data communication and networking notes for bsc

... Data Communication and Networking Dr –Ing Vo Que Son Email: sonvq@hcmut.edu.vn Telecomm Dept Faculty of EEE DCN-2013 HCMUT Content  Chapter 3: Data Link Layer Protocols ... Control field  4-bit data length (number of bytes in data field); valid values:  bit specifies standard or extended format; bit unused  Data field: to bytes  CRC field: 15-bit CRC, followed ... Address Function Data Checksum Valid codes are in the range of 255 decimal Request : The function code field tells the slave what kind of action to perform Response : For a normal response,

Ngày tải lên: 04/12/2016, 08:57

... Chương Network Layer Phần - Internetworking Tài liệu : Forouzan , Data Communication and Networking 19/09/2016 Nội dung Địa IPv4 Internetworking Giao thức Internet (IP) Địa IPv6 ... động tầng network : Routers 19/09/2016 Kết nối network 19/09/2016 Network layer Data Link layer Network layer Data Link layer 19/09/2016 10 Routing table classful addressing system Bảng định ... mạng giao tiếp với : cần có router 19/09/2016 33 Tóm tắt • Chức Router : chuyển tiếp định tuyến (Forwarding Routing) • Để chuyển tiếp gói tin, Router thamkhảo bảng định tuyến • Bảng định tuyến

Ngày tải lên: 21/07/2022, 15:45

... online social networking data is becoming more and more complex, heterogeneous and temporal, and it becomes more and more challenging to manage such data In the past decades, various database models ... query language SNGQL designed for the new graph database system The graphical formalism in this thesis for online social networking data offers high expressibility and adequate modeling power ii ... preserve local pattern information for the nodes, which is especially useful for search space pruning before costly pattern matching Given a social networking data graph G and a query pattern P,

Ngày tải lên: 04/10/2015, 10:24

... way and when This provides accurate and timely transfer of information between different devices on a network 13 Standards are needed to create and maintain an open and competitive market for ... Headers and trailers are control data added at the beginning and the end of each data unit at each layer of the sender and removed at the corresponding layers of the receiver They provide source and ... Station Station 25 The telephone network was originally designed for voice communication; the Internet was originally designed for data communication The two networks are similar in the fact that

Ngày tải lên: 12/04/2023, 21:01

... of XGAP database for genotype and phenotype experiments Store Store genotype and phenotype experimental data using only four ‘core’ data types: Trait, Subject, Data, and DataElement For example: ... infrastructures for statistical analysis [20-24] and/or integration of back-ground information from public databases [25]; and a simple file format to load and exchange data within and between projects ... text-file format for data exchangeTo enable data exchange using the XGAP model, we produced a simple text-file format (XGAP-TAB) based on the experience that for data formats to be used, data files

Ngày tải lên: 09/08/2014, 20:21

... speaks itself for his commitment. I am most grateful to him for his efforts in nurturing my research skills and critical thinking. I am grateful to Prof. Ananda, he was always there for everything. ... design and implement efficient large data dissemination and collection protocols for wireless sensor networks, which outperform state-of-the-art protocols by a large margin. 5.4 Performance ... Ananda. Indriya: A Low-Cost, 3D Wireless Sensor Network Testbed. In Proceedings of TRIDENTCOM, 2011. [39] Vlado Handziski, Andreas Kopke, Andreas Willig, and Adam Wolisz. TWIST: A Scalable and

Ngày tải lên: 10/09/2015, 09:10

... modulating, and error detection before learning about data transfer across the Internet This eliminates the need for two courses: One for telecommunications and one for data communications The first nine ... WHY STUDY DATA COMMUNICATIONS DATA COMMUNICATION 1.3 NETWORKS Components Distributed Processing Network Criteria Applications 1.4 PROTOCOLS AND STANDARDS Protocols Standards 1.5 STANDARDS ORGANIZATIONS ... mechanisms underlying telecommunications and networking come from a variety of academic and professional backgrounds To be useful, a textbook on data communications and networking must be accessible

Ngày tải lên: 24/10/2017, 13:15

... worldwide network 13 Standards are needed to create and maintain an open and competitive market for manufacturers, to coordinate protocol rules, and thus guarantee compatibility of data communication ... points, information for error detection, etc The data link layer is responsible for a framing data bits b providing the physical addresses of the sender/receiver c data rate control d detection and ... Headers and trailers are control data added at the beginning and the end of each data unit at each layer of the sender and removed at the corresponding layers of the receiver They provide source and

Ngày tải lên: 16/10/2021, 15:39

... analysed, and the relevant optimisation performed before the subsequent step is started Both the data-taking and the data-analysis of each step must 362therefore be performed as quickly as possible, and ... (ROD) data and communication paths 2.1.1 Operating Modes 162The ROD supports the two main modes of operation: physics data-taking and detector calibrations The data-path through the Formatter and ... 190protocol A system of communication registers, “primitives”, “tasks” and text-buffers is used for RCC-toROD and Master-to-Slave inter DSP communication and control 192The communication registers

Ngày tải lên: 18/10/2022, 05:49

... Archives and Special Collections Council (SIASC) Data Elements and Recommended Standards for Archival Description of Photographs and Photograph Collections Arc hives of American Art National Air and ... Requirement Level Mandatory • Date • Form and Genre • Physical Description • Repository Name and Address • Subject: person, topical, culture and geographical (one mandatory) • Title Mandatory if Applicable ... Culture, see subject Date [Mandatory] Electronic Access and Location (URL) [Mandatory if Applicable] Exhibitions and Usage of image [Optional/Recommended] Form and Genre [Mandatory] General Note,

Ngày tải lên: 18/10/2022, 23:14

... Data Mining Cluster Analysis: Advanced Concepts and Algorithms Lecture Notes for Chapter 9 Introduction to Data Mining by Tan, Steinbach, Kumar © Tan,Steinbach, Kumar Introduction to Data ... Introduction to Data Mining 4 CURE Shrinking representative points toward the center helps avoid problems with noise and outliers CURE is better able to handle clusters of arbitrary shapes and sizes © ... – Chameleon and Hypergraph-based Clustering [...]... Clustering Introduction to Data Mining 34 SNN Clustering Can Handle Other Difficult Situations © Tan,Steinbach, Kumar Introduction to Data

Ngày tải lên: 15/03/2014, 09:20

... DATA COMMUNICATION AND COMPUTER NETWORKS DATA COMMUNICATIONS Data communications are the exchange of data between two devices via some form of transmission medium such as a wire cable For data ... Components: A data communications system has five components Data Communication and Computer Networks Page Message The message is the information (data) to be communicated Popular forms of information ... must be sent back and forth Commands and Responses SMTP uses commands and responses to transfer messages between an MTA client and an MTA server (see Figure 26.17) Commands: Commands are sent from

Ngày tải lên: 30/05/2018, 10:28

... laws and regulations and therefore free for general use The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate ... observed, thread and data mapping influences the performance in different ways, such that they can be combined for maximum performance Most of the related work performs only thread or data mapping ... context, the reduction of data movement is an important goal for future architectures to keep performance scaling and to decrease energy consumption (Borkar and Chien 2011) Most data movement in current

Ngày tải lên: 04/03/2019, 16:43

... Data Mining Cluster Analysis: Basic Concepts and Algorithms Lecture Notes for Chapter 8 Introduction to Data Mining by Tan, Steinbach, Kumar © Tan,Steinbach, Kumar Introduction to Data ... Tan,Steinbach, Kumar Introduction to Data Mining 3 Applications of Cluster Analysis Understanding – Group related documents for browsing, group genes and proteins that have similar functionality, ... Introduction to Data Mining 20 K-means Clustering –... intertwined, and when noise and outliers are present 6 density-based clusters © Tan,Steinbach, Kumar Introduction to Data Mining

Ngày tải lên: 15/03/2014, 09:20

... grassland or moorland Stock at risk data for ecosystem impacts have been collated over a period of many years through the Coordination Centre for Effects in the Netherlands A framework for describing ... indicated a clear need for better public information, a greater desire for protection from air pollution and a willingness to pay for reduced risks on a par with those for drinking water Working ... Baseline Scenarios for the Clean Air For Europe (CAFE) Programme Service contract for the development of the baseline and policy scenarios and integrated assessment modelling framework for the CAFE

Ngày tải lên: 29/03/2014, 14:20

... ■ DATA ACCESS AND NETWORKING 147 < ;data: DataGrid x:Name="grdData" Margin="15" AutoGenerateColumns="False"> < ;data: DataGrid.Columns> < ;data: DataGridTemplateColumn ... < ;data: DataGridTextColumn Header=" ;Notes& quot; Binding="{Binding Notes} " /> < /data: DataGrid.Columns> < /data: DataGrid> 11. Save the MainPage.xaml file and ... List<StartingHands> GetHands() { List<StartingHands> hands = new List<StartingHands>(); hands.Add( new StartingHands() { Nickname = "Big Slick", Notes = "Also...

Ngày tải lên: 05/10/2013, 03:20

... Crawfordsville, IN Library ofCongress Cataloging-in~Publication Data Forouzan, Behrouz A. Data communications and networking I Behrouz A Forouzan. - 4th ed. p. em. - (McGraw-HilI Forouzan networking ... public networks, telephone and cable TV, can be used for data transfer. McGraw-Hill Forouzan Networking Series Titles by Behrouz A. Forouzan: Data Communications and Networking TCPflP Protocol ... discussed: data communications, networking, protocols and standards, and networking models. Networks exist so that data may be sent from one place to another-the basic con- cept of data communications. To fully...

Ngày tải lên: 28/02/2014, 17:08

... Introduction to Data Mining 29 Challenges of Data Mining Scalability Dimensionality Complex and Heterogeneous Data Data Quality Data Ownership and Distribution Privacy Preservation Streaming Data © ... of data Traditional techniques infeasible for raw data Data mining may help scientists – in classifying and segmenting data – in Hypothesis Formation © Tan,Steinbach, Kumar Introduction to Data ... Data Mining 1 Data Mining: Introduction Lecture Notes for Chapter 1 Introduction to Data Mining by Tan, Steinbach, Kumar © Tan,Steinbach, Kumar Introduction to Data Mining 8 Data Mining Tasks Prediction...

Ngày tải lên: 15/03/2014, 09:20

... to Data Mining 49 Example: C4.5 Simple depth-first construction. Uses Information Gain Sorts Continuous Attributes at each node. Needs entire data to fit in memory. Unsuitable for Large Datasets. – Needs ... it – Class counts in each of the partitions, A < v and A ≥ v Simple method to choose best v – For each v, scan the database to gather count matrix and compute its Gini index – Computationally Inefficient! ... comparable to other classification techniques for many simple data sets © Tan,Steinbach, Kumar Introduction to Data Mining 9 Apply Model to Test Data Refund MarSt TaxInc YES NO NO NO Yes No Married...

Ngày tải lên: 15/03/2014, 09:20

... Specific-to-general Data Mining Association Analysis: Basic Concepts and Algorithms Lecture Notes for Chapter 6 Introduction to Data Mining by Tan, Steinbach, Kumar â Tan,Steinbach, Kumar Introduction to Data ... {} Original Database: Projected Database for node A: For each transaction T, projected transaction at node A is T ∩ E(A) © Tan,Steinbach, Kumar Introduction to Data Mining 48 Rule Generation for ... may decouple the support and confidence requirements © Tan,Steinbach, Kumar Introduction to Data Mining 16 Reducing Number of Comparisons Candidate counting: – Scan the database of transactions...

Ngày tải lên: 15/03/2014, 09:20