Telecommunication protocols
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.Connection Oriented Transport Protocol Mechanisms Logical connection Establishment Maintenance termination Reliable e.g. TCP .Reliable Sequencing
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Ensuring the sending entity does not overwhelm the receiving entity Preventing buffer overflow Transmission time Time taken to emit all bits into medium Propagation time Time for a bit to traverse the link
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The Data-Link layer is the protocol layer in a program that handles the moving of data in and out across a physical link in a network. The Data-Link layer is layer 2 in the Open Systems Interconnect (OSI) model for a set of telecommunication protocols.The Data-Link layer ensures that an initial connection has been set up, divides output data into data frames, and handles the acknowledgements from a receiver that the data arrived successfully. It also ensures that incoming data has been received successfully by analyzing bit patterns at special places in the frames....
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Chapter 1. The Evolution of Signaling This chapter is intended to provide a sound introduction to the world of telecommunications signaling. It is particularly written for those readers who have little or no signaling knowledge.
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Summary The Intelligent Network is a continually-evolving model for distributed service processing in the telecommunications network. The models that represent call processing provide a generic interface for distributed control
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Summary SS7 is a data communications network that acts as the nervous system to bring the components of telecommunications networks to life. It acts as a platform for various services described throughout this book.
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Signaling System No. 7: The Key to Convergence Telecommunications network operators can realize increased investment returns by marrying existing SS7/C7 and intelligent networking infrastructures
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Regional Standards North America, Europe, and Japan play a major role in the ITU-T and also set their own regional standards based on the ITU-T recommendations. ETSI ETSI is a nonprofit organization responsible for setting standards for telecommunications systems in Europe. ETSI was set up by the CEC (Commission of the European Communities). ETSI is an open forum that unites 728 members from 51 countries, representing administrations, network operators, manufacturer
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Mô hình tham chiếu OSI Quá trình xử lý và vận chuyển một gói dữ liệu Mô hình tham chiếu TCP/IP 2 Mô hình OSI Khái niệm giao thức mạng Giới thiệu các tổ chức định chuẩn Giới thiệu mô hình OSI Chức năng của từng lớp trong mô hình OSI 3 Giao thức (protocol) Giao thức (protocol) là các qui tắc giao tiếp giữa hai hệ thống
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Specifies the electrical, mechanical, procedural, and functional requirements for activating, maintaining, and deactivating the physical link between end systems. Examples of physical link characteristics include voltage levels, data rates, maximum transmission distances, and physical connectors.
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