Temporal Changes
Changes in MBGP Topology Over Time

Contrary to the expectations of many, AS paths in an MBGP table change very often. Topologies as seen at 11 different times in a 2-hour period have been overlaid on the following image. The snapshots of the topology were taken at FIXW on 09/14/1999

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What does the color encoding in this map signify?


Gyaaraa-time-stamped-viewes.gif (28238 bytes)
Changes in the MBGP Topology Over Time

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What does the color encoding in this map signify?
As mentioned above the map presented here is an aggregate view of the 11 different snapshots of the MBGP topology, as seen from FIXW. The edges on this map are color coded on the basis of the set of snapshots they were present in. Each of the snapshots is assigned a number from 0-10. The legend maps each set to the corresponding color value. Horizontal bar charts on the right side of the legend displays statistics about the number of edges that are present in each of the sets.
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