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OSPF Monitoring: Architecture, Design and Deployment Experience

Aman Shaikh	Albert Greenberg
AT&T Labs - Research	AT&T Labs - Research
Florham Park, NJ 07932, USA	Florham Park, NJ 07932, USA
ashaikh@research.att.com	albert@research.att.com

• Abstract
• Introduction
• Related Work
• OSPF Overview
• Architecture
• LSAR
• LSAG
  • Classification of Real-time Messages
  • Topology Model
• OSPFScan
• Performance Evaluation
  • Methodology
  • Results
• Deployment Experience
  • Utility of the Monitor
    • LSAG in Day-to-day Operations
    • Use of OSPFScan for Detailed Analysis
  • Lessons Learned
• Conclusion
• Bibliography
• About this document ...