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Usage Manual on
Network Weathermap Tool
Last Updated: October 02, 2002
Synopsis
This how-to will help you explore the usage of the PREGINET Network Weathermap system. The INANNA is an open-source software written by Mark Meiss from Indiana University. It is a valuable visualization tool that co-exists with the MRTG tool. Using MRTG alone, we can already see the current bandwidth consumption for each link. But, it is hard to see the overall picture of the network. Thus, the weathermaps was used for visualizing the overall network in form we usually call a network weathermap.
The weathermap represents the traffic or bandwidth consumption for each link using colored representation. When a link is fully utilized (100% utilized), the color of the link is RED. When the color is GREEN, it means our link is under utilized (less traffic).
Definition
These are the basic components of the weathermap:
-
Clickable Image Map - used to view or zoom in / zoom out the weathermap. The image map has four components with color-coded regions:
- [YELLOW] - Main Weathermap
- [BLUE] - Luzon Weathermap
- [GREEN] - Visayas Weathermap
- [RED] - Mindanao Weathermap
- Clock/ Time - A clock and a time shows the current update time of the weathermap.
- Colored Arrows - The arrows represents the links of the network represented by the weathermap. The color of these arrows changes over time depending on the current traffic. The current traffic is being taken from the MRTG logs.
- Numeric Utilization - Beside each arrows, you will see a numeric value which shows the current bandwidth consumption expressed in bits per second (bps).
Usage
Basically, a weathermap will show the current bandwidth consumption of the network's links. It will let us see which links are under or over utilized. The color was being based by the INANNA program in the existing MRTG logs. So, the network weathermap co-exists with MRTG. If you want to know the detailed MRTG graph of the link, just hover your mouse in the colored link. If your browser is Internet Explorer 5 or higher, the Javascript will work. A window will pop-up showing the hourly MRTG graph. If the Javascript doesn't work once you hover your mouse pointer on the link, the browser you are using does not support Java scripts.
The weathermap refreshes every 5 minutes or less. If you want to view the updated map, just hit refresh in your browser or wait a couple of miuntes and it will refresh by itself.
The PREGINET Network Weathermap is divided into three major weathermaps representing Luzon, Visayas and Mindanao.
When you visit each weathermap you will see the geographic locations of the exchange points (XP's), access points (AP's) and partner institutions.
Implementation
You may want to install this tool in you own network. It's easy to install! Just read our Network Weathermaps Tutorial and follow the instructions and you'll now be able to visualize your network's traffic using this tool.
Tutorial: Network Weathermaps using INANNA
Packages Needed:
PREGINET FTP: Download Packages
Support: If you want any help regarding the installation of this tool, email pregi-web@asti.dost.gov.ph,
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