Throughput Meeting --- August 17, 2016

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Attending: Shawn, Marian, Xinran, Ilija, Andy, Jason

Excused: Horst

AGENDA:

0) Agenda review -- No changes. Must be August since not many showed up for today's meeting :)

1) perfSONAR status

i) New network problems - RAL issue (see slides today), MIT issue: MANLAN->MIT mbit/sec. Jason: LHCONE complicating the problem. See https://www.dropbox.com/s/qkcswsil3x8lhs0/perfsonar-traffic-flow.jpg?dl=0

and https://www.dropbox.com/sh/9hfgfbh56ut1ue0/AABs0Dt3v7vovsoZae2Dqf4ra?dl=0 from Michael Tiernan. Marian: Try tracepath from MANLAN to MIT to check MTU?

ii) Updates on perfSONAR, MaDDash, mesh-config, etc. Andy: Prepping for RC for perfSONAR in a few weeks. Also test version of MaDDash available.

Mesh-configuration challenges: who own this? Need long-term home.

2) Presentation on Network Analytics (Xinran Wang & Ilija Vukotic / UC) See the network analytics presentation at :

Question about whether ML is taking into account the topology? No not yet. Alerting system is chatty? Ilija: not too much so...tests showed

a few emails a day. Test it yourself. Marian: question about NTP issues and bad time? Lots of discussion. Marian also noted new student

will be at CERN and available to work on network analytics for ~2 months to see if there is a suitable bachelor's level topic there. Will

open email thread with Ilija on possibilities.

3) Round-table: Items to discuss? No time this meeting.

4) AOB and next meeting: We will be having the next meeting sometime in September (8th) and will be the European variant.

We will send email notification as we get closer.