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The GÉANT PMV SIG (SIG-PMV) is focusing on performance monitoring and verification topics from both a research and operations perspective, and in identifying and establishing best practises for wired/wireless (campus) networks, and the networks that connect them. SIG-PMV activities are open to all interested parties within the GÉANT community (NRENs, universities, research organizations, etc) and international organisations it collaborates with e.g. ESnet, Internet2, user communities etc.

At present there is a wide range of PMV tools available, and their usage varies between communities, based on the requirements, levels of knowledge, and other factors. Examples include use of open source tools such as iperf, commercial tools integrated into vendor platforms, bespoke packages such as perfSONAR, and ‘lightweight’ community initiatives such as the RIPE Atlas project. New work is also emerging in areas such as crowdsourced wireless performance monitoring.

Further information can also be found on the SIG-PMV wiki.


Monday, June 11

14:00 - 14:10

Welcome and Introductions

Welcome to the meeting!
Kurt Baumann - SWITCH staff
14:10 - 14:30

GÉANT DTN deployment and early Pilots

The talk will introduce the deployment of the Data Transfer Node Service in the GÉANT network. The service aims to provide a facility to enable validation of transfer performance for campus or user community DTNs. The talk will give details of the network and storage hardware used as well as the network test and data transfer tools currently available. This will be followed by presentation of some of the results from early pilot tests including those from the AENEAS project.
14:30 - 14:50

Reproducible Performance Tests with MoonGen

Proper benchmarking is hard. It's easy to make seemingly innocent mistakes that ruin your test results. One of them is using an unreliable or imprecise software packet generator.This talk is about our software packet generator MoonGen and how we use it to run reproducible performance experiments using commodity hardware. We will discuss the challenges we faced while building a precise software packet generator. One of them was that software packet generators often send bursty traffic instead of the configured traffic pattern. Another problem we faced and solved is accurate and precise timestamping.
14:50 - 15:10

Resources Monitoring in GTS

Two groups of resources are monitored in GTS (data collected in Zabbix): In this presentation we explain the concept of monitoring for GTS. Further we demonstrate the existing monitoring tools, show the roadmap, development and approaches. This is focusing on GTS system resources, GTS user projects or tenant resources and the automated monitoring of parameters in the background.
15:10 - 15:30

Need for High Performance Data Plane and Cache Consistency

Session on how packet processing operations, header lookups, sanity checks, quality of service get translated onto CPU cycles and the performance considerations while implementing VNFs. (Speaker: Sujata Tibrewala) (2) Requirements and its Packet Processing Performance Implications: Session on how where the data is stored in your VNF affects the performance under the hood and what CPU architecture advances optimize them for faster packet processing and agile VNFs (Speaker: Muthurajan Jayakumar)