transmission control protocol ppt forouzan

... toàn gì cả. Phân chia giai cấp A,B,C Căn bản về TCP/IP TCP/IP (Transmission Control Protocol/ Internet Protocol) là một bộ protocols (giao thức) được thiết kế để đạt hai mục tiêu chính: 1. ... chính cho mạng Windows2000. TCP/IP là tập hợp của nhiều protocols, mà trong số đó có các Protocols chánh sau đây: • TCP (Transmission Control Protocol) : Chuyên việc nối các hosts lại và bảo đảm ... • IP (Internet Protocol) : Lo về địa chỉ và chuyển hàng đi đúng hướng, đến nơi, đến chốn. • SMTP (Simple Mail Transfer Protocol) : Chuyên việc giao Email. • FTP (File Transfer Protocol) : Chuyên...

Ngày tải lên: 19/01/2014, 04:20

Ngày tải lên: 14/06/2014, 15:56

Ngày tải lên: 21/06/2014, 00:20

Ngày tải lên: 22/06/2014, 22:20

Ngày tải lên: 07/08/2013, 14:51

... There are only two routers involved and they are both connected to the same network. A routing protocol is not needed. Each router has knowledge of all networks in the network. IP Routing will ... switches used in previous labs back to factory defaults. Lab 8.2.2: HSRP – Hot Standby Routing Protocol 10.1.2.100 Workstation WEB 10.1.1.4/24 EAST WEST Fa0/0 10.1.1.4/24 Fa0/0 10.1.1.3/24 Fa0/1 10.1.2.3/24 Fa0/0 10.1.1.2/24 Fa0/1 10.1.2.2/24 HSRP ... them. Try your ping again. Does it work now? 7. This is where HSRP (Hot Standby Routing Protocol) would be a perfect solution. We currently have two IP addresses on each network used...

Ngày tải lên: 11/12/2013, 14:15

... EIGRP có 4 module chính: + Protocol- Dependent Modules + Reliable Transport Protocol (RTP) + Neighbor Discovery/ Recovery + Diffusing Update Algorithm (DUAL) a/ Protocol- Dependent Modules ... Protocol( EIGRP) Tác giả: Trần Văn Thành Enhanced Interior Gateway Routing Protocol( EIGRP) Lần đầu tiên được đưa vào sử dụng trong phiên bn ISO 9.21, Enhanced Interior Gateway Routing protocol ... những tính chất vốn có IGRP là một distance-vector protocol, EIGRP còn mang một số tính chất của link state protocol. Tất cả các distance vector protocol nguyên thuỷ đều chạy thuật toán Bellman-...

Ngày tải lên: 12/12/2013, 17:15

... Modem module. - Chapter 11 (Using the USS Protocol Library to Control a MicroMaster Drive) provides information about the instructions used to create a control program for a MicroMaster drive. ... Module 9 Creating a Program for the Modem Module 10 Using the USS Protocol Library to Control a MicroMaster Drive 11 Using the Modbus Protocol Library 12 Technical Specifications A Calculating a Power ... micro-programmable logic controllers (Micro PLCs) that can control a variety of automation applications. Compact design, low cost, and a powerful instruction set make the S7-200 a perfect solution for controlling...

Ngày tải lên: 13/12/2013, 00:15

... setup protocol RTCP real-time control protocol RTP real-time protocol SOHO small-office/home-office SONET synchronous optical network VoIP voice over Internet protocol VPN virtual private ... data-conferencing standard (see Figure 10). The recommendation is based on the real-time protocol/ real-time control protocol (RTP/RTCP) for managing audio and video signals. Figure 10. H.323 Call ... The transport protocol RTP, on which the H.323 recommendation is based, essentially is a new protocol layer for real-time applications; RTP–compliant equipment will include control mechanisms...

Ngày tải lên: 21/12/2013, 06:19

... B PID Control PID Control Figure 17 Two PID controllers that share one valve. Suppose the output of a controller is broken by a selector, with the output of another controller taking control ... to a signal (typically 4 to 20 ma.) for transmission to the controller or control system. • The control algorithm . A mathematical algorithm inside the control system is executed at some time ... In the diagram the lower of the two controller outputs is sent to the valve. Which ever controller has the lower output will control the valve. The other controller is, in effect, open loop....

Ngày tải lên: 22/12/2013, 21:15

... Ghi chú: khi thực hiện những bước trên, bạn chỉ đơn thuần là giấu đi những Applets của Control Panel mà thôi, chứ không thực sự disabled nó. User vẫn có thể chạy những Applets mà bạn...

Ngày tải lên: 18/01/2014, 07:20

... compo- nents, or on tightly constrained systems built around a single microcontroller, with delicately optimized, nonportable code to control peripherals—and a very limited range of peripheral support, ... Conventions Used in the Text 7 Chapter 2: Microcontrollers, Single-Board Computers and Development Tools 9 2.1 The Division of Labor 9 2.2 Candidate Microcontrollers for ‘Hard’ Tasks 13 2.3 The Atmel ... Computer Up Close 27 2.6 Selecting an Inter-Module Communications Protocol 32 Chapter 3: Some Example Sensor, Actuator and Control Applications and Circuits (Hard Tasks) 41 3.1 Introduction...

Ngày tải lên: 19/01/2014, 17:20

... All rights reserved. 2 Control Structures • Sequential execution – Statements executed in order • Transfer of control – Next statement executed not next one in sequence • 3 control structures (Bohm ... "Raise Tuition". • Notice that – Program processes 10 results • Fixed number, use counter-controlled loop – Two counters can be used • One counts number that passed • Another counts number ... termination 61 } // end function main  2003 Prentice Hall, Inc. All rights reserved. 18 Nested Control Structures • Problem statement A college has a list of test results (1 = pass, 2 = fail)...

Ngày tải lên: 22/01/2014, 02:20

... supervisory control implementation in a through-hole drilling operation. TABLE 6.1 Comparison of Drilling Control Strategies 41 No Controller Feed/Speed Controller Torque/Speed Controller Supervisory Controller Machining ... robust controller for cutting force control in the end milling process, ASME Journal of Dynamic Systems, Measurement, and Control, 119, 146, 1997. 14. Åström, K. J. and Wittenmark, B., Adaptive Control, ... Press LLC The concept of implementing multiple process controllers has lead to research in supervisory control. 29,39,40 The supervisory control of a through-hole drilling operation was investigated...

Ngày tải lên: 23/01/2014, 06:20

... The increment expression in a for loop need not always alter the loop control variable by a fixed amount. Instead, the loop control variable can change in any arbitrary way. Using this concept, ... usually an assignment statement that sets the initial value of the loop control variable, which acts as the counter that controls the loop. The expression is a conditional expression that determines ... a simple help system that displays the syntax for the C++ control Help.cpp statements. The program displays a menu containing the control statements and then waits for you to choose one. After...

Ngày tải lên: 24/01/2014, 20:20

... devices is important in control system applications for two main reasons: a) The measurement system in a feedback control system is situated in the feedback path of the control system. Even though ... (feedback) control is to make the measurements very accurate and to employ a suitable controller to reduce other types of errors. Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control ... Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 12 7. Control Design The objective of the exercise is to control the angular speed of the load by regulating the command...

Ngày tải lên: 25/01/2014, 13:20

... HỌC KHOA HỌC TỰ NHIÊN TP.HCM TRUNG TÂM TIN HỌC List Box • Các thuộctínhthường sử dụng − Control Source: Tên Field mà List Box sẽ cậpnhậtdữ liệu − Row Source Type: List box sẽ ... dùng trên ToolBox Biểutượng Tên gọi Ý nghĩa Select Objects Lựachọncácđốitượng trên form Control Wizards Bậttắtchếđộthiếtkế bằng Wizard Label Thiếtkế các nhãn trên form TextBox ... KHOA HỌC TỰ NHIÊN TP.HCM TRUNG TÂM TIN HỌC Combo Box • Các thuộctínhthường sử dụng − Control Source: Tên Field mà Combo Box sẽ cậpnhậtdữ liệu − Row Source Type: Combo box...

Ngày tải lên: 25/01/2014, 19:20

... variations. For example, multiple loop control variables can be used. Consider the following fragment of code: for(x=0, y=10; x <= y; ++x, y) Multiple loop control variables cout << x ... require the header <cmath>. The condition controlling the loop may be any valid C++ expression. It does not need to involve the loop control variable. In the next example, the loop continues ... usually an assignment statement that sets the initial value of the loop control variable, which acts as the counter that controls the loop. The expression is a conditional expression that determines...

Ngày tải lên: 27/01/2014, 02:20

... motion data to correct the Abbe errors requires more calculations in the machine controller; however, with modern controllers these additional calculations are easily executed. Still, the best ... Control System Design Structural Kinematic/semi-kinematic design Abbe principle or options Elastic averaging and fluid film Direct displacement transducers Metrology frames Servo-drives and control Drives Carriages Thermal ... machine to a command issued according to the accepted protocol of the machine’s operation and the response to that command anticipated by the protocol. Error motion : The change in position...

Ngày tải lên: 27/01/2014, 15:20

Ngày tải lên: 27/01/2014, 15:20