Tamara Munzner, Eric Hoffman, K. Claffy and Bill Fenner. Visualizing the global topology of the MBone. In Proceedings of the IEEE Symposium on Information Visualization, pages 85-92, 1996.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....our efforts from that of other research is the scope of data collection, i.e. whether data is collected through global, infrastructure wide, monitoring or through local, intra domain, monitoring. While other research efforts have focused on collecting data from a single location[7] 17] [18] and have assumed that it is similar to data in other networks, our work is based on data collected from multiple topologically dispersed locations. We believe that collecting data from a single location alone is not effective[19] and that monitoring on a global scale is critical in generating ....

T. Munzner, E. Hoffman, K. Claffy, and B. Fenner, "Visualizing the global topology of the MBone," in IEEE Symposium on Information Visualization, San Francisco, California, USA, October 1996.

....has to produce clear and helpful drawings, and do so quickly to make it usable in interactive tools. In the most common form of geographic network visualization, edges are shown as geodesics (straight lines or great circles, depending on whether the graph is shown in the plane or on the sphere) [2, 16]. While such drawings can be produced very quickly, small angles and overlap of edges often hinder their unambiguous identi cation, as can be seen in Fig. 1. A method to produce e ective timetable graph visualizations is presented in [5] It uses an automatically classi cation of the edges into ....

T. Munzner, E. Homan, K. Clay, and B. Fenner. Visualizing the global topology of the MBone. Proc. IEEE InfoVis '96, pp. 85-92, 1996.

....without additional constraints. However, some work has been done with applications where the nodes of the graph have preassigned positions in the plane, such as geographical positions. The challenge is then to find a way to draw edges, for example, by using polylines or spline curves[6] 13] [97]. 2.3 Spanning Trees A general problem with the majority of the available techniques is that they are only applicable for relatively small graphs 1 . The traditional concerns of Graph Drawing become much less relevant in graph visualization, which typically deals with relatively large ....

T. Munzner, E. Hoffman, K. Claffy, and B. Fenner, "Visualizing the Global Topology of the MBone", in Proceedings of IEEE Symposium on Information Visualization, San Francisco, California, USA, 1996.

....this information to create a global view of various statistics about the topology. 10. MantaRay, Otter: Both these tools, developed by the Cooperative Association for Internet Data Analysis (CAIDA) are visualization tools. MantaRay is an interactive visualization tool for the MBone topology[16], and Otter is a general purpose topology visualization tool[17] Otter is used in systems like Mantra. 11. MRM: The Multicast Reachability Monitor (MRM) protocol is a developing protocol which aims to provide support for both intra and inter domain multicast monitoring tasks[18, 19] MRM is ....

T. Munzner, E. Hoffman, K. Claffy, and B. Fenner, "Visualizing the global topology of the MBone.," in IEEE Symposium on Information Visualization, (San Francisco, California, USA), October 1996. 27

....at classical scientific visualization of spatial data. For information visualization and visual data mining sophisticated algorithms and metaphors had been devised in recent years to visually inspect abstract and multidimensional information spaces. Cone trees [6] and their hyperbolic projections [7] are only one prominent example. Physics based graph layout is another important paradigm and has been successfully exploited in various applications [8] 9] 10] Good surveys of contemporary information visualization methods can be found in [11] or [12] However, generic toolkits and systems ....

Munzner T., Hoffmann E., Claffy K., Fenner B: Visualizing the Global Topology of the mbone, Proceedings Symposium on Information Visualization 1996.

....networks. The global network view captures the inherent geography in world wide networks and displays network traffic using a natural and understandable metaphor. It scores well on the engaging criteria and has been used by other researchers for such purposes as visualizing MBone Internet traffic [11]. The arc map view captures many of the benefits of the globe while retaining the advantages of the traditional 2D network displays. Users are able to find the most pleasing viewing angles by interactively manipulating the display. This view may also be easily incorporated into other 3D network ....

T. Munzner, E. Hoffman, K. Claffy, and B. Fenner. Visualizing the global topology of the mbone. In Information Visualization '96, 1996. To appear.

....of network overload is provided as an alternative. Animation is supported for inspecting time varying characteristics of data. Lamm et al. uses 3D display to show web server loads on a geographic map [13] Di erent tra c types are color coded, while Munzner look at a 3 D topology representations [10]. Scullin et al. uses a Scattercube Matrix metaphor to display web server performance in a virtual reality environment [12] The above systems mainly focus on high level statistics of network data, while nam currently focuses on packetlevel animation and inspection. More generally, many ....

Munzner, T., Hoffman, E., Claffy, K., and Fenner, B. Visualizing the global topology of the MBone. In Proceedings of the IEEE Symposium on Information Visualization (San Francisco, CA, USA, Oct. 1996), IEEE, pp. 85-92.

....The global network view (Figure 1) captures the inherent geography in world wide networks and displays network traffic using a natural and understandable metaphor. It scores well on the engaging criteria and has been used by other researchers for such purposes as visualizing MBone Internet traffic [MHCF96]. The arc view (Figures 2 and 3) captures many of the benefits of the globe while retaining the advantages of the traditional 2D network displays. Users are able to find the most pleasing viewing angles by interactively manipulating the display. This view may also be easily incorporated into other ....

Tamara Munzner, Eric Hoffman, K. Claffy, and Bill Fenner. Visualizing the global topology of the mbone. In Nahum Gershon and Stephen G. Eick, editors, Information Visualization '96. IEEE Computer Science Press, 1996. To appear.

....in 1994. In February, 1995, about 1700 networks were on the MBone, making the MBone approximately the size that the entire Internet was in 1990 [35] Figure 5: MBone map in 1994 (S. Casner) Some efforts have been made recently to visualize the MBone topology in 3D. An interesting model (Figure 6, [28]) has been presented in VRML (Virtual Reality Modeling Language) 2.5 MBone software In this section an overview of MBone IP multicast support software and analysis tools is given. An extensive MBone software reference list is provided in [23] Some MBone applications will be described in ....

T. Munzner, E. Hoffman, and B. Ferner. Visualizing the Global Topology of the MBone. In Proceedings of the 1996 IEEE Symposium on Information Visualization, pages 85--92. San Francisco, CA, 1996, October 1996.

....macroscopic topology discovery and depiction; Mapnet[9] for visualization of Internet backbone topologies; and MantaRay[10] for interactive graphing of MBone topology. MantaRay is a follow up to Munzer et al. s 1996 collaboration on 3D geographic visualization of the global MBone tunnel topology[11]. CAIDA has also developed and maintains more general purpose topology visualization tools such as Otter[12] and GeoPlot[13] Several useful tools exist for monitoring multicast networks as well[14] Mtrace[15] is an end to end tool that characterizes multicast paths between hosts. MHealth[16] ....

T. Munzner, E. Hoffman, K. Claffy, and B. Fenner, "Visualizing the global topology of the MBone.," in IEEE Symposium on Information Visualization, (San Francisco, California, USA), October 1996.

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Tamara Munzner, Eric Hoffman, K. Claffy and Bill Fenner. Visualizing the global topology of the MBone. In Proceedings of the IEEE Symposium on Information Visualization, pages 85-92, 1996.

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T. Munzner, E. Hoffman, K. Claffy, and B. Fenner, "Visualizing the global topology of the MBone.," in IEEE Symposium on Information Visualization, (San Francisco, California, USA), October 1996.

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Tamara Munzner, Eric Hoffman, K. Claffy and Bill Fenner, "Visualizing the Global Topology of the MBone," Proceedings Information Visualization '96. IEEE Computer Science Press, 1996, pp. 85-91.

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