'Network layer address' diaporamas de présentation

Chapter 5 Network Security

Chapter 5 Network Security. Sue Fitzgerald Metropolitan State University CS 328 Computer Security Fall 2008. Overview. Networks facilitate information sharing Networks permit remote attacks Network security includes Network architecture Protocols Modern applications permit remote access

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1.03k views • 80 slides

1DT014/1TT821 Computer Networks I Chapter 5 Link Layer and LANs

1DT014/1TT821 Computer Networks I Chapter 5 Link Layer and LANs. 5.1 Introduction and services 5.2 Error detection and correction 5.3Multiple access protocols 5.4 Link-Layer Addressing 5.5 Ethernet. 5.6 Link-layer switches 5.7 PPP 5.8 Link Virtualization: ATM, MPLS. Link Layer.

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CISCO NETWORKING ACADEMY PROGRAM (CNAP) SEMESTER 1/ MODULE 10

CISCO NETWORKING ACADEMY PROGRAM (CNAP) SEMESTER 1/ MODULE 10. Routing Fundamentals & Subnets. CISCO NETWORKING ACADEMY PROGRAM SEMESTER 1/ MODULE 10. Routing Fundamental & Subnets. Overview. Internet Protocol (IP) is the routed protocol of the Internet.

597 views • 39 slides

Switches & Routers

Switches & Routers. Section Objectives. Overview of Switches and Routers in a Network Environment Switch Configuration Routing Basics and Configuration Displaying Router Information Troubleshooting Routers and Switches. Layer 3 (IP) Basics.

624 views • 39 slides

Switches & Routers

Switches & Routers. Section Objectives. Overview of Switches and Routers in a Network Environment Switch Configuration Routing Basics and Configuration Displaying Router Information Troubleshooting Routers and Switches. Layer 3 (IP) Basics.

405 views • 39 slides

CS 1652

CS 1652. Jack Lange University of Pittsburgh. MAC Addresses and ARP. 32-bit IP address: network-layer address used to get datagram to destination IP subnet MAC (or LAN or physical or Ethernet) address:

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1DT066 Distributed Information System

1DT066 Distributed Information System. Link Layer. Some terminology: hosts and routers are nodes communication channels that connect adjacent nodes along communication path are links wired links wireless links LANs layer-2 packet is a frame , encapsulates datagram.

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Slotted ALOHA

Pros single active node can continuously transmit at full rate of channel highly decentralized: only slots in nodes need to be in sync simple. Cons collisions, wasting slots idle slots nodes may be able to detect collision in less than time to transmit packet clock synchronization.

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End-to-end approach to host mobility

End-to-end approach to host mobility. By Alex C. Snoren and Hari Balakrishnan. Overview. Why end-to-end approach is better for handling mobility? Proposed end-to-end architecture for supporting mobility. Why end-to-end approach is better for handling mobility?.

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Ch 2: TCP/IP and OSI

Ch 2: TCP/IP and OSI. Explain communications at the physical layer. Signal to bits translation and vice versa (note: digital data is different from digital signal). Physical addresses. Physical address is also known as the link address

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Summary of MAC protocols

Summary of MAC protocols. Channel Partitioning, by time, frequency or code Time Division Frequency Division Code Division Random partitioning (dynamic), ALOHA S-ALOHA CSMA CSMA/CD Taking Turns polling from a central site token passing. Four Requirements. All decentralized.

202 views • 12 slides