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完成時間大約為11 小時

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立即開始,按照自己的計劃學習。

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完成時間大約為11 小時

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教學大綱 - 您將從這門課程中學到什麼

1
完成時間為 2 小時

Introduction

An introduction to what we will explore in this course: 20 practical questions and their answers, about your networked life....
5 個視頻 (總計 94 分鐘), 3 個閱讀材料
5 個視頻
Preview of Questions 1–1022分鐘
Preview of Questions 11–2020分鐘
Methods and Course Concepts15分鐘
Course Logistics27分鐘
3 個閱讀材料
About Us10分鐘
Suggested Readings and Links10分鐘
Contact us10分鐘
完成時間為 2 小時

What Makes CDMA Work for My Smartphone?

We study cellular network technology, the air interface between end-user devices and base stations, and an important algorithm which has been developed to manage interference between our devices as they share this medium: Distributed Power Control. ...
6 個視頻 (總計 99 分鐘), 2 個閱讀材料
6 個視頻
Distributed Power Control (DPC)9分鐘
DPC through Optimization16分鐘
DPC as a Game21分鐘
Numerical Example and Summary18分鐘
Resource Allocation18分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
2
完成時間為 1 小時

How Does Google Sell Ad Spaces?

How does Google sells the ads that appear on its search results page through auctions? We learn about different types of auction mechanisms, including those for single and multiple items. QUESTION 3: We explore PageRank, the famous algorithm that underlies how Google orders its list of search results whenever we type in a query....
5 個視頻 (總計 80 分鐘)
5 個視頻
Auction Definitions10分鐘
Second Price Single Item Auction20分鐘
Generalized Second Price (GSP) Auction and Numerical Example20分鐘
Vickrey–Clarke–Groves (VCG) Auction8分鐘
完成時間為 2 小時

How Does Google Rank Webpages?

In this lecture, we will explore PageRank, the famous algorithm that underlies how Google orders its list of search results whenever we type in a query....
5 個視頻 (總計 81 分鐘), 2 個閱讀材料
5 個視頻
Webgraphs and the H Matrix25分鐘
Handling Dangling Nodes9分鐘
The Google Matrix10分鐘
Numerical Example and PageRank in Practice12分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
3
完成時間為 2 小時

How Does Netflix Recommend Movies?

As a user of Netflix, you may have had movies recommended for you to watch. Behind the scenes, Netflix is leveraging powerful machine learning to determine which will be recommended to you specifically. In this lecture, we will study some of the fundamental algorithms that have been used for this purpose....
5 個視頻 (總計 116 分鐘)
5 個視頻
The Netflix Prize and Its Challenges23分鐘
The Baseline Predictor31分鐘
Similarity and Neighborhood Predictor16分鐘
Numerical Example and Summary21分鐘
完成時間為 2 小時

When Can I Trust an Average Rating on Amazon?

The decision of whether or not to make an online purchase is often driven by feedback that has been left by past customers, commonly in the form of star ratings. In this lecture, we will study Amazon's review system. In doing so, we will explore some of the methods for, and challenges behind, rating aggregation....
5 個視頻 (總計 72 分鐘), 2 個閱讀材料
5 個視頻
Key Factors and Assumptions10分鐘
The Wisdom of Crowds12分鐘
Bayesian Ranking18分鐘
Reverse Engineering Amazon19分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
4
完成時間為 1 小時

Why Does Wikipedia Even Work?

In this lecture, we focus on the concepts of crowdsourcing and consensus formation, which are two of the mechanisms allowing Wikipedia to be both a scalable and (reasonably) accurate encyclopedia. In particular, we will look at different voting systems, which are ways of determining consensus from a collection of individual preferences....
5 個視頻 (總計 68 分鐘)
5 個視頻
Bargaining 13分鐘
Voting16分鐘
Arrow's Axioms and Impossibility Result12分鐘
Sen's Axioms and Numerical Examples9分鐘
完成時間為 2 小時

How Do I Viralize a Youtube Video?

In this lecture, we will study models that have been developed for the popularity of products over time, motivated by the phenomenon of videos going "viral" on YouTube. Overall, the theme will be the dependence of opinions, as opposed to the wisdom of crowds discussed in the previous two lectures....
5 個視頻 (總計 75 分鐘), 2 個閱讀材料
5 個視頻
Population Based Models5分鐘
Sequential Decision Making and Information Cascade27分鐘
Correct vs Incorrect Cascades14分鐘
Tipping Models13分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
5
完成時間為 1 小時

How Do I Influence People on Facebook?

In this lecture, we continue with the theme of information spread in networks, turning to the effect of graph topology. In particular, we will discuss influence models for social networks like Facebook, and how to measure importance....
5 個視頻 (總計 85 分鐘)
5 個視頻
Measuring Node Importance13分鐘
Contagion Models23分鐘
Infection Models14分鐘
Infection with Topology and Case Study12分鐘
完成時間為 2 小時

Can I Really Reach Anyone in 6 Steps?

Six degrees of separation, or the small world phenomenon, has become one of the most widely told stories in popular science. In this lecture, we will study different models to explain both how short paths can exist in realistic networks, and how they can be discovered by people in the networks....
4 個視頻 (總計 78 分鐘), 2 個閱讀材料, 1 個測驗
4 個視頻
Structural Small Worlds19分鐘
Watts Strogatz Graph12分鐘
Algorithmic Small World26分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
1 個練習
Midterm18分鐘
6
完成時間為 1 小時

Does the Internet Have an Achilles' Heel?

At one time, there were rumors that the Internet has an Achilles' Heel, or a few center points which if attacked would completely disconnect the Internet. In this lecture, we debunk this myth, by showing that the fact the Internet is a "scale-free" network does imply it comes from a network model which would have such center points....
4 個視頻 (總計 62 分鐘)
4 個視頻
The Internet's Reality18分鐘
Graph Performance and Likelihood10分鐘
Numerical Example and Generative Models15分鐘
完成時間為 2 小時

Why Do Mobile Carriers Charge Me $10/GB?

In recent years, mobile carriers have introduced a usage-based component to their data plans, where you are charged proportionally to the amount of data you consume. In this lecture, we will look at the reasons behind the switch to usage-based pricing, in terms of fundamental economic principles....
5 個視頻 (總計 87 分鐘), 2 個閱讀材料
5 個視頻
Five Party Interactions33分鐘
Utility, Demand, and Fairness25分鐘
Three Reasons for Usage Based9分鐘
Numerical Example and Summary10分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
7
完成時間為 1 小時

How Do I Save on Each GB?

In the last lecture, we studied flat-rate and usage-based pricing schemes for mobile carriers. What these both fail to model is the time varying aspect of demand: consumption varies throughout the day, leading to peaks and troughs in usage. In this lecture, we will look at methods of Smart Data Pricing for taking this into account....
4 個視頻 (總計 67 分鐘)
4 個視頻
Time Dependent Pricing (TDP)16分鐘
Waiting Functions and Price Optimization14分鐘
Numerical Example17分鐘
完成時間為 2 小時

How Does Traffic Go Through the Internet?

It is hard to overestimate the impact that the Internet has had on society. In this lecture, we will overview the layered architecture on which the Internet was designed, and will dive into the process of determining how packets of information are transported, known as routing....
5 個視頻 (總計 102 分鐘), 2 個閱讀材料
5 個視頻
Layered Architecture19分鐘
Distributed Hierarchy and Routing28分鐘
Bellman Ford Algorithm16分鐘
Distributed Routing13分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
8
完成時間為 2 小時

Why Doesn't the Internet Collapse Under Congestion?

When the demand for capacity on the Internet exceeds the available supply on the network links, we have congestion. In this lecture, we will discuss the principles of distributed congestion control, and will detail protocols that have been designed to regulate demand for the Internet....
5 個視頻 (總計 90 分鐘)
5 個視頻
Congestion Inference12分鐘
Capacity Allocation and Optimization18分鐘
Distributed Congestion Control14分鐘
Numerical Example and Summary20分鐘
完成時間為 1 小時

How can Skype and BitTorrent be free?

The amount of content on the Internet continues to grow at a rapid pace. One of the ways that content distribution at such massive scale is made possible is through peer to peer (P2P) protocols. In this lecture, we will study P2P applications like Skype and BitTorrent. In doing so, we will see how peers in a network can share the workload of distributing content throughout a network....
4 個視頻 (總計 67 分鐘), 2 個閱讀材料
4 個視頻
Trees and Overlay Networks14分鐘
Ideas Behind BitTorrent14分鐘
Example and Summary29分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
9
完成時間為 1 小時

What's Inside the Cloud?

The Cloud is another rapidly growing Internet service, allowing users to rent storage and computation resources inside the network. In this lecture, we will see how the large data centers operated by Cloud providers can be constructed from a multitude of small switches....
5 個視頻 (總計 71 分鐘)
5 個視頻
Pros and Cons of Cloud14分鐘
Large Networks from Small Switches14分鐘
Clos Network and Non-blocking21分鐘
Comparison and Summary7分鐘
完成時間為 2 小時

Which Way to Watch Video on the Internet?

We have seen that the Internet provides a "best effort" service. In this lecture, we will look at how it supports video distribution, which often imposes stringent demands on throughput and delay....
4 個視頻 (總計 75 分鐘), 2 個閱讀材料
4 個視頻
IPTV and VoI13分鐘
Video Compression30分鐘
Application and Transport Layer for Video21分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
10
完成時間為 1 小時

Why is WiFi Faster at Home Than at Hotspot?

WiFi hotspots have become an essential feature of our wireless lifestyle. In this lecture, we will study WiFi, and focus specifically on common link layer protocols that are used to manage interference. In doing so, we will see why WiFi does not scale well beyond several devices sharing one access point....
4 個視頻 (總計 73 分鐘)
4 個視頻
Random Access and Collisions18分鐘
Carrier Sensing Multiple Access (CSMA) and Throughput23分鐘
Numerical Example and Summary12分鐘
完成時間為 1 小時

Why Am I Only Getting 3% of the Cellular Speed?

Advertised network speeds are typically only those that can be obtained at the physical layer under ideal channel conditions. In this lecture, we will study various factors that impact the actual speeds we obtain at the application layer under realistic channel conditions....
4 個視頻 (總計 59 分鐘), 2 個閱讀材料
4 個視頻
Root Causes25分鐘
Where, When, and What Application10分鐘
Air Interface Example14分鐘
Backhaul Example8分鐘
2 個閱讀材料
Homework10分鐘
Homework Solutions10分鐘
11
完成時間為 1 小時

Is It Fair that My Neighbor’s iPad Downloads Faster?

In this final lecture of the course, we will study a subject that we touched upon many times previously and forms an essential part of both social choice theory and technology network design: quantifying fairness of resource allocation....
4 個視頻 (總計 73 分鐘)
4 個視頻
Fairness Functions and Properties19分鐘
Fairness-Efficiency Tradeoff15分鐘
Numerical Examples and Summary17分鐘
完成時間為 1 小時

Course Summary

Here, we will summarize the important points of what we have learned in this course....
2 個視頻 (總計 22 分鐘), 1 個測驗
2 個視頻
Key Concepts and Closing7分鐘
1 個練習
Final20分鐘
12
完成時間為 4 小時

Guest Lectures

This contains various guest lectures from renowned members of academia and industry who are experts across the topics covered in this course....
8 個視頻 (總計 232 分鐘)
8 個視頻
The Evolution of Online Advertising: Arel Lidow28分鐘
Computing with Large Data Sets: Moses Charikar31分鐘
The Negative Aspects of ICT Penetration: Jake Shapiro22分鐘
The Puzzling Nature of Success and Failure in Cultural Markets: Matthew Salganik28分鐘
Does the Internet have an achilles' heel? Deconstructing a popular claim: Walter Willinger32分鐘
Pricing Broadband Networks: Victor Glass30分鐘
Linux CUBIC, From Idea to Actual Deployment: Sangtae Ha35分鐘
4.8
10 個審閱Chevron Right

熱門審閱

創建者 PSMar 12th 2016

It is really a exceptional course which illustrates networking problems and answers with real life examples.

創建者 MJan 31st 2016

thanks to get world class education at home, my name is Mutlu from turkey

講師

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Mung Chiang

Professor
Electrical Engineering
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Christopher Brinton

Lecturer
Electrical Engineering

關於 普林斯顿大学

Princeton University is a private research university located in Princeton, New Jersey, United States. It is one of the eight universities of the Ivy League, and one of the nine Colonial Colleges founded before the American Revolution....

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