Tag Archives: network

Behind the Wall – What is the Internet Anyway?

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It started when my cousin asked, “So what exactly DO you do for a living?” “Do you have a computer tethered by a data cable to the wall?” I responded. “Yes,” “Well my job is to build what goes on behind the wall.” This conversation happened just a few years… Read more »

Graph Layout – Part 1

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Many applications, especially those that require visualizing complex information, rely on manipulating and presenting data as graphs composed of nodes and links. A graph, in the mathematical context, is a set of objects represented as vertices, or nodes, and a set of links connecting some pairs of objects. The graph… Read more »

Graph Animation

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This is another example of using Processing to create animations. The GraphAnimation program demonstrates packet forwarding by flooding. A packet sent by node A is replicated by every node (router) it reaches and sent in all connected links until it reaches the destination node N. Knowing the shortest route, node… Read more »

What is Ad Hoc Node?

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An ad hoc node refers to a device in a wireless ad hoc network. Ad hoc networks (or more accurately, mobile, multi-hop, wireless networks) are a class of networks that does not depend on any central administration or infrastructure in its operations. Unlike wired networks, an ad hoc network could… Read more »