HW3 and Quiz. P14, P24, P26, P27, P28, P31, P37, P43, P46, P55, due at 3:00pm with both soft and hard copies, 11/11/2013 (Monday) TCP), 20 mins

Size: px
Start display at page:

Download "HW3 and Quiz. P14, P24, P26, P27, P28, P31, P37, P43, P46, P55, due at 3:00pm with both soft and hard copies, 11/11/2013 (Monday) TCP), 20 mins"

Transcription

1 HW3 and Quiz v HW3 (Chapter 3): R1, R2, R5, R6, R7, R8, R15, P14, P24, P26, P27, P28, P31, P37, P43, P46, P55, due at 3:00pm with both soft and hard copies, 11/11/2013 (Monday) v Quiz: 10/30/2013, Wednesday, (Midterm Ps + TCP), 20 mins v Suggestion: review textbook to understand concepts along with slides Network Layer 4-1

2 Chapter 4 Network Layer Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012 All material copyright J.F Kurose and K.W. Ross, All Rights Reserved Network Layer 4-2

3 Chapter 4: layer chapter goals: v understand principles behind layer services: layer service forwarding versus routing how a router works routing (path selection) broadcast, multicast Network Layer 4-3

4 Chapter 4: outline 4.1 introduction 4.2 virtual circuit and datagram s 4.3 what s inside a router 4.4 IP: Internet Protocol datagram format IPv4 addressing ICMP IPv6 4.5 routing algorithms link state distance vector hierarchical routing 4.6 routing in the Internet RIP OSPF BGP 4.7 broadcast and multicast routing Network Layer 4-4

5 Network layer v Transport segment from sending to receiving host v On sending side encapsulates segments into datagrams v On receiving side, delivers segments to transport layer v Network layer protocols in every host, router v Router examines header fields in all IP datagrams passing through it application transport application transport Network Layer 4-5

6 Two key -layer functions v forwarding: move packets from router s input to appropriate router output v routing: determine route taken by packets from source to dest. routing algorithms analogy: v routing: process of planning trip from source to dest v forwarding: process of getting through single interchange Network Layer 4-6

7 Interplay between routing and forwarding routing algorithm local forwarding table header value output link routing algorithm determines end-end-path through forwarding table determines local forwarding at this router value in arriving packet s header Network Layer 4-7

8 Service Model v Best effort, no guarantee: Bandwidth No loss Ordering Timing Congestion Network Layer 4-8

9 Chapter 4: outline 4.1 introduction 4.2 virtual circuit and datagram s 4.3 what s inside a router 4.4 IP: Internet Protocol datagram format IPv4 addressing ICMP IPv6 4.5 routing algorithms link state distance vector hierarchical routing 4.6 routing in the Internet RIP OSPF BGP 4.7 broadcast and multicast routing Network Layer 4-9

10 Connection, connection-less service v datagram provides -layer connectionless service v virtual-circuit provides -layer connection service v Different from transport: : between two hosts (may also involve intervening routers in case of VCs) transport: between two processes v analogous to TCP/UDP, but: service: host-to-host no choice: provides one or the other implementation: in core Network Layer 4-10

11 Virtual circuits source-to-dest path behaves much like telephone circuit performance-wise actions along source-to-dest path v call setup, teardown for each call before data can flow v each packet carries VC identifier (not destination host address) v every router on source-dest path maintains state for each passing connection v link, router resources (bandwidth, buffers) may be allocated to VC (dedicated resources = predictable service) Network Layer 4-11

12 VC implementation a VC consists of: 1. path from source to destination 2. VC numbers, one number for each link along path 3. entries in forwarding tables in routers along path v packet belonging to VC carries VC number (rather than dest address) v VC number can be changed on each link. new VC number comes from forwarding table Network Layer 4-12

13 VC forwarding table forwarding table in northwest router: VC number interface number Incoming interface Incoming VC # Outgoing interface Outgoing VC # VC routers maintain connection state information! Network Layer 4-13

14 Virtual circuits: signaling protocols v used to setup, maintain teardown VC v used in ATM (Asynchronous Transfer Mode), frame-relay, X.25 v not used in today s Internet application transport 5. data flow begins 6. receive data 4. call connected 3. accept call 1. initiate call 2. incoming call application transport Network Layer 4-14

15 Datagram s v no call setup at layer v routers: no state about end-to-end connections no -level concept of connection v packets forwarded using destination host address application transport 1. send datagrams 2. receive datagrams application transport Network Layer 4-15

16 Datagram forwarding table routing algorithm local forwarding table dest address output link address-range 1 address-range 2 address-range 3 address-range billion IP addresses, so rather than list individual destination address list range of addresses (aggregate table entries) Around 500K-1M entries at global forwarding table IP destination address in arriving packet s header Network Layer 4-16

17 Datagram forwarding table Destination Address Range through through through otherwise Link Interface Q: but what happens if ranges don t divide up so nicely? Overlapping? Network Layer 4-17

18 Longest prefix matching longest prefix matching when looking for forwarding table entry for given destination address, use longest address prefix that matches destination address. Destination Address Range *** ********* ********* *** ********* otherwise examples: DA: DA: Link interface which interface? which interface? Network Layer 4-18

19 Datagram or VC : why? Internet (datagram) v data exchange among computers elastic service, no strict timing req. v many link types different characteristics uniform service difficult v smart end systems (computers) can adapt, perform control, error recovery simple inside, complexity at edge ATM (VC) v evolved from telephony v human conversation: strict timing, reliability requirements need for guaranteed service v dumb end systems telephones complexity inside Network Layer 4-19

Network layer overview

Network layer overview Network layer overview understand principles behind layer services: layer service models forwarding versus rou:ng how a router works rou:ng (path selec:on) broadcast, mul:cast instan:a:on, implementa:on

More information

Chapter 4 Network Layer

Chapter 4 Network Layer Chapter 4 Network Layer Computer Networking: A Top Down Approach Featuring the Internet, 3 rd edition. Jim Kurose, Keith Ross Addison-Wesley, July 2004. Network Layer 4-1 Chapter 4: Network Layer Chapter

More information

Chapter 4. Computer Networking: A Top Down Approach 5 th edition. Jim Kurose, Keith Ross Addison-Wesley, sl April 2009.

Chapter 4. Computer Networking: A Top Down Approach 5 th edition. Jim Kurose, Keith Ross Addison-Wesley, sl April 2009. Chapter 4 Network Layer A note on the use of these ppt slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you can add, modify, and delete

More information

Last time. Wireless link-layer. Introduction. Characteristics of wireless links wireless LANs networking. Cellular Internet access

Last time. Wireless link-layer. Introduction. Characteristics of wireless links wireless LANs networking. Cellular Internet access Last time Wireless link-layer Introduction Wireless hosts, base stations, wireless links Characteristics of wireless links Signal strength, interference, multipath propagation Hidden terminal, signal fading

More information

Lecture 7. Network Layer. Network Layer 1-1

Lecture 7. Network Layer. Network Layer 1-1 Lecture 7 Network Layer Network Layer 1-1 Agenda Introduction to the Network Layer Network layer functions Service models Network layer connection and connectionless services Introduction to data routing

More information

CMPE 150/L : Introduction to Computer Networks. Chen Qian Computer Engineering UCSC Baskin Engineering Lecture 11

CMPE 150/L : Introduction to Computer Networks. Chen Qian Computer Engineering UCSC Baskin Engineering Lecture 11 CMPE 150/L : Introduction to Computer Networks Chen Qian Computer Engineering UCSC Baskin Engineering Lecture 11 1 Midterm exam Midterm this Thursday Close book but one-side 8.5"x11" note is allowed (must

More information

CSE 3214: Computer Network Protocols and Applications Network Layer

CSE 3214: Computer Network Protocols and Applications Network Layer CSE 314: Computer Network Protocols and Applications Network Layer Dr. Peter Lian, Professor Department of Computer Science and Engineering York University Email: peterlian@cse.yorku.ca Office: 101C Lassonde

More information

CMSC 332 Computer Networks Network Layer

CMSC 332 Computer Networks Network Layer CMSC 332 Computer Networks Network Layer Professor Szajda CMSC 332: Computer Networks Where in the Stack... CMSC 332: Computer Network 2 Where in the Stack... Application CMSC 332: Computer Network 2 Where

More information

CSCE 463/612 Networks and Distributed Processing Spring 2018

CSCE 463/612 Networks and Distributed Processing Spring 2018 CSCE 463/612 Networks and Distributed Processing Spring 2018 Network Layer Dmitri Loguinov Texas A&M University March 29, 2018 Original slides copyright 1996-2004 J.F Kurose and K.W. Ross 1 Homework #3

More information

Computer Networks. Instructor: Niklas Carlsson

Computer Networks. Instructor: Niklas Carlsson Computer Networks Instructor: Niklas Carlsson Email: niklas.carlsson@liu.se Notes derived from Computer Networking: A Top Down Approach, by Jim Kurose and Keith Ross, Addison-Wesley. The slides are adapted

More information

CS 3516: Advanced Computer Networks

CS 3516: Advanced Computer Networks Welcome to CS 3516: Advanced Computer Networks Prof. Yanhua Li Time: 9:00am 9:50am M, T, R, and F Location: Fuller 320 Fall 2017 A-term 1 Some slides are originally from the course materials of the textbook

More information

Key Network-Layer Functions

Key Network-Layer Functions Network Layer: Routing & Forwarding Instructor: Anirban Mahanti Office: ICT 745 Email: mahanti@cpsc.ucalgary.ca Class Location: ICT 121 Lectures: MWF 12:00 12:50 hours Notes derived from Computer Networking:

More information

Chapter 4 Network Layer: The Data Plane. Part A. Computer Networking: A Top Down Approach

Chapter 4 Network Layer: The Data Plane. Part A. Computer Networking: A Top Down Approach Chapter 4 Network Layer: The Data Plane Part A All material copyright 996-06 J.F Kurose and K.W. Ross, All Rights Reserved Computer Networking: A Top Down Approach 7 th Edition, Global Edition Jim Kurose,

More information

Data Communication & Networks G Session 7 - Main Theme Networks: Part I Circuit Switching, Packet Switching, The Network Layer

Data Communication & Networks G Session 7 - Main Theme Networks: Part I Circuit Switching, Packet Switching, The Network Layer Data Communication & Networks G22.2262-001 Session 7 - Main Theme Networks: Part I Circuit Switching, Packet Switching, The Network Layer Dr. Jean-Claude Franchitti New York University Computer Science

More information

Communication Networks ( ) / Fall 2013 The Blavatnik School of Computer Science, Tel-Aviv University. Allon Wagner

Communication Networks ( ) / Fall 2013 The Blavatnik School of Computer Science, Tel-Aviv University. Allon Wagner Communication Networks (0368-3030) / Fall 2013 The Blavatnik School of Computer Science, Tel-Aviv University Allon Wagner Kurose & Ross, Chapter 4 (5 th ed.) Many slides adapted from: J. Kurose & K. Ross

More information

CS 3516: Computer Networks

CS 3516: Computer Networks Welcome to CS 3516: Computer Networks Prof. Yanhua Li Time: 9:00am 9:50am M, T, R, and F Location: AK 219 Fall 2018 A-term 1 Some slides are originally from the course materials of the textbook Computer

More information

Chapter 4 Network Layer

Chapter 4 Network Layer Chapter 4 Network Layer Reti degli Elaboratori Canale AL Prof.ssa Chiara Petrioli a.a. 2014/2015 We thank for the support material Prof. Kurose-Ross All material copyright 1996-2012 J.F Kurose and K.W.

More information

CSCI Computer Networks Fall 2016

CSCI Computer Networks Fall 2016 source: computer-s-webdesign.com CSCI 4760 - Computer Networks Fall 2016 Instructor: Prof. Roberto Perdisci perdisci@cs.uga.edu These slides are adapted from the textbook slides by J.F. Kurose and K.W.

More information

CMPE 150/L : Introduction to Computer Networks. Chen Qian Computer Engineering UCSC Baskin Engineering Lecture 12

CMPE 150/L : Introduction to Computer Networks. Chen Qian Computer Engineering UCSC Baskin Engineering Lecture 12 CMPE 150/L : Introduction to Computer Networks Chen Qian Computer Engineering UCSC Baskin Engineering Lecture 12 1 Chapter 4: outline 4.1 introduction 4.2 virtual circuit and datagram networks 4.3 what

More information

Lecture 4 - Network Layer. Transport Layer. Outline. Introduction. Notes. Notes. Notes. Notes. Networks and Security. Jacob Aae Mikkelsen

Lecture 4 - Network Layer. Transport Layer. Outline. Introduction. Notes. Notes. Notes. Notes. Networks and Security. Jacob Aae Mikkelsen Lecture 4 - Network Layer Networks and Security Jacob Aae Mikkelsen IMADA September 23, 2013 September 23, 2013 1 / 67 Transport Layer Goals understand principles behind network layer services: network

More information

Network Layer: outline

Network Layer: outline Network Layer: outline 1 introduction 2 virtual circuit and datagram networks 3 what s inside a router 4 IP: Internet Protocol datagram format IPv4 addressing ICMP IPv6 5 routing algorithms link state

More information

TDTS06: computer Networks

TDTS06: computer Networks TDTS06: computer Networks Lecturer: Johannes Schmidt The slides are taken from the book s companion Web site with few modifications: Computer Networking: A Top Down Approach 5 th edition. Jim Kurose, Keith

More information

Chapter 4: Network Layer

Chapter 4: Network Layer Mecanismes d Echange d Informations Chapter 4 Network Layer A note on the use of these ppt slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint

More information

Chapter 4: network layer

Chapter 4: network layer Chapter 4: network layer chapter goals: understand principles behind network layer services: network layer service models forwarding versus routing how a router works routing (path selection) broadcast,

More information

internet technologies and standards

internet technologies and standards Institute of Telecommunications Warsaw University of Technology 2015 internet technologies and standards Piotr Gajowniczek Andrzej Bąk Michał Jarociński Network Layer The majority of slides presented in

More information

Chapter 4 Network Layer

Chapter 4 Network Layer Chapter 4 Network Layer These slides are adapted from the original slides provided by J.Kurose and K.W Ross. All material copyright 1996-2012 J.F Kurose and K.W. Ross, All Rights Reserved Computer Networking:

More information

internet technologies and standards

internet technologies and standards Institute of Telecommunications Warsaw University of Technology 2017 internet technologies and standards Piotr Gajowniczek Andrzej Bąk Michał Jarociński Network Layer The majority of slides presented in

More information

IPv4 addressing, NAT. Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley.

IPv4 addressing, NAT. Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley. IPv4 addressing, NAT http://xkcd.com/195/ Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley Some materials copyright 1996-2012 J.F Kurose and K.W. Ross, All Rights

More information

Chapter 4 Network Layer

Chapter 4 Network Layer Chapter 4 Network Layer A note on the use of these ppt slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see the animations; and

More information

CS 43: Computer Networks. 20: The Network Layer November 5, 2018

CS 43: Computer Networks. 20: The Network Layer November 5, 2018 CS 43: Computer Networks 20: The Network Layer November 5, 2018 Last Class: TCP Rate and Flow Control TCP has mechanisms to control sending rate: Flow control: don t overload receiver Congestion control:

More information

Data Communications & Networks. Session 7 Main Theme Networks: Part I Circuit Switching, Packet Switching, The Network Layer

Data Communications & Networks. Session 7 Main Theme Networks: Part I Circuit Switching, Packet Switching, The Network Layer Data Communications & Networks Session 7 Main Theme Networks: Part I Circuit Switching, Packet Switching, The Network Layer Dr. Jean-Claude Franchitti New York University Computer Science Department Courant

More information

Chapter 4 Network Layer

Chapter 4 Network Layer Chapter 4 Network Layer Computer Networking A Top-Down Approach These slides are based on the slides made available by Kurose and Ross. All material copyright 1996-2012 J.F Kurose and K.W. Ross, All Rights

More information

Chapter 4 Network Layer: The Data Plane

Chapter 4 Network Layer: The Data Plane Chapter 4 Network Layer: The Data Plane A note on the use of these Powerpoint slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see

More information

CSC 401 Data and Computer Communications Networks

CSC 401 Data and Computer Communications Networks CSC 401 Data and Computer Communications Networks Network Layer Overview, Router Design, IP Sec 4.1. 4.2 and 4.3 Prof. Lina Battestilli Fall 2017 Chapter 4: Network Layer, Data Plane chapter goals: understand

More information

EPL606. Internetworking. Part 2a. 1Network Layer

EPL606. Internetworking. Part 2a. 1Network Layer EPL606 Internetworking Part 2a The majority of the slides in this course are adapted from the accompanying slides to the books by Larry Peterson and Bruce Davie and by Jim Kurose and Keith Ross. Additional

More information

Chapter 4 Network Layer: The Data Plane

Chapter 4 Network Layer: The Data Plane Chapter 4 Network Layer: The Data Plane A note on the use of these Powerpoint slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see

More information

COMP211 Chapter 4 Network Layer: The Data Plane

COMP211 Chapter 4 Network Layer: The Data Plane COMP211 Chapter 4 Network Layer: The Data Plane All material copyright 1996-2016 J.F Kurose and K.W. Ross, All Rights Reserved Computer Networking: A Top Down Approach 7 th edition Jim Kurose, Keith Ross

More information

Chapter 4 Network Layer

Chapter 4 Network Layer Chapter 4 Network Layer A note on the use of these ppt slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see the animations; and

More information

Network Superhighway CSCD 330. Network Programming Winter Lecture 13 Network Layer. Reading: Chapter 4

Network Superhighway CSCD 330. Network Programming Winter Lecture 13 Network Layer. Reading: Chapter 4 CSCD 330 Network Superhighway Network Programming Winter 2015 Lecture 13 Network Layer Reading: Chapter 4 Some slides provided courtesy of J.F Kurose and K.W. Ross, All Rights Reserved, copyright 1996-2007

More information

Lecture 16: Network Layer Overview, Internet Protocol

Lecture 16: Network Layer Overview, Internet Protocol Lecture 16: Network Layer Overview, Internet Protocol COMP 332, Spring 2018 Victoria Manfredi Acknowledgements: materials adapted from Computer Networking: A Top Down Approach 7 th edition: 1996-2016,

More information

EC441 Fall 2018 Introduction to Computer Networking Chapter4: Network Layer Data Plane

EC441 Fall 2018 Introduction to Computer Networking Chapter4: Network Layer Data Plane EC441 Fall 2018 Introduction to Computer Networking Chapter4: Network Layer Data Plane This presentation is adapted from slides produced by Jim Kurose and Keith Ross for their book, Computer Networking:

More information

Master Course Computer Networks IN2097

Master Course Computer Networks IN2097 Chair for Network Architectures and Services Prof. Carle Department for Computer Science TU München Master Course Computer Networks IN2097 Prof. Dr.-Ing. Georg Carle Christian Grothoff, Ph.D. Chair for

More information

Chapter 4 Network Layer

Chapter 4 Network Layer Chapter 4 Network Layer CPSC 335 Data Communication Systems Readings: 4.4.3, 4.4.4, 4.5, 4.5.1 David Nguyen Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March

More information

Chapter 4: Network Layer

Chapter 4: Network Layer Chapter 4: Network Layer Chapter goals: understand principles behind layer services: routing (path selection) dealing with scale how a router works advanced topics: IPv6, mobility instantiation and implementation

More information

Topic 4a Router Operation and Scheduling. Ch4: Network Layer: The Data Plane. Computer Networking: A Top Down Approach

Topic 4a Router Operation and Scheduling. Ch4: Network Layer: The Data Plane. Computer Networking: A Top Down Approach Topic 4a Router Operation and Scheduling Ch4: Network Layer: The Data Plane Computer Networking: A Top Down Approach 7 th edition Jim Kurose, Keith Ross Pearson/Addison Wesley April 2016 4-1 Chapter 4:

More information

CSCD58 WINTER 2018 WEEK 6 - NETWORK LAYER PART 1. Brian Harrington. February 13, University of Toronto Scarborough

CSCD58 WINTER 2018 WEEK 6 - NETWORK LAYER PART 1. Brian Harrington. February 13, University of Toronto Scarborough CSCD58 WINTER 2018 WEEK 6 - NETWORK LAYER PART 1 Brian Harrington University of Toronto Scarborough February 13, 2018 ADMIN Assignments Midterm after reading week (Feb 27) In class Covering everything

More information

CSC 4900 Computer Networks: Network Layer

CSC 4900 Computer Networks: Network Layer CSC 4900 Computer Networks: Network Layer Professor Henry Carter Fall 2017 Villanova University Department of Computing Sciences Review What is AIMD? When do we use it? What is the steady state profile

More information

Course on Computer Communication and Networks. Lecture 6 Network Layer part 1: Data Plane Chapter 4 (7/e) (6/e Ch4-first part)

Course on Computer Communication and Networks. Lecture 6 Network Layer part 1: Data Plane Chapter 4 (7/e) (6/e Ch4-first part) Course on Computer Communication and Networks Lecture 6 Network Layer part 1: Data Plane Chapter 4 (7/e) (6/e Ch4-first part) EDA344/DIT 423, CTH/GU Based on the book Computer Networking: A Top Down Approach,

More information

Module 3 Network Layer CS755! 3-1!

Module 3 Network Layer CS755! 3-1! Module 3 Network Layer CS755 3-1 Please note: Most of these slides come from this book. Note their copyright notice below A note on the use of these ppt slides: We re making these slides freely available

More information

CS 3516: Advanced Computer Networks

CS 3516: Advanced Computer Networks Welcome to CS 3516: Advanced Computer Networks Prof. Yanhua Li Time: 9:00am 9:50am M, T, R, and F Location: Fuller 320 Fall 2017 A-term 1 Some slides are originally from the course materials of the textbook

More information

CS 43: Computer Networks The Network Layer. Kevin Webb Swarthmore College November 2, 2017

CS 43: Computer Networks The Network Layer. Kevin Webb Swarthmore College November 2, 2017 CS 43: Computer Networks The Network Layer Kevin Webb Swarthmore College November 2, 2017 TCP/IP Protocol Stack host host HTTP Application Layer HTTP TCP Transport Layer TCP router router IP IP Network

More information

Announcement. Project 2 extended to 2/20 midnight Project 3 available this weekend Homework 3 available today, will put it online

Announcement. Project 2 extended to 2/20 midnight Project 3 available this weekend Homework 3 available today, will put it online Announcement Project 2 extended to 2/20 midnight Project 3 available this weekend Homework 3 available today, will put it online Outline Introduction and Network Service Models Routing Principles Link

More information

CSC358 Week 6. Adapted from slides by J.F. Kurose and K. W. Ross. All material copyright J.F Kurose and K.W. Ross, All Rights Reserved

CSC358 Week 6. Adapted from slides by J.F. Kurose and K. W. Ross. All material copyright J.F Kurose and K.W. Ross, All Rights Reserved CSC358 Week 6 Adapted from slides by J.F. Kurose and K. W. Ross. All material copyright 1996-2016 J.F Kurose and K.W. Ross, All Rights Reserved Logistics Assignment 2 posted, due Feb 24, 10pm Next week

More information

Quiz. Segment structure and fields Flow control (rwnd) Timeout interval. Phases transition ssthresh setting Cwnd setting

Quiz. Segment structure and fields Flow control (rwnd) Timeout interval. Phases transition ssthresh setting Cwnd setting Quiz v 10/30/2013 (Wednesday), 20 mins v Midterm question (available on website) v TCP basics Segment structure and fields Flow control (rwnd) Timeout interval v TCP Congestion control Phases transition

More information

CSCD 330 Network Programming

CSCD 330 Network Programming CSCD 330 Network Programming Network Superhighway Spring 2018 Lecture 13 Network Layer Reading: Chapter 4 Some slides provided courtesy of J.F Kurose and K.W. Ross, All Rights Reserved, copyright 1996-2007

More information

Computer Network Architectures and Multimedia. Guy Leduc. Chapter 2 MPLS networks. Chapter 2: MPLS

Computer Network Architectures and Multimedia. Guy Leduc. Chapter 2 MPLS networks. Chapter 2: MPLS Computer Network Architectures and Multimedia Guy Leduc Chapter 2 MPLS networks Chapter based on Section 5.5 of Computer Networking: A Top Down Approach, 6 th edition. Jim Kurose, Keith Ross Addison-Wesley,

More information

CS 3516: Computer Networks

CS 3516: Computer Networks Welcome to CS 3516: Computer Networks Prof. Yanhua Li Time: 9:00am 9:50am M, T, R, and F Location: AK219 Fall 2018 A-term 1 Some slides are originally from the course materials of the textbook Computer

More information

UNIT III THE NETWORK LAYER

UNIT III THE NETWORK LAYER UNIT III THE NETWORK LAYER Introduction-Virtual Circuit and Datagram Networks- Inside a Router- The Internet Protocol (IP): Forwarding and Addressing in the Internet-Routing Algorithms Routing in the Internet-Broadcast

More information

Chapter 4 Network Layer: The Data Plane

Chapter 4 Network Layer: The Data Plane Chapter 4 Network Layer: The Data Plane A note on the use of these Powerpoint slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see

More information

Read Chapter 4 of Kurose-Ross

Read Chapter 4 of Kurose-Ross CSE 422 Notes, Set 4 These slides contain materials provided with the text: Computer Networking: A Top Down Approach,5th edition, by Jim Kurose and Keith Ross, Addison-Wesley, April 2009. Additional figures

More information

Chapter 4: Network Layer

Chapter 4: Network Layer hapter 4: Network Layer hapter goals: understand principles behind layer services: routing (path selection) dealing with scale how a router works advanced topics: IPv6, multicast instantiation and implementation

More information

CSCE 463/612 Networks and Distributed Processing Spring 2018

CSCE 463/612 Networks and Distributed Processing Spring 2018 CSCE 463/612 Networks and Distributed Processing Spring 2018 Network Layer II Dmitri Loguinov Texas A&M University April 3, 2018 Original slides copyright 1996-2004 J.F Kurose and K.W. Ross 1 Chapter 4:

More information

RSC Part II: Network Layer. 3. IP addressing. II.5 Network routing. II. 1 Basic Network layer concepts II.2 Introduction to IP

RSC Part II: Network Layer. 3. IP addressing. II.5 Network routing. II. 1 Basic Network layer concepts II.2 Introduction to IP RSC Part II: 3. IP addressing Redes y Servicios de Comunicaciones Universidad Carlos III de Madrid These slides are, mainly, part of the companion slides to the book Computer Networking: A Top Down Approach

More information

RSC Part II: Network Layer 3. IP addressing (2nd part)

RSC Part II: Network Layer 3. IP addressing (2nd part) RSC Part II: Network Layer 3. IP addressing (2nd part) Redes y Servicios de Comunicaciones Universidad Carlos III de Madrid These slides are, mainly, part of the companion slides to the book Computer Networking:

More information

4.2 Virtual Circuit and Datagram Networks

4.2 Virtual Circuit and Datagram Networks 4.2 VIRTUAL CIRCUIT AND DATAGRAM NETWORKS 313 Available bit rate (ABR) ATM network service. With the Internet offering socalled best-effort service, ATM s ABR might best be characterized as being a slightly-better-than-best-effort

More information

Chapter 4: network layer. Network service model. Two key network-layer functions. Network layer. Input port functions. Router architecture overview

Chapter 4: network layer. Network service model. Two key network-layer functions. Network layer. Input port functions. Router architecture overview Chapter 4: chapter goals: understand principles behind services service models forwarding versus routing how a router works generalized forwarding instantiation, implementation in the Internet 4- Network

More information

Chapter 4 Network Layer: The Data Plane

Chapter 4 Network Layer: The Data Plane Chapter 4 Network Layer: The Data Plane Lu Su Assistant Professor Department of Computer Science and Engineering State University of New York at Buffalo Adapted from the slides of the book s authors Computer

More information

Master Course Computer Networks IN2097

Master Course Computer Networks IN2097 Chair for Network Architectures and Services Prof. Carle Department of Computer Science TU München Master Course Computer Networks IN2097 Prof. Dr.-Ing. Georg Carle Christian Grothoff, Ph.D. Stephan Günther

More information

LAN Interconnection and Other Link Layer Protocols

LAN Interconnection and Other Link Layer Protocols LAN Interconnection and Other Link Layer Protocols Ethernet dominant link layer technology for local-area networks Ethernet frame structure Kai Shen Dept. of Computer Science, University of Rochester Ethernet

More information

CS 3516: Advanced Computer Networks

CS 3516: Advanced Computer Networks Welcome to CS 3516: Advanced Computer Networks Prof. Yanhua Li Time: 9:00am 9:50am M, T, R, and F Location: Fuller 320 Fall 2017 A-term 1 Some slides are originally from the course materials of the textbook

More information

Chapter 4 Network Layer: The Data Plane

Chapter 4 Network Layer: The Data Plane Chapter 4 Network Layer: The Data Plane A note on the use of these Powerpoint slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see

More information

Lecture 3. The Network Layer (cont d) Network Layer 1-1

Lecture 3. The Network Layer (cont d) Network Layer 1-1 Lecture 3 The Network Layer (cont d) Network Layer 1-1 Agenda The Network Layer (cont d) What is inside a router? Internet Protocol (IP) IPv4 fragmentation and addressing IP Address Classes and Subnets

More information

The Network Layer and Routers

The Network Layer and Routers The Network Layer and Routers Daniel Zappala CS 460 Computer Networking Brigham Young University 2/18 Network Layer deliver packets from sending host to receiving host must be on every host, router in

More information

Chapter 3 Transport Layer

Chapter 3 Transport Layer Chapter 3 Transport Layer Lec 8: Transport Layer Service Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012 All material copyright 1996-2012 J.F Kurose

More information

Lecture 8. Network Layer (cont d) Network Layer 1-1

Lecture 8. Network Layer (cont d) Network Layer 1-1 Lecture 8 Network Layer (cont d) Network Layer 1-1 Agenda The Network Layer (cont d) What is inside a router Internet Protocol (IP) IPv4 fragmentation and addressing IP Address Classes and Subnets Network

More information

Chapter 1 Introduction

Chapter 1 Introduction Reiew for Midterm Chapter 1 Introduction Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012 Slides adopted from original ones proided by the textbook

More information

Network Layer: Control/data plane, addressing, routers

Network Layer: Control/data plane, addressing, routers Network Layer: Control/data plane, addressing, routers CS 352, Lecture 10 http://www.cs.rutgers.edu/~sn624/352-s19 Srinivas Narayana (heavily adapted from slides by Prof. Badri Nath and the textbook authors)

More information

Network Layer: Chapter 4. The Data Plane. Computer Networking: A Top Down Approach

Network Layer: Chapter 4. The Data Plane. Computer Networking: A Top Down Approach Chapter 4 Network Layer: The Data Plane A note on the use of these Powerpoint slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see

More information

Chapter 4 Network Layer: The Data Plane

Chapter 4 Network Layer: The Data Plane Chapter 4 Network Layer: The Data Plane A note on the use of these Powerpoint slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see

More information

Chapter 4 Network Layer: The Data Plane

Chapter 4 Network Layer: The Data Plane Chapter 4 Network Layer: The Data Plane A note on the use of these Powerpoint slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see

More information

Chapter 18. Introduction to Network Layer

Chapter 18. Introduction to Network Layer Chapter 18. Introduction to Network Layer 18.1 Network Layer Services 18.2 Packet Switching 18.3 Network Layer Performance 18.4 IPv4 Addresses 18.5 Forwarding of IP Packets Computer Networks 18-1 Communication

More information

Introduction to Computer Networking. Guy Leduc. Chapter 4 Network Layer: The Data Plane. Chapter 4: Network Layer Data Plane

Introduction to Computer Networking. Guy Leduc. Chapter 4 Network Layer: The Data Plane. Chapter 4: Network Layer Data Plane Introduction to Computer Networking Guy Leduc Chapter 4 Network Layer: The Data Plane Computer Networking: A Top Down Approach, 7 th edition. Jim Kurose, Keith Ross Addison-Wesley, April 2016. From Computer

More information

Network Layer Introduction

Network Layer Introduction Network Layer Introduction Tom Kelliher, CS 325 Apr. 6, 2011 1 Administrivia Announcements Assignment Read 4.4. From Last Time Congestion Control. Outline 1. Introduction. 2. Virtual circuit and datagram

More information

INTRODUCTORY COMPUTER

INTRODUCTORY COMPUTER INTRODUCTORY COMPUTER NETWORKS TYPES OF NETWORKS Faramarz Hendessi Introductory Computer Networks Lecture 4 Fall 2010 Isfahan University of technology Dr. Faramarz Hendessi 2 Types of Networks Circuit

More information

Chapter 4 Network Layer: The Data Plane

Chapter 4 Network Layer: The Data Plane Chapter 4 Network Layer: The Data Plane A note on the use of these Powerpoint slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you see

More information

Lecture 17: Network Layer Addressing, Control Plane, and Routing

Lecture 17: Network Layer Addressing, Control Plane, and Routing Lecture 17: Network Layer Addressing, Control Plane, and Routing COMP 332, Spring 2018 Victoria Manfredi Acknowledgements: materials adapted from Computer Networking: A Top Down Approach 7 th edition:

More information

Chapter 5 Network Layer: The Control Plane

Chapter 5 Network Layer: The Control Plane Chapter 5 Network Layer: The Control Plane A note on the use of these Powerpoint slides: We re making these slides freely available to all (faculty, students, readers). They re in PowerPoint form so you

More information

Last time. Network layer. Introduction. Virtual circuit vs. datagram details. IP: the Internet Protocol. forwarding vs. routing

Last time. Network layer. Introduction. Virtual circuit vs. datagram details. IP: the Internet Protocol. forwarding vs. routing Last time Network layer Introduction forwarding vs. routing Virtual circuit vs. datagram details connection setup, teardown VC# switching forwarding tables, longest prefix matching IP: the Internet Protocol

More information

Virtual Link Layer : Fundamentals of Computer Networks Bill Nace

Virtual Link Layer : Fundamentals of Computer Networks Bill Nace Virtual Link Layer 14-740: Fundamentals of Computer Networks Bill Nace Material from Computer Networking: A Top Down Approach, 6 th edition. J.F. Kurose and K.W. Ross Administrivia 3 Lectures left HW #2

More information

Data Networks. Lecture 1: Introduction. September 4, 2008

Data Networks. Lecture 1: Introduction. September 4, 2008 Data Networks Lecture 1: Introduction September 4, 2008 Slide 1 Learning Objectives Fundamental aspects of network Design and Analysis: Architecture: layering, topology design, switching mechanisms Protocols:

More information

Chapter 5 Link Layer. Computer Networking: A Top Down Approach. 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012

Chapter 5 Link Layer. Computer Networking: A Top Down Approach. 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012 Chapter 5 Link Layer Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012 All material copyright 1996-2012 J.F Kurose and K.W. Ross, All Rights Reserved

More information

The Network Layer Forwarding Tables and Switching Fabric

The Network Layer Forwarding Tables and Switching Fabric The Network Layer Forwarding Tables and Switching Fabric Smith College, CSC 249 February 27, 2018 1 Network Layer Overview q Network layer services v v Desired services and tasks Actual services and tasks

More information

CS 3516: Computer Networks

CS 3516: Computer Networks Welcome to CS 3516: Computer Networks Prof. Yanhua Li Time: 9:00am 9:50am M, T, R, and F Location: AK219 Fall 2018 A-term 1 Some slides are originally from the course materials of the textbook Computer

More information

Chapter 4 Network Layer: The Data Plane

Chapter 4 Network Layer: The Data Plane Chapter 4 Network Layer: The Data Plane Chapter 4: outline 4.1 Overview of Network layer data plane control plane 4.2 What s inside a router 4.3 IP: Internet Protocol datagram format fragmentation IPv4

More information

Introduction to Networks and the Internet

Introduction to Networks and the Internet Introduction to Networks and the Internet CMPE 80N Winter 2004 Lecture 18 Announcements Fourth quiz on Monday, March 1 st. Third HTML discussion session today by Kiran (before class). Summary posted on

More information

Virtual Link Layer : Fundamentals of Computer Networks Bill Nace

Virtual Link Layer : Fundamentals of Computer Networks Bill Nace Virtual Link Layer 14-740: Fundamentals of Computer Networks Bill Nace Material from Computer Networking: A Top Down Approach, 6 th edition. J.F. Kurose and K.W. Ross Administrivia 3 Lectures left HW #2

More information

CSC 4900 Computer Networks: Network Layer

CSC 4900 Computer Networks: Network Layer CSC 4900 Computer Networks: Network Layer Professor Henry Carter Fall 2017 Chapter 4: Network Layer 4. 1 Introduction 4.2 What s inside a router 4.3 IP: Internet Protocol Datagram format 4.4 Generalized

More information

CS 3516: Computer Networks

CS 3516: Computer Networks Welcome to CS 3516: Computer Networks Prof. Yanhua Li Time: 9:00am 9:50am, T, R, and F Location: AK219 Fall 2018 A-term 1 Some slides are originally from the course materials of the textbook Computer Networking:

More information

Internetworking With TCP/IP

Internetworking With TCP/IP Internetworking With TCP/IP Application Layer Telnet Gopher NFS FTP X Win TFTP SMTP SNMP REXEC DNS RPC Transport Layer TCP UDP Network Layer ICMP IP IGMP ARP RARP Parviz Kermani NYU:Poly Link Interface

More information

Chapter 4 Network layer

Chapter 4 Network layer Departamento de Tecnología Electrónica Computer Networking Chapter 4 Network layer The most of this slides is given as material with copyright from: Computer Networking: A Top Down Approach, 5 th edition.

More information