Chapter 1: Introduction
|
|
|
- Reginald Henry
- 8 years ago
- Views:
Transcription
1 Chapter 1: Introduction Professor of CIS Columbus, OH B-1
2 Data Communication vs Networking q Communication: Two Nodes. Mostly EE issues. q Networking: Two or more nodes. More issues, e.g., routing 1B-2
3 Distributed Systems vs Networks q Distributed Systems: q Users are unaware of underlying structure. E.g., trn instead of \n\bone\0\trn q Mostly operating systems issues. q Nodes are generally under one organization s control. q Networks: Users specify the location of resources. q Nodes are autonomous. Server 1B-3
4 Types of Networks q Point to point vs Broadcast WAN Bus LAN Ring LAN q Circuit switched vs packet switched q Local Area Networks (LAN) 0-2 km, Metropolitan Area Networks (MAN) 2-50 km, Wide Area Networks (WAN) 50+ km 1B-4
5 Protocol Layers q Problem: Philosophers in different countries speak different languages. The Telex system works only with English. Philosopher I believe there is a God! Translator Secretary 1B-5
6 q Duplexity: Design Issues for Layers q Simplex: Transmit or receive q Full Duplex: Transmit and receive simultaneously q Half-Duplex: Transmit and receive alternately q Error Control: Error detection and recovery q Flow Control: Fast sender 1B-6
7 ISO/OSI Reference Model Application Presentation Session Transport Network Datalink Physical File transfer, , Remote Login ASCII Text, Sound Establish/manage connection End-to-end communication: TCP Routing, Addressing: IP Two party communication: Ethernet How to transmit signal: Coding 1B-7
8 Layering FTP Telnet Web TCP UDP IP IPX Same Ethernet Token Ring Interfaces Copper Fiber q Protocols of each layer have to perform a set of functions q All alternatives for a row have the same interfaces q Choice of protocols at each layer is independent of those of at other layers. E.g., IP works over Ethernet or token ring UDP = User Data Protocol, TCP=Transport Control Protocol q Need one component of each layer Null components q Nth layer control info is passed as N-1th layer data. 1B-8
9 Interfaces and Services ICI IDU ICI SDU SAP SDU PDU Header SDU q IDU = Interface Data Unit = ICI + SDU q ICI = Interface Control Information q SDU = Service Data Unit q PDU = Protocol Data Unit = Fragments of SDU + Header or Several SDUs + Header (blocking) q SAP = Service Access Point 1B-9 ICI IDU ICI SDU SAP SDU
10 Protocol Data Unit (PDU) Application Presentation Session Transport Network Datalink Physical APDU, Message PPDU SPDU TPDU NPDU, Packet DPDU, Frame PhPDU, Frame Application Presentation Session Transport Network Datalink Physical 1B-10
11 Service Data Unit (SDU) Application PSDU Presentation SSDU Session TSDU Transport NSDU Network DSDU Datalink PhSDU Physical 1B-11
12 Connection-Oriented vs Connectionless q Connection-Oriented: Telephone System q Path setup before data is sent q Data need not have address. Circuit number is sufficient. q Virtual circuits: Multiple circuits on one wire. q Connectionless: Postal System. Also known as datagram. q Complete address on each packet q The address decides the next hop at each routing point 1B-12
13 Types of Services Connection-oriented Datagram Reliable Unreliable Reliable Unreliable Message Sequence Byte Stream Acknowledged Request-Reply q Byte streams: user message boundaries are not preserved q Request-reply: The reply serves as an acknowledgement also q Message oriented or byte oriented approach can be used for unreliable connection-oriented communication 1B-13
14 q Indication = Interrupt Service Primitives Higher Layer Higher Layer Lower Layer Lower Layer 1. Connect.Request 2. Connect.Indication 3. Connect.Confirm 4. Connect.Response Unconfirmed service: No confirmation or response 1B-14
15 TCP/IP Reference Model q TCP = Transport Control Protocol q IP = Internet Protocol (Routing) TCP/IP Ref Model TCP/IP Protocols Application Transport Internetwork Host to Network FTP Ether net TCP Telnet HTTP IP Packet Radio 1B-15 UDP Point-to- Point OSI Ref Model Application Presentation Session Transport Network Datalink Physical
16 OSI vs TCP Reference Models q OSI introduced concept of services, interface, protocols These were force-fitted to TCP later It is not easy to replace protocols in TCP. q In OSI, reference model was done before protocols. In TCP, protocols were done before the model q OSI: Standardize first, build later TCP: Build first, standardize later q OSI took too long to standardize. TCP/IP was already in wide use by the time. q OSI become too complex. q TCP/IP is not general. Ad hoc. 1B-16
17 Summary q Networking is growing exponentially q Communication, Networks, and Distributed systems q ISO/OSI s 7-layer reference model q TCP/IP has a 4-layer model q PDU, SAP, Request, Indication 1B-17
18 Reading Assignment q Read Chapter 1 of Tanenbaum, particularly, Sections q Homework: Problems 9, 17 1B-18
Data Communications and Networking Overview
Data Communications and Networking Overview Raj Jain Washington University Saint Louis, MO 63131 Jain@cse.wustl.edu These slides are available on-line at: http://www.cse.wustl.edu/~jain/cse473-05/ 2-1
ELEC3030 Computer Networks
ELEC3030 Computer Networks Professor Sheng Chen: Building 86, Room 1021 E-mail: sqc@ecs.soton.ac.uk Download lecture slides from: http://www.ecs.soton.ac.uk/ sqc/el336/ or get them from Course Office (ECS
Basic Networking Concepts. 1. Introduction 2. Protocols 3. Protocol Layers 4. Network Interconnection/Internet
Basic Networking Concepts 1. Introduction 2. Protocols 3. Protocol Layers 4. Network Interconnection/Internet 1 1. Introduction -A network can be defined as a group of computers and other devices connected
How To Design A Layered Network In A Computer Network
A Layered Approach to Computer Networks Physical Layer Data Link Layer Network Layer Transport Layer Session Layer Presentation Layer Application Layer Different layer of abstraction Different error control
Introduction to TCP/IP
Introduction to TCP/IP Raj Jain The Ohio State University Columbus, OH 43210 Nayna Networks Milpitas, CA 95035 Email: Jain@ACM.Org http://www.cis.ohio-state.edu/~jain/ 1 Overview! Internetworking Protocol
How To Understand The Layered Architecture Of A Network
COMPUTER NETWORKS NETWORK ARCHITECTURE AND PROTOCOLS The Need for Standards Computers have different architectures, store data in different formats and communicate at different rates Agreeing on a particular
The TCP/IP Reference Model
The TCP/IP Reference Model The TCP/IP Model Comparison to OSI Model Example Networks The TCP/IP Model Origins from ARPANET, DoD research network ARPA - Advanced Research Projects Agency Reliability was
Computer Networks Vs. Distributed Systems
Computer Networks Vs. Distributed Systems Computer Networks: A computer network is an interconnected collection of autonomous computers able to exchange information. A computer network usually require
Objectives of Lecture. Network Architecture. Protocols. Contents
Objectives of Lecture Network Architecture Show how network architecture can be understood using a layered approach. Introduce the OSI seven layer reference model. Introduce the concepts of internetworking
The OSI and TCP/IP Models. Lesson 2
The OSI and TCP/IP Models Lesson 2 Objectives Exam Objective Matrix Technology Skill Covered Exam Objective Exam Objective Number Introduction to the OSI Model Compare the layers of the OSI and TCP/IP
Communications and Computer Networks
SFWR 4C03: Computer Networks and Computer Security January 5-8 2004 Lecturer: Kartik Krishnan Lectures 1-3 Communications and Computer Networks The fundamental purpose of a communication system is the
CSE 3461 / 5461: Computer Networking & Internet Technologies
Autumn Semester 2014 CSE 3461 / 5461: Computer Networking & Internet Technologies Instructor: Prof. Kannan Srinivasan 08/28/2014 Announcement Drop before Friday evening! k. srinivasan Presentation A 2
Layered Architectures and Applications
1 Layered Architectures and Applications Required reading: Garcia 2.1, 2.2, 2.3 CSE 3213, Fall 2010 Instructor: N. Vlajic 2 Why Layering?! 3 Montreal London Paris Alice wants to send a mail to Bob and
Overview of Computer Networks
Overview of Computer Networks Client-Server Transaction Client process 4. Client processes response 1. Client sends request 3. Server sends response Server process 2. Server processes request Resource
Data Communication Networks Introduction
Data Communication Networks Introduction M. R. Pakravan Department of Electrical Engineering Sharif University of Technology Data Networks 1 Introduction The course introduces the underlying concepts and
Ethernet. Ethernet. Network Devices
Ethernet Babak Kia Adjunct Professor Boston University College of Engineering ENG SC757 - Advanced Microprocessor Design Ethernet Ethernet is a term used to refer to a diverse set of frame based networking
SFWR 4C03: Computer Networks & Computer Security Jan 3-7, 2005. Lecturer: Kartik Krishnan Lecture 1-3
SFWR 4C03: Computer Networks & Computer Security Jan 3-7, 2005 Lecturer: Kartik Krishnan Lecture 1-3 Communications and Computer Networks The fundamental purpose of a communication network is the exchange
ICS 153 Introduction to Computer Networks. Inst: Chris Davison cbdaviso@uci.edu
ICS 153 Introduction to Computer Networks Inst: Chris Davison cbdaviso@uci.edu 1 ICS 153 Introduction to Computer Networks Course Goals Understand the basic principles of computer networks Design Architecture
Understanding TCP/IP. Introduction. What is an Architectural Model? APPENDIX
APPENDIX A Introduction Understanding TCP/IP To fully understand the architecture of Cisco Centri Firewall, you need to understand the TCP/IP architecture on which the Internet is based. This appendix
Topics: 1. HTTP, DNS, and SMTP Examples 2. Layered Architectures 3. OSI Reference Model 4. TCP/IP Reference Model. Garcia: Sections 2.1 2.
COSC 3213: Computer Networks I Module 2 Instructor: Dr. Marvin Mandelbaum Department of Computer Science York University Section A Handout # 2 Topics: 1. HTTP, DNS, and SMTP Examples 2. Layered Architectures
EE4367 Telecom. Switching & Transmission. Prof. Murat Torlak
Packet Switching and Computer Networks Switching As computer networks became more pervasive, more and more data and also less voice was transmitted over telephone lines. Circuit Switching The telephone
Computer Networks CS321
Computer Networks CS321 Dr. Ramana I.I.T Jodhpur Dr. Ramana ( I.I.T Jodhpur ) Computer Networks CS321 1 / 22 Outline of the Lectures 1 Introduction OSI Reference Model Internet Protocol Performance Metrics
Communication Networks. MAP-TELE 2011/12 José Ruela
Communication Networks MAP-TELE 2011/12 José Ruela Network basic mechanisms Network Architectures Protocol Layering Network architecture concept A network architecture is an abstract model used to describe
Topics. Computer Networks. Let s Get Started! Computer Networks: Our Definition. How are Networks Used by Computers? Computer Network Components
Topics Use of networks Network structure Implementation of networks Computer Networks Introduction Let s Get Started! Networking today: Where are they? Powerful computers are cheap Networks are everywhere
Indian Institute of Technology Kharagpur. TCP/IP Part I. Prof Indranil Sengupta Computer Science and Engineering Indian Institute of Technology
Indian Institute of Technology Kharagpur TCP/IP Part I Prof Indranil Sengupta Computer Science and Engineering Indian Institute of Technology Kharagpur Lecture 3: TCP/IP Part I On completion, the student
Operating System Concepts. Operating System 資 訊 工 程 學 系 袁 賢 銘 老 師
Lecture 7: Distributed Operating Systems A Distributed System 7.2 Resource sharing Motivation sharing and printing files at remote sites processing information in a distributed database using remote specialized
Data Communication and Internet Technology
Organization Data Communication and Internet Technology RWTH Aachen Prof. Dr. Otto Spaniol Exercises to the lecture Fortnightly Monday 11:00 12:30 h Presence exercise Material (Slide copies, exercise sheets)
Computer Networks and the Internet
Computer Networks and the Internet Raj Jain Washington University in Saint Louis Saint Louis, MO 63130 Jain@wustl.edu Audio/Video recordings of this lecture are available on-line at: http://www.cse.wustl.edu/~jain/cse473-10/
Data Communication and Internet Technology
Data Communication and Internet Technology Lehrstuhl für Informatik 4 RWTH Aachen Dr. rer. nat. Dirk Thißen Prof. Dr. Otto Spaniol Page 1 Organization Lehrstuhl für Informatik 4 Exercises to the lecture
IP Network Layer. Datagram ID FLAG Fragment Offset. IP Datagrams. IP Addresses. IP Addresses. CSCE 515: Computer Network Programming TCP/IP
CSCE 515: Computer Network Programming TCP/IP IP Network Layer Wenyuan Xu Department of Computer Science and Engineering University of South Carolina IP Datagrams IP is the network layer packet delivery
Mathatma Gandhi University
Mathatma Gandhi University BSc Computer Science IV th semester BCS 402 Computer Network &Internet MULTIPLE CHOICE QUESTIONS 1. The computer network is A) Network computer with cable B) Network computer
Protocols and Architecture. Protocol Architecture.
Protocols and Architecture Protocol Architecture. Layered structure of hardware and software to support exchange of data between systems/distributed applications Set of rules for transmission of data between
Architecture and Performance of the Internet
SC250 Computer Networking I Architecture and Performance of the Internet Prof. Matthias Grossglauser School of Computer and Communication Sciences EPFL http://lcawww.epfl.ch 1 Today's Objectives Understanding
Computer Network. Interconnected collection of autonomous computers that are able to exchange information
Introduction Computer Network. Interconnected collection of autonomous computers that are able to exchange information No master/slave relationship between the computers in the network Data Communications.
Protocols. Packets. What's in an IP packet
Protocols Precise rules that govern communication between two parties TCP/IP: the basic Internet protocols IP: Internet Protocol (bottom level) all packets shipped from network to network as IP packets
Protocol Architecture
Protocol Architecture ed Protocol Architectures OSI Reference Model TCP/IP Protocol Stack Need for Protocols The task of exchanging information between devices requires a high degree of cooperation between
Data Communication and Internet Technology
Data Communication and Internet Technology Lehrstuhl für Informatik 4 RWTH Aachen Dr. rer. nat. Dirk Thißen Prof. Dr. Otto Spaniol Page 1 Organization Lehrstuhl für Informatik 4 Exercises to the lecture
ELEC3030 (EL336) Computer Networks. How Networks Differ. Differences that can occur at network layer, which makes internetworking difficult:
How Networks Differ Differences that can occur at network layer, which makes internetworking difficult: It is impossible to resolve all differences, and the solution is to take a simple approach (as in
EITF25 Internet Techniques and Applications L5: Wide Area Networks (WAN) Stefan Höst
EITF25 Internet Techniques and Applications L5: Wide Area Networks (WAN) Stefan Höst Data communication in reality In reality, the source and destination hosts are very seldom on the same network, for
524 Computer Networks
524 Computer Networks Section 1: Introduction to Course Dr. E.C. Kulasekere Sri Lanka Institute of Information Technology - 2005 Course Outline The Aim The course is design to establish the terminology
UPPER LAYER SWITCHING
52-20-40 DATA COMMUNICATIONS MANAGEMENT UPPER LAYER SWITCHING Gilbert Held INSIDE Upper Layer Operations; Address Translation; Layer 3 Switching; Layer 4 Switching OVERVIEW The first series of LAN switches
CSCI 362 Computer and Network Security
The Purpose of ing CSCI 362 Computer and Security Introduction to ing Goals: Remote exchange and remote process control. A few desirable properties: Interoperability, Flexibility, Geographical range, Scalability,
Transport and Network Layer
Transport and Network Layer 1 Introduction Responsible for moving messages from end-to-end in a network Closely tied together TCP/IP: most commonly used protocol o Used in Internet o Compatible with a
Lecture 28: Internet Protocols
Lecture 28: Internet Protocols 15-110 Principles of Computing, Spring 2016 Dilsun Kaynar, Margaret Reid-Miller, Stephanie Balzer Reminder: Exam 2 Exam 2 will take place next Monday, on April 4. Further
8/27/2014. What is a computer network? Introduction. Business Applications (1) Uses of Computer Networks. Business Applications (2)
What is a computer network? Introduction Chapter 1 A number of separate but interconnected computers A collection of autonomous computers interconnected by a single technology COURSE FOCUS: design and
The OSI model has seven layers. The principles that were applied to arrive at the seven layers can be briefly summarized as follows:
1.4 Reference Models Now that we have discussed layered networks in the abstract, it is time to look at some examples. In the next two sections we will discuss two important network architectures, the
Based on Computer Networking, 4 th Edition by Kurose and Ross
Computer Networks Ethernet Hubs and Switches Based on Computer Networking, 4 th Edition by Kurose and Ross Ethernet dominant wired LAN technology: cheap $20 for NIC first widely used LAN technology Simpler,
Introduction To Computer Networking
Introduction To Computer Networking Alex S. 1 Introduction 1.1 Serial Lines Serial lines are generally the most basic and most common communication medium you can have between computers and/or equipment.
Mobile IP Network Layer Lesson 02 TCP/IP Suite and IP Protocol
Mobile IP Network Layer Lesson 02 TCP/IP Suite and IP Protocol 1 TCP/IP protocol suite A suite of protocols for networking for the Internet Transmission control protocol (TCP) or User Datagram protocol
Introduction Chapter 1. Uses of Computer Networks
Introduction Chapter 1 Uses of Computer Networks Network Hardware Network Software Reference Models Example Networks Network Standardization Metric Units Revised: August 2011 Uses of Computer Networks
Internet Concepts. What is a Network?
Internet Concepts Network, Protocol Client/server model TCP/IP Internet Addressing Development of the Global Internet Autumn 2004 Trinity College, Dublin 1 What is a Network? A group of two or more devices,
Module 1. Introduction. Version 2 CSE IIT, Kharagpur
Module 1 Introduction Lesson 2 Layered Network Architecture Specific Functional Objectives On Completion of this lesson, the students will be able to: State the requirement for layered approach Explain
Data Communication and Internet Technology
Data Communication and Internet Technology Organization Exercises to the lecture More or less fortnightly Thursday 16:30 18:00 h Lecture hall A 5 Presence exercise Note: exercise dates are oriented at
Note! The problem set consists of two parts: Part I: The problem specifications pages Part II: The answer pages
Part I: The problem specifications NTNU The Norwegian University of Science and Technology Department of Telematics Note! The problem set consists of two parts: Part I: The problem specifications pages
IT4504 - Data Communication and Networks (Optional)
- Data Communication and Networks (Optional) INTRODUCTION This is one of the optional courses designed for Semester 4 of the Bachelor of Information Technology Degree program. This course on Data Communication
What is CSG150 about? Fundamentals of Computer Networking. Course Outline. Lecture 1 Outline. Guevara Noubir noubir@ccs.neu.
What is CSG150 about? Fundamentals of Computer Networking Guevara Noubir noubir@ccs.neu.edu CSG150 Understand the basic principles of networking: Description of existing networks, and networking mechanisms
ICOM 5026-090: Computer Networks Chapter 6: The Transport Layer. By Dr Yi Qian Department of Electronic and Computer Engineering Fall 2006 UPRM
ICOM 5026-090: Computer Networks Chapter 6: The Transport Layer By Dr Yi Qian Department of Electronic and Computer Engineering Fall 2006 Outline The transport service Elements of transport protocols A
Computer Networks/DV2 Lab
Computer Networks/DV2 Lab Room: BB 219 Additional Information: http://www.fb9dv.uni-duisburg.de/ti/en/education/teaching/ss08/netlab Equipment for each group: - 1 Server computer (OS: Windows 2000 Advanced
PLANEAMENTO E GESTÃO DE REDES INFORMÁTICAS COMPUTER NETWORKS PLANNING AND MANAGEMENT 2008-2009
Mestrado em Engenharia Informática e de Computadores PLANEAMENTO E GESTÃO DE REDES INFORMÁTICAS COMPUTER NETWORKS PLANNING AND MANAGEMENT 2008-2009 Conceitos de Redes e Arquitecturas - Networks and Architectures
How To Use A Network Over The Internet (Networking) With A Network (Netware) And A Network On A Computer (Network)
1 TCP Transmission Control Protocol, is a connection based Internet protocol responsible for breaking data into packets to send over a network using IP (internet protocol) IP works at the TCP/IP Internet
Networking Test 4 Study Guide
Networking Test 4 Study Guide True/False Indicate whether the statement is true or false. 1. IPX/SPX is considered the protocol suite of the Internet, and it is the most widely used protocol suite in LANs.
Data Communication and Computer Network
1 Data communication principles, types and working principles of modems, Network principles, OSI model, functions of data link layer and network layer, networking components, communication protocols- X
Chapter 8: Computer Networking. AIMS The aim of this chapter is to give a brief introduction to computer networking.
Chapter 8: Computer Networking AIMS The aim of this chapter is to give a brief introduction to computer networking. OBJECTIVES At the end of this chapter you should be able to: Explain the following terms:
NETWORK DRIVE MAPPING, SHARING,TESTING AND AN IMPLEMENTATION BY WRITING A PROGRAM TO RETRIEVE THE DATA FILE FROM A NETWORK DRIVE OF ANOTHER COMPUTER.
NETWORK DRIVE MAPPING, SHARING,TESTING AND AN IMPLEMENTATION BY WRITING A PROGRAM TO RETRIEVE THE DATA FILE FROM A NETWORK DRIVE OF ANOTHER COMPUTER. BY SAKIL AHMED ID: 102 33 205 This Report Presented
Security (II) ISO 7498-2: Security Architecture of OSI Reference Model. Outline. Course Outline: Fundamental Topics. EE5723/EE4723 Spring 2012
Course Outline: Fundamental Topics System View of Network Security Network Security Model Security Threat Model & Security Services Model Overview of Network Security Security Basis: Cryptography Secret
Network Models OSI vs. TCP/IP
Network Models OSI vs. TCP/IP Network Models Using a formal model allows us to deal with various aspects of Networks abstractly. We will look at two popular models OSI reference model TCP/IP model Both
College 5, Routing, Internet. Host A. Host B. The Network Layer: functions
CSN-s 5/1 College 5, Routing, Internet College stof 1 Inleiding: geschiedenis, OSI model, standaarden, ISOC/IETF/IRTF structuur Secties: 1.2, 1.3, 1.4, 1.5 2 Fysieke laag: Bandbreedte/bitrate Secties:
TCP/IP Fundamentals. OSI Seven Layer Model & Seminar Outline
OSI Seven Layer Model & Seminar Outline TCP/IP Fundamentals This seminar will present TCP/IP communications starting from Layer 2 up to Layer 4 (TCP/IP applications cover Layers 5-7) IP Addresses Data
Raritan Valley Community College Academic Course Outline. CISY 253 - Advanced Computer Networking
Raritan Valley Community College Academic Course Outline CISY 253 - Advanced Computer Networking I. Basic Course Information A. Course number and Title: CISY 253- Advanced Computer Networking (TCP/IP)
Introduction to computer networks and Cloud Computing
Introduction to computer networks and Cloud Computing Aniel Nieves-González Fall 2015 Computer Netwoks A computer network is a set of independent computer systems that are connected by a communication
OSI Model. Application Presentation Session Transport Network Data Link Physical. EE156 Computer Network Architecture
OSI Model 7 6 5 4 3 2 1 Application Presentation Session Transport Network Data Link Physical Protocols Define a set of rules for communication. Specify the meaning and format of messages Define exchange
Note! The problem set consists of two parts: Part I: The problem specifications pages Part II: The answer pages
Part I: The problem specifications NTNU The Norwegian University of Science and Technology Department of Telematics Note! The problem set consists of two parts: Part I: The problem specifications pages
CPS221 Lecture: Layered Network Architecture
CPS221 Lecture: Layered Network Architecture Objectives last revised 9/10/12 1. To discuss the OSI layered architecture model 2. To discuss the specific implementation of this model in TCP/IP Materials:
IT4405 Computer Networks (Compulsory)
IT4405 Computer Networks (Compulsory) INTRODUCTION This course provides a comprehensive insight into the fundamental concepts in data communications, computer network systems and protocols both fixed and
THE TCP/IP PROTOCOL SUITE
CHAPTER 1 Protocols and Layers 25 a truck or plane. It sounds like a very complicated way to deliver one message, but this system makes the overall task of delivering many messages easier, not harder.
Computer Networks III
Computer Networks III Wide Area Networks and Packet Switching Network Protocols and the OSI Layers The Internet Internet Infrastructure 1 Wide Area Networks (recap) 2 Page 1 Basic WAN structure Host Router
Overview of TCP/IP. TCP/IP and Internet
Overview of TCP/IP System Administrators and network administrators Why networking - communication Why TCP/IP Provides interoperable communications between all types of hardware and all kinds of operating
OPEN SYSTEMS INTERCONNECTION OVERVIEW OF PROTOCOL LAYERING AND OSI MODEL OF NETWORK STACKS
OSI OPEN SYSTEMS OSI - Open Systems Interconnection INTERCONNECTION OVERVIEW OF PROTOCOL LAYERING AND OSI MODEL OF NETWORK STACKS Peter R. Egli INDIGOO.COM 1/8 Contents 1. Layering model 2. The 7 layers
A communication network Nature and role
Student learn about: A communication network Nature and role Advantages and Disadvantages of a communication network such as: - Sharing of Peripheral devices - application programs - Data - Security of
Data Communication Networks and Converged Networks
Data Communication Networks and Converged Networks The OSI Model and Encapsulation Layer traversal through networks Protocol Stacks Converged Data/Telecommunication Networks From Telecom to Datacom, Asynchronous
Introduction. Computer Networking. Prof. Andrzej Duda duda@imag.fr. http://duda.imag.fr
Computer Networking Introduction Prof. Andrzej Duda duda@imag.fr http://duda.imag.fr 1 1 Course goals Understand TCP/IP and networking concepts Approach bottom-up, descriptive, use Internet as an example
Transport Layer. Chapter 3.4. Think about
Chapter 3.4 La 4 Transport La 1 Think about 2 How do MAC addresses differ from that of the network la? What is flat and what is hierarchical addressing? Who defines the IP Address of a device? What is
Network Programming TDC 561
Network Programming TDC 561 Lecture # 1 Dr. Ehab S. Al-Shaer School of Computer Science & Telecommunication DePaul University Chicago, IL 1 Network Programming Goals of this Course: Studying, evaluating
Network Models and Protocols
669-5ch01.fm Page 1 Friday, April 12, 2002 2:01 PM C H A P T E R Network Models and Protocols 1 EXAM OBJECTIVES 1.1 Layered Network Models 1.2 The Layers of the TCP/IP 5-Layer Model 1.3 Network Protocols
Overview. Securing TCP/IP. Introduction to TCP/IP (cont d) Introduction to TCP/IP
Overview Securing TCP/IP Chapter 6 TCP/IP Open Systems Interconnection Model Anatomy of a Packet Internet Protocol Security (IPSec) Web Security (HTTP over TLS, Secure-HTTP) Lecturer: Pei-yih Ting 1 2
IP - The Internet Protocol
Orientation IP - The Internet Protocol IP (Internet Protocol) is a Network Layer Protocol. IP s current version is Version 4 (IPv4). It is specified in RFC 891. TCP UDP Transport Layer ICMP IP IGMP Network
FIREWALLS & NETWORK SECURITY with Intrusion Detection and VPNs, 2 nd ed. Chapter 2 An Introduction to Networking
FIREWALLS & NETWORK SECURITY with Intrusion Detection and VPNs, 2 nd ed. Chapter 2 An Introduction to Networking Learning Objectives Upon completion of this chapter, you should be able to: Describe the
Improved Digital Media Delivery with Telestream HyperLaunch
WHITE PAPER Improved Digital Media Delivery with Telestream THE CHALLENGE Increasingly, Internet Protocol (IP) based networks are being used to deliver digital media. Applications include delivery of news
Network Security TCP/IP Refresher
Network Security TCP/IP Refresher What you (at least) need to know about networking! Dr. David Barrera Network Security HS 2014 Outline Network Reference Models Local Area Networks Internet Protocol (IP)
Network Layer. Introduction Datagrams and Virtual Circuits Routing Traffic Control. Data delivery from source to destination.
Layer Introduction Datagrams and Virtual ircuits Routing Traffic ontrol Main Objective Data delivery from source to destination Node (Router) Application Presentation Session Transport Data Link Data Link
Chapter 14: Distributed Operating Systems
Chapter 14: Distributed Operating Systems Chapter 14: Distributed Operating Systems Motivation Types of Distributed Operating Systems Network Structure Network Topology Communication Structure Communication
How To Understand The Internet From A Telephone To A Computer (For A Computer)
Basic Concepts In Computer Networking Antonio Carzaniga Faculty of Informatics University of Lugano September 19, 2014 Goal of this Lecture Understand what packet switching is Understand what circuit switching
Module 15: Network Structures
Module 15: Network Structures Background Topology Network Types Communication Communication Protocol Robustness Design Strategies 15.1 A Distributed System 15.2 Motivation Resource sharing sharing and
Introduction to Networking and the OSI Model
ch01.qxd 1/3/2001 9:44 AM Page 1 O N E Introduction to Networking and the OSI Model In This Chapter Local Area Networks Wide Area Networks Internetworking The Seven Layers of the OSI Model In this chapter,
Content Page No. Unit I Lesson 1. Introduction to Digital Communication Lesson 2. WAN Technology Lesson 3. History about TCP/IP
Content Page No. Unit I Lesson 1. Introduction to Digital Communication 1.0 Aims and Objectives 1 1.1 Introduction to Data Communication 1 1.2 Classification of Computer Networks 2 1.3 Topology 4 1.4 Protocol
CS335 Sample Questions for Exam #2
CS335 Sample Questions for Exam #2.) Compare connection-oriented with connectionless protocols. What type of protocol is IP? How about TCP and UDP? Connection-oriented protocols Require a setup time to
Chapter 11. User Datagram Protocol (UDP)
Chapter 11 User Datagram Protocol (UDP) The McGraw-Hill Companies, Inc., 2000 1 CONTENTS PROCESS-TO-PROCESS COMMUNICATION USER DATAGRAM CHECKSUM UDP OPERATION USE OF UDP UDP PACKAGE The McGraw-Hill Companies,
Communication Networks. MAP-TELE 2011/12 José Ruela
Communication Networks MAP-TELE 2011/12 José Ruela Network basic mechanisms Introduction to Communications Networks Communications networks Communications networks are used to transport information (data)
Transport Layer Protocols
Transport Layer Protocols Version. Transport layer performs two main tasks for the application layer by using the network layer. It provides end to end communication between two applications, and implements