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Lecture 1 -_overview_of_the_internet-1-
- 1. BITS 2513 – INTERNET TECHNOLOGY LECTURE 1: OVERVIEW OF THE INTERNET
- 3. Introduction to the Internet Infrastructure
- 4. Internet Infrastructure – US Scenario local ISP campus network corporate network IXP Regional Network Regional Network local ISP local ISP IXP IXP Backbone Network Backbone Network Regional Network Regional Network
- 5. Internet Infrastructure – Malaysia Scenario Backbone Network Backbone Network local ISP local ISP corporate IXP Regional Network local ISP Campus network corporate IXP Regional Network Campus network
- 8. Common Internet Access Method
- 12. Internet Access Methods (Continued) Cable Modem DSL
- 13. Internet Service Providers (ISPs)
- 18. Example of how a small ISP might connect to the Internet Figure 1
- 21. How an Internet Service Provider Works (Continued) Figure 2
- 27. How URL Works
- 30. How a browser works
- 31. Internet, Intranet and Extranet
Editor's Notes
- Internet consists of more than one networks that are interconnected through at least a backbone. IXP - Internet Exchange Point: physical infrastructure through which Internet service providers (ISPs) exchange Internet traffic between their networks
- AS: is one network or sets of networks under a single administrative control. An autonomous system might be the set of all computer networks owned by a company, or a college. Companies and organizations might own more than one autonomous system, but the idea is that each autonomous system is managed independently
- An example of a local ISP Note the CSU/ DSU. Discussion in later slide.
- CSU: T1 and LAN uses different electrical voltage for signals. CSU standardizes it. DSU: For formatting of data from LAN to WAN (T1).
- An example of a Regional ISP
- RLE: Will be discussed more during lab session.