Lecture Notes on The Internet and Its Architecture

These flashcards cover key vocabulary and concepts related to the Internet's architecture and related technologies as discussed in the lecture.

Internet

A global network of interconnected autonomous systems that allows devices to communicate.

Autonomous System

A collection of IP networks and routers under the control of a single entity that presents a common routing policy.

Tier-1 ISP

National Internet Service Providers that provide services to regional ISPs and local ISPs.

Peering

A process where ISPs at the same tier exchange traffic without charging each other.

Point of Presence (POP)

The physical location where an ISP connects its network to other networks.

Digital Subscriber Line (DSL)

A type of internet connection that uses existing telephone lines to transmit data.

Wavelength Division Multiplexing (WDM)

A technology that multiplexes multiple wavelengths onto a single optical fiber.

Internet Exchange Point (IXP)

A physical infrastructure that allows different ISPs to interconnect and exchange traffic.

Net Neutrality

The principle that ISPs should treat all data on the internet the same without discriminating or charging differently.

Internet2

A research and education initiative that aims to develop advanced internet technologies and standards.