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1、Lesson1InternetofThingsIncomputing,theInternetofThingsreferstoanetworkofobjects,suchashouseholdappliances.Itisoftenaself-configuringwirelessnetwork.TheconceptoftheinternetofthingsisattributedtotheoriginalAuto-IDCenter,foundedin1999andbasedatthetimeinMIT[1].Theideaisassimpleasitsapplicationisd
2、ifficult.Ifallcans,books,shoesorpartsofcarsareequippedwithminusculeidentifyingdevices,dailylifeonourplanetwillundergoatransformation.Thingslikerunningoutofstockorwastedproductswillnolongerexistaswewillknowexactlywhatisbeingconsumedontheothersideoftheglobe.Theftwillbeathingofthepastaswewillkno
3、wwhereaproductisatalltimes.Thesameappliestoparcelslostinthepost.Ifallobjectsofdailylife,fromyogurttoanairplane,areequippedwithradiotags,theycanbeidentifiedandmanagedbycomputersinthesamewayhumanscan.[2]ThenextgenerationofInternetapplications(IPv6protocol)wouldbeabletoidentifymoreobjectsthanIPv
4、4,whichiscurrentlyinuse.Thissystemwouldthereforebeabletoinstantaneouslyidentifyanykindofobject.[3]TheInternetofobjectsshouldencode50to100,000billionobjectsandfollowthemovementofthoseobjects.Everyhumanbeingissurroundedby1,000to5,000objects.[4]Alcatel-Lucenttouchatag[5]serviceandViolet'sMirrorg
5、adgetprovideapragmaticconsumerorientedapproachtotheInternetofThingsbywhichanyonecaneasilylinkrealworlditemstotheonlineworldusingRFIDtags(andQRCodesincaseoftouchatag).UniversaladdressabilityofdumbthingsAnalternativeview,fromtheworldoftheSemanticWeb[6]focusesinsteadonmakingall"things"(notjustth
6、oseelectronic,smart,orRFID-enabled)addressablebytheexistingnamingprotocols,suchasURI.Theobjectsthemselvesdonotconverse,buttheymaynowbereferredtobyotheragents,suchaspowerfulcentralisedserversactingfortheirhumanowners.Obviouslythesetwoapproachesconvergeasmoreobjectsbecomeprogressivelyaddressabl
7、eandmoreintelligent.Thisisunlikelytohappeninanysituationshortofspime,andthetwoviewshavesignificantlydifferentimplicationsintheinterim.Inparticular,theuniversaladdressabilityapproachrapidlyincludesthingsthatcannothavecommunicationbehaviorsofth
