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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.
Q. What is network layer of osi model? - Describe end-to-end delivery of packets. - Defines logical addressing thus that any endpoint can be identified. - Defines how ro
A network in which there is multiple network links among computers to provide multiple paths for data to travel.
No Retransmission This protocols will not through the correctly received packets but buffers than and send acknowledgment for those packets. Thus retransmission of th
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When an error is discovered the receiver is able to ask the sender to retransmit the entire data unit Error Correction-Forward Error Correction A receiver is able to u
Describe in proper details about OSI Model ? Explain the functions and protocols and services of each layer ?
Explain Asymmetric encryption
Write discussion on Associative mapping - computer architecture
Q. Show the Masking process? Masking Take out the address of the physical network from an IP address Used by routers inside the organization
Question 1: a. Differentiate between the several types of switching networks together with illustration. b. With the help of a diagram explain the two modes of operation un
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