'Domain name service' diaporamas de présentation

Client/Service

Client/Service. Enforced Modularity. Principles of Computer System (2012 Fall). Review. M.A.L.H. Modularity Split up system Consider separately. Abstraction Interface/Hiding E.g., standard size windows Avoid propagation of effects. Layering Gradually build up capabilities. Hierarchy

796 views • 62 slides

Security Baselines

Security Baselines. Chapter 13. Learning Objectives. Gain an understanding of OS/NOS vulnerabilities and hardening practices Understand the operation of a file system and how to secure a file system

984 views • 61 slides

Networking C Shell Programming

Networking C Shell Programming. Network Services. Having your systems available over a network is required for most businesses today Providing those services is the task of the System Administrator. Network Services. How do your users connect to your systems tera term telnet rlogin rcp

671 views • 55 slides

Tools for Auditing and Defending your Network

Tools for Auditing and Defending your Network . Tools for Auditing and Defending your Network . Firewalls Network Reconnaissance Tools Port Redirection Sniffers TCP /IP stack Tools. Firewalls. Firewalls and packet filters-The Basics Freeware Firewalls Commercial Firewalls.

1.19k views • 54 slides

Week Thirteen Agenda

Week Thirteen Agenda. Announcements Next weeks agenda: Student Open Source presentations December 7 and 14 Final exam outline posted Link of the week Review week twelve lab assignment Week eleven expected outcomes Next lab assignment Break-out problems

641 views • 47 slides

Firewall

Firewall. COSC 513 By Lerraj Khommeteeyuthakan. Introduction to Firewall. A method for keeping a network secure Firewall is an approach to security Helps implement a larger security policy To control access to or from a protected network . The Firewall Concept. The Firewall Concept.

793 views • 31 slides

Provider Provisioned Virtual Private Networks

Provider Provisioned Virtual Private Networks. Wing C. Lau Performance Analysis Department Bell Labs, Lucent Technologies Holmdel, New Jersey Dec. 6. 2002. Outline. VPN What is a VPN ? Terminology VPN Taxonomy Evolution of VPN Technologies IP/MPLS-based PPVPNs Motivation

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Naming in Distributed Systems

Naming in Distributed Systems. Unique identifiers UID s e.g. 128 bits - are never reused - refer to the same thing at all times, or to nothing at all UIDs should be location-independent! Can the named object be moved? Pure and impure names ( Needham ) pure names

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The Internet

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MD703

MD703 Internet & Telecom Basics How the Net Works Key Technologies IP Telephony Solving the Last Mile Problem Speed & Ubiquity Developments What is the Internet? A Network of Networks TCP/IP - standard protocol for routing & transport A medium of exchanging all form of digital data

565 views • 23 slides

Internet Applications

Internet Applications. INTERNET APPLICATIONS. Internet Applications. Internet Applications. Domain Name Service Proxy Service Mail Service Web Service. DNS. DNS. DNS. Internet Naming Hierarchy. The silent dot at the end of all addresses. .org. .in. .com. .net. .tcd. .co. .ac.

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Technical Aspects of Search Engine Marketing By Adam Howitt

Technical Aspects of Search Engine Marketing By Adam Howitt. Frequently Asked Questions. Why does my page take so long to be indexed? How can I improve my page rank? How can I add more pages to the search engines? How can I improve my position in results?

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Naming

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Some Real Problem

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? ? ? ? ? ? ? Next Generation Internet

? ? ? ? ? ? ? Next Generation Internet. ??? (Ruay-Shiung Chang) Department of Computer Science and Information Engineering National Dong Hwa University. Last Modified: February, 2001. Textbook: IPng and the TCP/IP Protocols by Stephen A. Thomas. Course Contents :

284 views • 16 slides

Replication and Consistency

Replication and Consistency. CS-4513 D-Term 2007 (Slides include materials from Operating System Concepts , 7 th ed., by Silbershatz, Galvin, & Gagne, Modern Operating Systems , 2 nd ed., by Tanenbaum, and Distributed Systems: Principles & Paradigms , 2 nd ed. By Tanenbaum and Van Steen).

419 views • 15 slides

Protocol Suites

Protocol Suites. Lecture 1. Protocol. An agreed-upon format for transmitting data between two devices. . Communication b/w Nodes. Requires sending and receiving devices Both devices must be configured for the same protocol or there must be a gateway to translate between the protocols.

292 views • 15 slides

COP 4600 Operating Systems Fall 2010

245 views • 11 slides