Table of Contents
Identifying problematic inter-domain routing issues
Motivation
TOOL: “Character”
TOOL: “Character”
route change events
Output: route_btoa
Example data sets
Output: route_btoa
Output: What has changed?
Type of changes
Output: AS Path changes
Output: Old AS Path
Sets of updates for a prefix with same attributes
Output: “n-way flapping”
Categorization of changes
Probability distribution of distance between flaps
Time between equal updates
Session resets
Output: possible session resets
Identification of session resets
Output: possible session resets
Updates due to session resets
Duration of session resets
Output: Classification
Update burst
Burst duration
Updates in burst
Output Character
Ongoing work
Conclusion
|