By John Davidson (auth.)

ISBN-10: 038796651X

ISBN-13: 9780387966519

ISBN-10: 1461245729

ISBN-13: 9781461245728

TCP/IP is presently an important rising protocol suite within the computing device networking box. the necessity for connecting pcs and different digital units jointly will develop exponentially, in in addition to in educational and learn environments. An advent to TCP/IP describes the protocol suite based on the foreign association for Standards'(ISO) seven-level (OSI) reference version. it's a distinctive and invaluable resource of knowledge for everyone or enthusiastic about neighborhood or wide-area machine networking initiatives. it really is written through Dr. John Davidson at Ungermann/Bass, the world's biggest producer of neighborhood sector networks.

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Extra info for An Introduction to TCP/IP

Example text

The destination IP does whatever checking and reassembly processes are required and delivers the datagrams as segments to the destination TCP. 5. The destination TCP carries out its services (as in #2), restoring the segmented data to their original data stream fonn and delivering the data stream to the destination ULPs. Here is a fuller description of the services mentioned in #2 above: Full-duplex - A TCP connection supports simultaneous bidirectional data flow between the correspondent ULPs.

If the flrst (the high, or most signiflcant) bit is zero, then the address is Class A. If the flrst bit is one, it is necessary to examine the second bit; if that bit is zero, the address is Class B. If the second bit is one, on the other hand, it is necessary to look at the third bit. Right now the third bit is always zero so the address is always Class C. A value of one for this bit designates a Class D, which is not currently in use. 9 Figure 3-9. Possible Network Types An IP Address is often displayed as four flelds separated by a dot, each fleld being one byte (valued 0-255).

The goal of this associating is to provide a service by which applications can talk with one another just as though they had a physical point-to-point link. A Transport protocol accomplishes this service by splitting an application's data into a sequence of packets and then managing the transmission (and retransmission) of these packets so as to provide delivery of data in order, without duplication or omission. TCP/IP provides two principal protocols at Layer Four the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP), as illustrated by Figure 4-2.

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An Introduction to TCP/IP by John Davidson (auth.)


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