artech house a professionals guide to data communication in a tcp ip world 2004 phần 5 potx

... Contents TLFeBOOK A Professional’s Guide to Data Communication in a TCP/ IP World E. Bryan Carne Artech House, Inc. Boston • London www.artechhouse.com TLFeBOOK A. 4.3 Passband Formats 172 A. 5 Error Control ... purpose is to make origina- tion and destination addresses available to guide data across networks. IP includes several management protocols that a...

Ngày tải lên: 14/08/2014, 13:20

... decapsulation, and the user data are said to be decapsulated. At each layer, the combination of data passed to the layer and the header (or header 32 Data Communication Application Presentation Session Transport Network Data ... Encapsulation and Decapsulation In descending the protocol stack, the overhead data added at each layer is placed in a header, or, in the case...

Ngày tải lên: 14/08/2014, 13:20

... in a frame containing an IP datagram. The frame consists of an IEEE 802 .5 header, an IEEE 802.2 LLC header, an IEEE 802.3 SNAP header, the payload (IP datagram), and an IEEE 802 .5 trailer. Appendix ... zeros after five ones are removed to leave the original data stream. 4.1.2.3 Serial Line Internet Protocol Another encapsulation that can be used to transmit IP datagrams ove...

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... them. 5. 2 Bridging 89 Table 5. 1 Comparison of Frames on Different LANs Field Size Ethernet IEEE 802.3 Token Ring FDDI Preamble Variable 0×AA-AA -A A-AA-AA -A A-AA-AB 0×AA-AA-AA-AA- AA-AA-AA-AA No 0×AA-AA MAC ... delivered to the Internet layer at 72 Wide Area Networks ATM adaptation layer ATM layer Physical layer AAL Convergence sublayer AAL Segmentation and reassembly sublayerAAL IP...

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... in IPv4 and IPv6 datagrams. Encapsulating header Authentication header Original datagram D(1) IPSec authentication tunneling datagram D(2) ESP authentication ESP header ESP trailer Original datagram ... and wrapped (encapsulated) in a second IP datagram. I will call this datagram D[D(1)]2 to symbolize an encrypted IP datagram [D(1)] encapsulated by a second datagram D(2). D(2) c...

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... transport overhead to form a frame. The transport overhead contains data that monitors and manages the optical line between the originating and terminating SONET multiplexers. Payloads that originate from ... (SPE). The path overhead contains data that monitors and manages the electrical and optical connections between originat- ing and terminating multiplexers. To the SPE are added...

Ngày tải lên: 14/08/2014, 13:20

... that unbalance the DSL modem operation and require modem retraining. During retraining, the modems are unable to transmit data. To make retraining as fast as possible, G.lite modems store up to 16 ... methods are in use. For instance, in an Ethernet local area network, the letter a, which, in ASCII is MSB 1100001 LSB will be read into the data stream as ⇐1000011 In a Token...

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... When added to the IP datagram, they form the IP frame. Data service unit Part of data circuit-terminating equipment (DCE) serving a digital line. Data terminal equipment A device that creates, ... The act of sharing data among devices. The act of transfer - ring data among data processing machines over communication links under the control of communication protocol(s...

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... beginning and ending of each IP datagram. Server A device that stores data, organizes and maintains databases, and delivers copies of data files to clients on demand. A process that stores and distributes ... Robert G. Cole and Ravi Ramaswamy Winning Telco Customers Using Marketing Databases, Rob Mattison WLANs and WPANs towards 4G Wireless, Ramjee Prasad and Luis Muñoz World- Cla...

Ngày tải lên: 14/08/2014, 13:20