STOC '98 Proceedings of the thirtieth annual ACM symposium on Theory of computing
Algorithm 457: finding all cliques of an undirected graph
Communications of the ACM
Graph Drawing: Algorithms for the Visualization of Graphs
Graph Drawing: Algorithms for the Visualization of Graphs
Algorithms for Cartogram Animation
IDEAS '00 Proceedings of the 2000 International Symposium on Database Engineering & Applications
FOCS '98 Proceedings of the 39th Annual Symposium on Foundations of Computer Science
Optimal BSPs and rectilinear cartograms
GIS '06 Proceedings of the 14th annual ACM international symposium on Advances in geographic information systems
Topographic Visualization of Prefix Propagation in the Internet
IEEE Transactions on Visualization and Computer Graphics
Computational Geometry: Theory and Applications
Information space partitioning using adaptive Voronoi diagrams
Information Visualization
Octagonal drawings of plane graphs with prescribed face areas
Computational Geometry: Theory and Applications
Effectiveness of Animation in Trend Visualization
IEEE Transactions on Visualization and Computer Graphics
Orthogonal drawings for plane graphs with specified face areas
TAMC'07 Proceedings of the 4th international conference on Theory and applications of models of computation
Topology-driven force-directed algorithms
GD'10 Proceedings of the 18th international conference on Graph drawing
Visualizing dynamic data with maps
PACIFICVIS '11 Proceedings of the 2011 IEEE Pacific Visualization Symposium
Orthogonal cartograms with few corners per face
WADS'11 Proceedings of the 12th international conference on Algorithms and data structures
Optimal polygonal representation of planar graphs
LATIN'10 Proceedings of the 9th Latin American conference on Theoretical Informatics
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We present a system that visualizes the evolution of the service provided by one of the most popular root name servers, called K-root, operated by the RIPE Network Coordination Centre (RIPE NCC) and distributed in several locations (instances) worldwide. The system can be used either to monitor what happened during a prescribed time interval or to observe the status of the service in near real-time. The system visualizes how and when the clients of K-root migrate from one instance to another, how the number of clients associated with each instance changes over time, and what are the instances that contribute to offer the service to a selected Internet Service Provider. In addition, the visualization aims at distinguishing usual from unusual operational patterns. This helps not only to improve the quality of the service but also to spot security-related issues and to investigate unexpected routing changes.