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OSG Networking Area

Welcome to OSG Networking! This is your entry point for networking in the Open Science Grid (OSG) and World-wide LHC Computing Grid (WLCG). Whether you're deploying perfSONAR, troubleshooting network issues, or exploring our monitoring infrastructure, we've organized the documentation around common user journeys.

Get Started

Choose the path that matches your goal:

🚀 Deploy perfSONAR

Quick, tested steps to deploy perfSONAR for OSG/WLCG monitoring.

Choose your deployment type:

  • Testpoint (Container) - Lightweight, recommended for most sites

  • Toolkit (RPM) - Full-featured with local web UI and archive

  • Time: 30-90 minutes depending on type

  • Skill level: Systems administrator

→ Quick Deploy Guide

🔧 Troubleshoot Network Issues

Triage checklist and playbooks for diagnosing network problems.

  • Time: Variable

  • Skill level: Network operator/admin

→ Troubleshooting Guide

🔭 Understand the System

Architecture, data pipelines, and research documentation.

  • Time: Reading/reference

  • Skill level: Developer/researcher

→ Architecture & Research

About OSG/WLCG Network Monitoring

WLCG and OSG jointly operate a worldwide network of perfSONAR agents that provide an open platform for baselining network performance and debugging issues. This monitoring infrastructure is critical for providing visibility into networks and site connectivity.

Key capabilities:

  • Automated bandwidth and latency testing between sites

  • Centralized measurement storage and analytics

  • Integration with WLCG/OSG dashboards and alerting

  • Community-maintained test meshes

Learn more about perfSONAR in OSG/WLCG →

Network Services & Data

OSG operates an advanced platform to collect, store, publish and analyze network monitoring data from perfSONAR and other sources. All measurements are available via streaming APIs and dashboards:

  • perfSONAR Infrastructure Monitoring - monitors perfSONAR network health and service availability

  • OSG Network Datastore - distributed ElasticSearch datastore with JSON API (University of Chicago and University of Nebraska)

  • OSG pSConfig Web Admin - centralized test mesh configuration (contact support for access)

  • WLCG Dashboards - comprehensive performance dashboards combining perfSONAR, FTS, and network traffic data

  • Analytics Platform - ElasticSearch/Kibana/Jupyter for analyzing measurements

!!! note "MaDDash Deprecation" The legacy MaDDash instance at maddash.aglt2.org is deprecated. Use WLCG Grafana dashboards instead.

Support and Feedback

For network problems:

  1. Start with the Troubleshooting Guide or ToolkitInfo

  2. Contact your site's network provider

  3. For OSG-specific support: GOC ticket

  4. For WLCG-specific support: GGUS ticket to "WLCG Network Throughput" or "WLCG perfSONAR support"

For perfSONAR questions: perfSONAR user mailing list