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Switching via memory
Traditional computers with switching between input and output being doen under direct control of the CPU input and output ports functioned as traditional I/O devices in a traditional operating systems. Aninput port with an arriving packet first signalled the routing processor. The packet was then copied from the input port into processor memory. The routing processor then extract the destination address from the heard looked up the appropriate output port in the forwarding table and the packet to the output buffers. Note that if memory bandwidth is B packets per second can be written into or read from memory them the overall forwarding throughput ( the total rate at which packets are transferred from input ports to output ports ) must be less than B/2.
Shortest path The dijkstra algorithms four steps to discover what it called the shortest path tree . a.The algorithm beings to build the tree identifying its root.
Q. What is Data Representation? Information Today arrives in different forms such as numbers, text, images, audio and video. Text: Represented like a bit pattern a sequence
Mail Message Format When an e mail is sent from one person to another a header containing peripheral information precedes the body of the message itself. This contained
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discuss the communication model from the source to the destination including the detailed account of the task that must be performed in data communication system
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Name some common or popular databases Many of the popular databases also provide support of and to the middleware and consequently, the term middleware has become lesser known.
LEASED SATELLITE CHANNEL: It may span arbitrarily big distance. It is given in the figure below. Figure Satellite connections are low bandwidth to protect cost
A magazine publisher based in Nairobi has branch in Kisumu, and one in Mombasa. The company has kept in touch by telephone and courier service. Each office is networked. The networ
Q. Show example on Hedge Fund? Hedge Fund have been playing a no-lose game In the easiest strategy a hedge fund borrows Hong Kong dollars (HKD) and then sells them in the
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