tài liệu quality of service

... kết dữ liệu Các giải pháp QoS  Cấu trúc Best-Effort: Dữ liệu đi vào mạng đều tuân theo quy tắc FIFO. Không có sự đối xử nào của QoS đối với dữ liệu  Cấu trúc Guaranteed Services: Dữ liệu đi ... luồng dữ liệu Một chính sách là tổ hợp của nhiều yếu tố bao gồm : Các lớp lưu lượng tuân theo profile và không tuân theo profile được CAR xử lý khác nhau ... Các lớp lưu lượng tuân theo profile ... Quality of Service Bùi Thế Khang Nguyễn Thị Hương Đỗ Văn Mạnh Hà Nội, Ngày 08/07/2011 Khái niệm QoS

Ngày tải lên: 17/10/2014, 21:08

... 802.1p field (referred to as class of service or CoS), which is part of the 802.1Q tag • At Layer using the bits of DSCP field in the type of service (ToS) byte of the IP header Classification is ... Precedence ã Define Differential Service Code Point â 2000, Cisco Systems, Inc www.cisco com econ_387_05_010.ppt The objective of this module is to define the quality of service (QoS) tools which must ... based on the IP Precedence bit or Differentiated Services Code Point (DSCP) settings There are methods of marking that will map Layer Class of Service (CoS) bits to Layer IP Precedence or DSCP

Ngày tải lên: 11/12/2013, 14:15

... APPLICATION-PERCEIVED QUALITY OF SERVICE IN WIRELESS NETWORKS Stefan Chevul 2006:11 On Application-Perceived Quality of Service in Wireless Networks Stefan Chevul On Application-Perceived Quality of Service ... reflects the Quality of Service from the viewpoints of the applica- tion and user. The focus of the thesis is on the influence of the network on the application- perceived Quality of Service and ... on the application- perceived Quality of Service is of great significan - ce when it comes to customer satisfaction. The - refore, application-perceived Quality of Service in wireless networks

Ngày tải lên: 18/10/2013, 12:15

... Knowledge, perception about e-commerce • Lack of trust – Lack of knowledge & understanding  lack of trust ! – Possibility of fraud in online environment – Lack of legel framework & legal enforcement ... Expansion of markets – website and internet is bounderless • Reduction of cost, more convenience transactiosn – Email: speed, more information – Longer distance, less cost & time • Exploitation of information ... machines: interbank transactions • Based on participants of transactions – B2B: whole sales, material procurement, – B2C: retails of products & services – G2B: e-tax, e-bidding – G2C: administration

Ngày tải lên: 09/12/2013, 18:15

... Printing Office disseminates official information from all three branches of the United States Federal Government • Services and information by non-profit organizations and by for-profit businesses ... L-Soft "the official catalog of LISTSERV ® lists" • Resources at your local (public) library These may require membership or registration • Newspaper, journal, magazine databases Often ... suggestions for improvement Professional editors proofread as many as ten times Publishing houses hire teams of readers to work in pairs, reading... words, in order to proofread accurately You have

Ngày tải lên: 10/12/2013, 02:15

... into a theory of inventive problem solving which he named TRIZ 3.0 TRIZ: The Theory of Inventive Problem Solving There are a number of laws in the theory of TRIZ One of them is the Law of Increasing ... Length of nonmoving object Area of moving object Area of nonmoving object Volume of moving object Volume of nonmoving object Speed 10 Force 11 Tension, pressure 12 Shape 13 Stability of object ... weight of filled cans, internal pressure of can, rigidity of can construction Primary useful function is to contain beverage Harmful effects include cost of materials and producing can and waste of

Ngày tải lên: 10/12/2013, 03:15

... Nonpayment of any required renewal fees; or Violation of the Code of Professional Responsibility for Court Interpreters Commentary: The appropriateness of disciplinary action and the degree of discipline ... nature of the charge or the type of case before the court, the purpose of the proceedings and function of the court, the rights of a party or criminal defendant, and the responsibilities of a witness) ... courts of the State of Georgia shall agree in writing to comply with the Code of Professional Responsibility for Court Interpreters AMENDMENTS TO RULES FOR USE OF INTERPRETERS D The presence of

Ngày tải lên: 10/12/2013, 05:15

... of the point x base for a topology A collection B of open sets of a topological space T is a base for the topology of T if each open set of T is the union of some members of ... range of composition of such a system by UV/VIS spectrophotometric or NMR measurements of the degree of hydronation (protonation or Lewis adduct formation) for the members of a series of structurally ... form of one of the elements of {lm,i , lr,j , l((m,i),(r,j )) , l{Vm ,Vr ,E} } Comment:... transform basis of a vector space A subset E of a vector space V is called a basis of V

Ngày tải lên: 10/12/2013, 12:15

... a relational database design At the end of this lesson, you should be able to D Describe the stages of system development D List and define basic types of data relationships D Define a relational ... cycle Each stage of the cycle contains specific activities that you perform to achieve the best possible database design Database Design Database design is just one of the stages of the development ... enhancing communications with users By meeting each of these challenges through good database design, you improve the performance of your database Overview of Data Modeling and Database Design 8Ć5 8Ć6

Ngày tải lên: 10/12/2013, 17:15

... level of subobjects of the currently selected object Collapse Collapses the first level of subobjects of the currently selected object Expand All Expands all levels of subobjects of ... of subobjects of the currently selected object Basics of Procedure Builder 19Ć17 Objects of the Navigator 19Ć18 Introduction to Oracle: SQL and PL/SQL Using Procedure. .. value of ... Basics of Procedure Builder 19 Introduction to Oracle: SQL and PL/SQL Using Procedure Builder19Ć2 Objectives Basics of Procedure Builder 19Ć3 Objectives A key feature of procedural programming

Ngày tải lên: 10/12/2013, 17:15

... necessary software to set up the computer There are no selections to be made here How long this process takes is dependant on the number of packages being installed and the speed of the computer ... distributions of Linux. The Linux kernel remains the same among these distributions but the different versions appeal to different markets. This lab will use the Red Hat distribution of Linux version ... auto-detect the mouse, and most of the time the user will simply need to read this screen and click the Next button. Be sure to check the Emulate 3 Buttons. If another type of mouse is desired, select

Ngày tải lên: 11/12/2013, 15:15

... thou dost cut off,... give on the hypothesis of souls continuing to exist But we must not only think of the number of bodies which are thus buried, but also of the number of animals which ... instance, the activity of one, and the modesty of another, and the liberality of a third, and some other good quality of a fourth For nothing delights so much as the examples of the virtues, ... any of them be good, if indeed these things were good But now the more of these things a man deprives himself of, or of other things like them, or even when he is deprived of any of

Ngày tải lên: 11/12/2013, 15:15

... circle of instruction”) The purpose of the Encyclopedia of Multimedia Technology and Networking is to offer a written compendium of human knowledge... contribution of digital ... members of the Editorial Advisory Board: Prof Raymond A Hackney of Manchester Metropolitan University (UK), Prof Leslie Leong of Central Connecticut State University (USA), Prof Nadia Magnenat-Thalmann ... communication technology has lead to the development of a variety of new media platforms that offer a set of services to a community of participants These... related to the emerging multimedia

Ngày tải lên: 12/12/2013, 23:15

... The purpose of signal detection is to detect the presence of a known signal in the presence of additive noise It is assumed that the received signal (often a vector) x may consist of the true ... in terms of a more general mathematical problem of function approximation Then, a general family of nonlinear filter structures, called a dynamic neural network, that consists of a bank of linear ... will be handy here to model the mixture of Gaussian likelihood function Since the weighted sum of the mixture of Gaussian density functions is still a mixture of a Gaussian density function, one

Ngày tải lên: 12/12/2013, 23:15

... of obligatory military services after college, he enrolled as a research assistant at the Signal and Image Processing Institute of the department of electrical engineering at the University of ... 1987 to 1989 In the summer of 1989, Dr Hwang joined the Department of Electrical Engineering of the University of Washington in Seattle, where he is currently a professor He has published more ... for IEEE Transactions of Acoustic, Speech, and Signal Processing in the areas of system identification and fast algorithms He is currently associate editor of the Journal of VLSI Signal Processing

Ngày tải lên: 12/12/2013, 23:15

... Architecture of an Embedded USB Device Architecture of an Embedded USB Device ? ? USB Device Driver Architecture USB Device Driver Architecture ? ? Case Study of a USB Device Driver Case Study of a USB ... Architecture of an Embedded USB Device Architecture of an Embedded USB Device ? ? USB Device Driver Architecture USB Device Driver Architecture ? ? Case Study of a USB Device Driver Case Study of a USB ... multiple packet depth – – Hardware Retry of Packet Transfers on error Hardware Retry of Packet Transfers on error Key Features of a USB Controller Key Features of a USB Controller 18 ? ? Hardware

Ngày tải lên: 13/12/2013, 00:15

... 00101010 2 Clearly, BCD is wasteful of bits, because there are a number of 4-bit patterns... Consider the case of a single die On each of its six sides, one of the following patterns appears, ... table, for the presence or absence of these base patterns as a function of die face, the meaning of. .. index keeps track of the cycle count, and a delay of 500 ms allows the reader to observe ... wealth of programming structures and functions, make LabVIEW an excellent tool to visualize and demonstrate many of the fundamental concepts of digital electronics. The inherent modularity of LabVIEW

Ngày tải lên: 13/12/2013, 01:15

... of inductors, 462, 465-466 of magnetic materials, 458-460 of transformers,... 279-282 inverted forms, 272 of real pole, 266-268 of real zero, 269 of RHP zero, 270 Phase control of ... m) of boost, 18, 26, 127, 381 of buck, 18, 120, 381 of buck-boost, 18, 128, 381 of Cuk converter, 32, 381 of loss-free resistor networks, 376-381 in low-harmonic rectifiers, 593-595 modeling of, ... value of commonly-observed converter waveforms, 743-750 vs Fourier series, 543-546 of near-ideal rectifier currents, table of, 609 of near-ideal rectifier waveforms, 604-609 Rotation of

Ngày tải lên: 13/12/2013, 01:15

... (3 of 11) [25/04/2002 16:42:25] Fundamentals of Power Electronics Table of Contents 7.7 Modeling the pulse-width modulator 7.8 Summary of key points Converter transfer functions 8.1 Review of ... University of Colorado, Prof Dragan Maksimovic I would also like to thank the following individuals for their suggestions: Prof Arthur Witulski (University of Arizona, Tucson), Prof Sigmund Singer ... to Chapter 20 q Chapter 20 Soft Switching A new Section 20.1 compares the turn-on and turn-off transitions of diode, MOSFET, and IGBT devices under the conditions of hard switching, zero-current

Ngày tải lên: 13/12/2013, 01:15

... circle of instruction”) The purpose of the Encyclopedia of Multimedia Technology and Networking is to offer a written compendium of human knowledge... contribution of digital ... members of the Editorial Advisory Board: Prof Raymond A Hackney of Manchester Metropolitan University (UK), Prof Leslie Leong of Central Connecticut State University (USA), Prof Nadia Magnenat-Thalmann ... communication technology has lead to the development of a variety of new media platforms that offer a set of services to a community of participants These... related to the emerging multimedia

Ngày tải lên: 13/12/2013, 01:15