artech house a professionals guide to data communication in a tcp ip world 2004 phần 7 ppsx

... 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 178 A. 5.1 ... purpose is to make origina- tion and destination addresses available to guide data across networks. IP includes several management protoc...

Ngày tải lên: 14/08/2014, 13:20

... placed in a header, or, in the case of the data link layer, a header and trailer. This procedure is known as encapsulation, and the headers and trailer are said to encapsulate the user data. In ... Several strategies are being attempted to bring IPv6 into the Internet mainstream. Three of them are: create a separate IPv6 backbone; send IPv6 datagrams in IPv4 tunnels; and...

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... 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 over a point -to- point link ... 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...

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... 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 datagram 48...

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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 ... switch Hub/switch WAN E VLAN-unaware domain VLAN-unaware domain VLAN-unaware domain LAN LAN Figure 5.10 VLAN domains. TLFeBOOK Connecting a private network to the Internet has certain ad...

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... originat- ing and terminating multiplexers. To the SPE are added 27 bytes of transport overhead to form a frame. The transport overhead contains data that monitors and manages the optical line ... by approxi - mately 1.5 ms. 128 Transmission Facilities Subrate multiplexer Subrate data lines Various rate data lines Data payload 1.288 Mbits/s≤ Terminal Repeater Line repeater Line...

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... 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 operating profiles. 8.1.2.8 ... signal associated common channel signaling Inter-office disassociated common channel signaling SS7 packets TDM signal Signal transfer points are duplicated and fully connected IN I...

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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