods currently used in streaming content......

Posted by Richard Lucas on Apr 20 2016

Understanding Controlling Queue Delay and CoDel

This is a survey of the “Controlling Queue Delaty” academic paper by Kathleen Nichols and Van Jacobson from ACMQueue in 2012.[1] Bufferbloat is still a problem!Packet-based networks use buffers to ......

Posted by Richard Lucas on Apr 19 2016

Understanding Sizing Router Buffers

This is a survey of the “Sizing Routing Buffers” academic paper by Appenzeller, Keslassy, and McKeown published in 2004. In the past, Internet routers had buffers that used a rule-of-thumb using th......

Posted by Richard Lucas on Apr 17 2016