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1、CopyrightbyMarcoSchneider1997FlowRoutinginComputerNetworksbyMarcoSchneider,A.B.,M.S.DissertationPresentedtotheFacultyoftheGraduateSchoolofTheUniversityofTexasatAustininPartialFul llmentoftheRequirementsfortheDegreeofDoctorofPhilosophyTheUniversityofTexasatAustinDe
2、cember1997FlowRoutinginComputerNetworksApprovedbyDissertationCommittee:AcknowledgmentsAsIsithereinmyoceattheendofabeautifulThanksgivingweekend,thinkingofallIhavetobegratefulfor,Iamremindedofthelegendofthe rstThanks-giving.ThePilgrimsarrivedatPlymouthRockonDecembe
3、r11,1620unpreparedforwhattheywereabouttoencounter.Their rstwinterinthenewworldwasdevastating.Outoftheoriginal102whosailedontheMay
ower,46werelostduetoacombinationofstarvation,malnutrition,diseaseandexposuretotheelements.WithouttheeventualhelpoftheWampanoagIndians,
4、allwouldhaveperished.ThePilgrimsdidnotpossessthenecessaryskillstosurviveintheirstrangenewworld.SquantobroughtthePilgrimsdeermeatandbeaverskinssothattheyhadfoodandclothing.MoreimportantlyhetaughtthePilgrimshowtocultivatecornandotherplants,howtobuildshelterstosurviv
5、ethecoldwinters,andcountlessotherskillstomakeuseoftheabundantresourcesintheirmidst.Thingsimprovedandthefollowingfalltherewasabountifulharvest.Withadequateshelterandenoughfoodtolastthewinter,thecolonistsdecidedtocelebratewithafeastandtheyinvitedtheWampanoagIndiansw
6、hohadhelpedthemtosurvivetheir rstyear.Thefeastlastedthreedaysandtheturnoutwassomuchlargerthanexpected(91Wampanoagshowedup)thattheirguestsendedupsupplyingthemajorityoffood.OntheweekendofJuly30th,1988,I
ewfromBoston,MassachusettstovisitAustin,Texasforthe rsttime.Bei
7、ngfromFlushing,NewYorkandhavingspentallofmylifeinthenortheast,Austinwastrulyastrangenewworldforme,ivbutIkindoflikedit,andsowithindaysofmyreturnIgavemytwoweeksnoticeandbeganpreparationstomovehere.OnAugust19thof1988,afteraroadtripof2000miles,IsailedintoAustin,drivin
8、gmyRed1978ChevyMalibustu edwithallofmypossessions,unpreparedforwhatIwasabouttoencounter,andwithoutaclueofwhatlayahead.Muchhashappenedintheinterimandthro
