Networked Life - 20 Questions and Answers.pdf

《Networked Life - 20 Questions and Answers.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、NetworkedLife:20QuestionsandAnswersMungChiangPrincetonUniversityApril2012DraftContentsPrefacepagevAcknowledgementsviiiRoadmapxi1WhatmakesCDMAworkformysmartphone?12HowdoesGoogleselladspaces?253HowdoesGooglerankwebpages?444HowdoesNet ixrecommendmovies?605WhencanItrustanaverageratingonAmazon?886Whydoes

2、Wikipediaevenwork?1097HowdoIviralizeaYouTubevideoandtipaGroupondeal?1278HowdoIin uencepeopleonFacebookandTwitter?1559CanIreallyreachanyonein6steps?18910DoestheInternethaveanAchilles'heel?21011WhydoAT&TandVerizonWirelesschargeme$10aGB?23012HowcanIpaylessformyInternetconnection?25113Howdoestracgetthr

3、oughtheInternet?27314Whydoesn'ttheInternetcollapseundercongestion?30615HowcanSkypeandBitTorrentbefree?331ivContents16What'sinsidethecloudofiCloud?35417IPTVandNet ix:HowcantheInternetSupportVideo?37618WhyisWiFifasterathomethanatahotspot?40119WhyamIonlygettingafew%ofadvertised4Gspeed?42720Isitfairthat

4、myneighborsiPaddownloadsfaster?446Notes467Index469PrefaceYoupickupyouriPhonewhilewaitinginlineatacoeeshop.YouGoogleanot-so-famousactorandgetlinkedtoaWikipediaentrylistinghisrecentmoviesandpopularYouTubeclips.YoucheckoutuserreviewsonIMDBandpickone,downloadthatmovieonBitTorrentorstreamthatinNet ix.Bu

5、tsuddenlytheWiFilogoonyourphoneisgoneandyou'reon4G.Videoqualitystartstodegradealittle,butyoudon'tknowifit'sthevideoservergettingcrowdedinthecloudortheInternetiscongestedsomewhere.Inanycase,itcostsyou$10pergigabyte,andyoudecidetostopwatchingthemovie,andinsteadmultitaskbetweensendingtweetsandcallingyo

6、urfriendonSkype,whilesongsstreamfromiCloudtoyourphone.You'rehappywiththecallquality,butgetalittleirritatedwhenyouseethere'renonewfollowersonTwitter.You'vegotatypicalnetworkedlife,anonlinenetworkedlife.Andyoumightwonderhowallofthesetechnologieskindof"work,andwhysometimestheydon't.Just ipthroughtheta

7、bleofcontentsofthisbook.It'samixture:someofthesequestionshavewelldenedformulationsandclearanswerwhileothersstillfaceasignicantgapbetweenthetheoreticalmodelsandactualpractice;afewdon'tevenhavewidely-