network layer - kent state universitymallouzi/ccn spring 2014/network layer.pdfthe network layer as...

39

Network Layer

Upload: others

Post on 05-Mar-2020

4 views

Category:

Documents

0 download

Report

Download

Embed Size (px):

TRANSCRIPT

Page 1: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Network Layer

Page 2: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Introduction

Page 3: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Network Layer – Communication Form Host to Host

Page 4: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Network Layer – Communication Form Host to Host…

Page 5: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

The IPv4 protocol- example network layer Protocol

Page 6: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

The IPv4 protocol- connectionless

Page 7: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

The IPv4 protocol- Best Effort

Page 8: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

The IPv4 protocol- Media Independent

Page 9: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

IPv4-Packaging the Transport layer PDU

Page 10: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

IPv4 Packet Header

Page 11: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Dividing Networks

Page 12: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Separating Hosts into Common Groups

Page 13: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Why Separating Host into Networks? Performance

Page 14: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Why Separating Host into Networks? Security

Page 15: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Why Separating Host into Networks? Address Management

Page 16: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

How do we Separate Hosts into Networks

Page 17: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Dividing the Networks- a Network of Networks

Page 18: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Device Parameters

Page 19: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

IP Packets

Page 20: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

IP Packets

Page 21: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

IP Packets

Page 22: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

IP Packets

Page 23: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

IP Packets

Page 24: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

IP Packets

Page 25: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

IP packets Carrying data End to End

Page 26: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Page 27: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

The Gateway

Page 28: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

The Gateway

Page 29: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

A Route

Page 30: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Host Routing Table

Page 31: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Routing Table Entries

Page 32: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Routing Table Entries

Page 33: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

The Next-Hop

Page 34: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Packet Forwarding

Page 35: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Packet Forwarding…

Page 36: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Packet Forwarding…

Page 37: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Routing Protocol

Page 38: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Page 39: Network Layer - Kent State Universitymallouzi/ccn Spring 2014/Network Layer.pdfThe Network Layer As we communicate our data... Our devices use the Transport layer to connect processes

Dynamic Routing

Network layer -- May 20041 Network layer Computer Networks

Network Layer - KU ITTCjpgs/courses/nets/lecture-network-print.pdf · Network Layer Network Protocols and Devices ... Network Layer Forwarding vs. Routing • Forwardingtransfers

Lecture (06) Network layer fundamentals LAN, WAN Layer I · •Network Layer Interaction with the Data Link Layer •Network Layer (Layer 3) Addressing ٢ Dr. Ahmed ElShafee, ACU

Chapter 4 Network Layerkld/slides/cap4-en.pdf · Network Layer 4-2 Chapter 4: network layer chapter goals: understand principles behind network layer services: network layer service

Network Layer CS 3516 – Computer Networks. Chapter 4: Network Layer Chapter goals: Understand principles behind network layer services: –network layer

Network Layer 4-1 Chapter 4: network layer chapter goals: understand principles behind network layer services: network layer service models forwarding

Networking Network Layer. Networking – Network Layer The Network Layer is part of the Internet Protocol stack The Network Layer sits between the Transport

Computer Networks Network layer (Part 3). Network layer (part 3) Last two classes Network layer functionality IP network layer implementation –IP security,

Chapter 4: Network Layer Network Layer

Network Layer 4-1 The Internet Network layer

CSci4211: Network Layer: Part I1 Network Layer: Part I Network Layer and IP Protocol! Part I: Network Layer Functions and Service Models –Network Layer

Layer 3 The Network Layer

Chapter 4 Chapter 4: Network Layer Network Layer

Defining Network Protocols Application Protocols –Application Layer –Presentation Layer –Session Layer Transport Protocols –Transport Layer Network Protocols

UNIT-IV Computer Network Network Layer. Network Layer Prepared by - ROHIT KOSHTA In the seven-layer OSI model of computer networking, the network layer

Chapter 6: Network Layer - ASEzota.ase.ro/net-idd/05_Network_Layer_ID_2020.pdf · Network Layer in Communications The Network Layer • The network layer, which resides at OSI Layer

1 Internet Protocol/ Network Layer Network Layer III (IP)

Chapter 4 Network Layer. Chapter 4: Network Layer Chapter goals: r understand principles behind network layer services: m network layer service models

Network Layer 4-1 Chapter 4 Network Layer. Network Layer 4-2 Chapter 4: Network Layer Chapter goals: understand principles behind network layer services:

Computer Network - Network Layer

UNIT-III THE NETWORK LAYER THE NETWORK LAYER IN THE INTERNET NETWORK LAYER€¦ · · 2015-12-25THE NETWORK LAYER THE NETWORK LAYER IN THE INTERNET ... NETWORK LAYER DESIGN ISSUES:

Addressing the Network-IPv4 - Kent State Universitymallouzi/ccn Spring 2014/Addressing the Network... · Addressing the Network-IPv4 . Introduction . IPv4 . ... Subnetting- Dividing

The Network Layer CT542. Content Network Layer Functions ( Context of the operation of network layer protocols, Services provided to the transport layer,

Chapter 4 Network Layer Network Layer 4-1. Network Layer 4-2 Chapter 4: network layer chapter goals: understand principles behind network layer services:

1 Computer Networks Network layer (Part 4). 2 Network layer (so far) Network layer functions Network layer implementation (IP) Today –Network layer devices

Data Link Layer - Kent State Universitymallouzi/ccn Spring 2014/Data Link Layer.pdf · Data Link Layer - Connecting Upper ... Data Link Layer- Standards . Placing Data on The Media

Network Layer4-1 Chapter 4 Network Layer. Network Layer4-2 Chapter 4: Network Layer Chapter goals: r understand principles behind network layer services:

Network Layer - Courses · • Link-layer (layer 2) ... • Only one protocol at the network layer. ... TCP IP Network Access Application protocol

Chapter 4: network layer - eng.utah.educs5480/notes/Chapter4.pdf · Network Layer 4-1 Chapter 4: network layer chapter goals: ... Network Layer 4-2 ... Network Layer 4-14 application

Chapter 6: Network Layer (Layer 3) - AT shareatshare.weebly.com/uploads/1/0/8/9/10891690/ne... · Chapter 6: Network Layer (Layer 3) Network Layer Protocols. The Network Layer. The

Chapter 12: Network Managementrenjian/pubs/network-management.pdfSession Transport Network Data Link Layer 1 Physical Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 Layer 7 Network Interface

Chapter 3: Protocols and Services€¦ · Presentation Layer Application Layer Application Process Physical Layer Data Link Layer Network Layer Physical Layer Data Link Layer Network

Chapter 4: network layer - School of Engineeringsong/classes/cn/ch4-part-1.pdf · Network Layer 4-1 Chapter 4: network layer chapter goals: ... Network Layer 4-2 ... Network Layer

Network layer, virtual circuits - Montana TechChapter 4: network layer Chapter goals: Understand principles behind network layer: Network layer service models Forwarding versus routing