Abilene Weather Map (using MRTG data) Mark Meiss Indiana University Network Operations Center Indiana University, Bloomington, IN (IU) URL: http://hydra.uits.iu.edu/~abilene/traffic/ Visualization Thumbnail About the Visualization Visualization Techniques: (Technique1): Configuration file specifies pixel location of polygonal shapes: circle for each router, bar with half arrowhead for each link. Key Visualization Mappings: (Mapping1): 11 core Abilene backbone routers are displayed geographically as labeled circles: STTL = Seattle, WA SCRM = Sacramento, CA LOSA = Los Angeles, CA DENV = Denver, CO KSCY = Kansas City, MO HSTN = Houston, TX IPLS = Indianapolis, IN ATLA = Atlanta WASH = Washington, D.

Abilene Weather Map (using MRTG data) Mark Meiss Indiana University Network Operations Center Indiana University, Bloomington, IN (IU) URL: http://hydra.uits.iu.edu/~abilene/traffic/ Visualization Thumbnail Credits / Contact Info Author: Animated Traffic Map: Mark Meiss Copyright 1998,1999, The Trustees of Indiana University MRTG: Tobias Oetiker and Dave Rand Contact Info: Comments to: noctools @ hydra.uits.iu.edu Click Image for Full-Size Visualization Back

Abilene Weather Map (using MRTG data) Mark Meiss Indiana University Network Operations Center Indiana University, Bloomington, IN (IU) URL: http://hydra.uits.iu.edu/~abilene/traffic/ Visualization Thumbnail Data Data Sources: (Source1) MRTG polls SNMP MIB of each monitored router every five minutes for line utilization and network errors on each router's attached links. Data Specification: (Data1) Five minute exponentially decaying sum of moving average of input and output bits per second (Data2) Percent of input and output packets in error or discarded at the router during each five-minute polling interval, multiplied by 1000.

Abilene Weather Map (using MRTG data) Mark Meiss Indiana University Network Operations Center Indiana University, Bloomington, IN (IU) URL: http://hydra.uits.iu.edu/~abilene/traffic/ Visualization Thumbnail Evaluation Strengths: (Strength1): Color-coded, timestamped snapshots of router traffic levels give quick indication of general backbone utilization and health. (Strength2): Hot links to underlying MRTG graphs offer glimpses of more specific trends and historical averages. Issues: (Issue1): Usefulness of display and statistics is limited to cursory overview.