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Tuesday, February 5, 2013

Music in the Arts

Question 1. The trans air spirit level and network layer distributively have their own form of addressing. Comp atomic number 18 and contrast these forms and how they stir to the functions of the layers.
The transport layer and network layer both occasion encapsulation and headers to apply addresses to Protocol Data Units.
The transport layer addresses the information by assigning source and destination port amount to the data units - segments through transmission control protocol or UDP protocols. The network layer assigns source and destination IP addresses to its data units - packets using IP protocols. Both the port numbers and IP addresses atomic number 18 locate in the datagram header.
Where the IP addresses ar unique host identifiers and are the network addresses of the source and destination hosts, the port numbers are also unique identifiers, but of the application or do the data came from and where it is heading to.
The main functions of the transport layer are conversation multiplexing, segmentation and reassembly and reliability, predominantly delivered by the transmission control protocol protocol. Port addressing allows different application or service segments to trigger off betwixt hosts on the same network as the port address will ensure that the segment is delivered accurately and reliably.

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transmission control protocol also introduces error reporting as part of its reliability, ensuring that if data is lost then it is resent. Due to the extra functions of TCP, there are excess overheads in the header that consume bandwidth, slowing the act down.
The network layer has one specific function, to communicate packets between end devices. It does so using the unique IP addresses, by transmitting the data through routers until it reaches its destination. This communication is un accredited as IP has no error reporting and is a best-effort protocol. IP addressing has low overheads to enable fast communication.
To create a reliable and accurate form of addressing, the combination of TCP and IP protocols in the transport and network layer work well together. Where TCP is...If you want to get a full essay, order it on our website: Ordercustompaper.com



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