artech house a professionals guide to data communication in a tcp ip world 2004 phần 4 pot

... Formats 170 x 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 ... purpose is to make origina- tion and destination addresses available to guide data across networks. IP includes several management protocols that are essenti...

Ngày tải lên: 14/08/2014, 13:20

... bring IPv6 into the Internet mainstream. Three of them are: create a separate IPv6 backbone; send IPv6 datagrams in IPv4 tunnels; and send IPv6 on dedicated data links. Each of them has had some ... 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 th...

Ngày tải lên: 14/08/2014, 13:20

... (PPP) and Serial Line Internet Protocol (SLIP) are used to transport IP datagrams over point -to- point connections. 4. 1.2.1 PPP PPP encapsulates an IP datagram with an HDLC header and trailer. ... 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 tr...

Ngày tải lên: 14/08/2014, 13:20

... 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 Header Starting delimiter 1 byte No 0×AB JK JK Access control 1 byte No No Yes No Frame ... not 4. 2 Nonbroadcast Multiple Access Links 73 AAL5 trailer 8 256 bytes 820 Application PDU 5 bytes header 48 bytes payload (SARPDU) 8 bytes pad CS PDU (IP datagram with AAL5 trailer) 5...

Ngày tải lên: 14/08/2014, 13:20

... 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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... The transport overhead contains data that monitors and manages the optical line between the originating and terminating SONET multiplexers. Payloads that originate from the T-carrier family consist ... 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 r...

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 ... reconstructed signal to a 4- kHz bandwidth. A. 4. 3 Passband Formats The sideband components of the passband signal carry the information contained in the baseband signal. A pa...

Ngày tải lên: 14/08/2014, 13:20

... 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...

Ngày tải lên: 14/08/2014, 13:20

... 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