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Lecture 4 -_internet_infrastructure_2_updated_2011

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This document provides an overview of various topics related to internet infrastructure, including: 1) Domain names and how they are assigned and resolved through DNS servers. 2) Directory servers which store network resource information and allow distributed access through protocols like LDAP. 3) Different types of servers that improve network performance like cache servers, mirrored servers, and print servers. 4) Bandwidth technologies used to connect to the internet like telephone lines, cable modems, DSL, satellite, and wireless connections.

EducaciónTecnología
1 de 48
BITS 2513 – Internet Technology Lecture 4: Internet Infrastructure (contd)
Topics ,[object Object],[object Object],[object Object]
Internet Infrastructure Domain Names on the Internet
Domain Names on the Internet ,[object Object],[object Object],[object Object]
DNS Name Space
Assigning and Tracking Domain Names and IP Addresses ,[object Object],[object Object],[object Object]
Domain Name Resolution ,[object Object],[object Object],[object Object],[object Object]
How DNS Works ,[object Object],[object Object],[object Object],[object Object]
How DNS Works (Continued) ,[object Object],[object Object],[object Object],[object Object]
How DNS Works (Continued) ,[object Object],[object Object],[object Object]
Address Resolution
How DNS Works (Continued) ,[object Object],[object Object]
DNS Resolver & Local Cache
DNS Records ,[object Object],[object Object]
DNS Record Types ,[object Object]
Host Table ,[object Object],[object Object]
Host Table (Continued) ,[object Object]
Internet Infrastructure Servers that help with Communication
Directory Server ,[object Object],[object Object]
X.500 and LDAP ,[object Object],[object Object]
How Directories Work ,[object Object],[object Object],[object Object]
How Directories Work (Continued)
How Directories Work (Continued) ,[object Object],[object Object],[object Object]
Advantages of X.500 & LDAP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Using Directories ,[object Object],[object Object]
Cache Servers ,[object Object],[object Object]
Cache Servers (Continued) ,[object Object],[object Object],[object Object]
Mirrored Servers ,[object Object],[object Object],[object Object],[object Object]
Using a Mirrored Server to Handle Site Traffic ,[object Object],[object Object]
Using a Mirrored Server as a Backup Server ,[object Object],[object Object],[object Object]
Print Servers ,[object Object],[object Object]
LPD Servers ,[object Object],[object Object]
LPD Servers (Continued) ,[object Object],[object Object],[object Object]
IPP ,[object Object],[object Object],[object Object],[object Object]
Internet Infrastructure Bandwidth Technologies
Bandwidth Technologies ,[object Object],[object Object],[object Object]
Bandwidth Technologies Used to Connect to an ISP ,[object Object],[object Object]
Regular Telephone Lines ,[object Object],[object Object],[object Object]
Cable Modem ,[object Object],[object Object],[object Object],[object Object]
PPPoE (Point-to-Point Protocol over Ethernet) ,[object Object],[object Object],[object Object],[object Object]
DSL ,[object Object],[object Object]
Satellite Connections to the Internet ,[object Object],[object Object],[object Object],[object Object]
Wireless Connections ,[object Object],[object Object],[object Object]
Wireless Application Protocol ,[object Object],[object Object],[object Object],[object Object]
Uses of Wireless Devices ,[object Object]
Assignment 1 ,[object Object],[object Object],[object Object],[object Object],[object Object]
ATM ,[object Object],[object Object],[object Object],[object Object],[object Object]
Mesh Topology ,[object Object],[object Object]

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Lecture 4 -_internet_infrastructure_2_updated_2011

Notas del editor

  1. Most big companies e.g: Google and Yahoo have mirror server to serve the clients better. When we ping Google.com or Yahoo.com at different times, the IP address that reply to our request is sometimes different. The IP address is sometimes different because it depends on the server that is ready to reply to our request.
  2. LPR: Line Printer Remote