Research Networking Track

Training Network Administrators in a Game-Like Environment - Murat Yuksel 

Training with game system to provide practice for ISP networking on things like load balancing configurations.  On average could get 15-20% improvement in results (better configurations) as a result of practicing with a network game for configuration. Researcher's primary ask: what training should we focus on? Which tasks?

Water, not Land [A perspective on IPv4 runout] - Julie Percival 
Attempt to use social science modeling to look at IPv6 deployment issues. However, pretty major tech disconnect on the details so the model might be useful but it wasn't proven. Nonetheless, it's a good idea, and clearly the developers of IPv6 did not meet their goals for deployment. So what went wrong is a good question, and it's interesting that this is the first NANOG in which I have heard that question asked.

Evaluating Network Buffer Size requirements for Very Large Data Transfers - Michael Smitasin
ESnet / Nat'l lab traffic patterns. Lots of labs have 100Gbps links and ESnet is going to 100Gbps core. Petabyte/sec generating 50Gbps and new requirements will be 180Gbps.
Bufferbloat: Premise is that big buffers cause higher latency with bad impact. But this is for mouse flows vs elephant flows.

Large decrease in throughput over long distance for very small losses.
Need large enough buffers for common microburst conditions, but no more.
So, is it possible to detect proper buffer size?
Packet burst size of 65, no losses ever seen. 300 packet burst size will see packet loss if link is congesting and buffers are being used.
Linux kernel 3.1.1 and above supports fair queuing - just enabling FQ made significant improvement in throughput over long paths.
Used iperf3 to generate loads. Used nuttcp to simulate burst traffic
schedFQ in Linux has packet pacing that may be what is going on
FQ is promising but cannot replace sufficient buffers
Can we say how big buffers should be? You need to test and find out.

http://fasterdata.es.net
http://people.usuc.edu/~warner/buffer.html

Used reno stack

Pacific Research Platform - John Hess and Camille Crittenden

CENIC initiatives. CA networking to schools, etc. 3,800mi of optical fiber, 10,000 sites, 20M daily users.
New NSFnet-funded initiative called CITRIS center for IT research in the interest of society. 6 of 10 UC campus, new IT solutions with social benefit. Health, energy and environment, robotics, connected communities nanotech.



Science DMZ/High-performance network security [time-permitting] - Michael Sinatra - See more at: https://www.nanog.org/meetings/abstract?id=2563#sthash.8UO4wyXx.dpuf