 uw campu network descript campu network descript 2002-01-19 thi document describ composit campu network underli transmiss system file localhost d itu web 20mine project uw-can-data webdata campus-network netdescr html addr assign internet name number file localhost d itu web 20mine project uw-can-data webdata campus-network netdescr html term terminolog file localhost d itu web 20mine project uw-can-data webdata campus-network netdescr html lref local-of-refer network architectur file localhost d itu web 20mine project uw-can-data webdata campus-network netdescr html l2 transmiss file localhost d itu web 20mine project uw-can-data webdata campus-network netdescr html l3 network layer file localhost d itu web 20mine project uw-can-data webdata campus-network netdescr html wkgp client-server workgroup comput system assign internet name number network number 129 97 0 0 subnet mask 255 255 255 0 domain uwaterloo autonom system number 12093 snmp privat-enterpris number 1 3 6 1 4 1 198 terminolog an internet gener term interconnect multipl ip network uw's network internet each uw's interconnect transmiss system constitut subnet uw's ip network 129 97 the interconnect subnet form internet intern uw an intranet internet intern singl organ therefor uw's internet intranet an extranet internet interconnect intranet specif set organ an organ's network extranet uw's network extranet form organ member http onet onet network corpor the internet global interconnect intranet extranet exist municip region provinci nation intern level local-of-refer network architectur the corridor wire-closet workgroup ethernet switch comput connect form local workgroup organiz unit in perfectli-architect comput environ local workgroup organiz unit's server machin client machin depend server thi local refer principl some client server configur capabl excess volum traffic common exampl collect diskless workstat filesystem server collect x station comput system process occur traffic-intens client server configur connect workgroup switch traffic remain local switch level-on network the level-on campu backbon network thing essenti institut-wide network resourc switch router connect level-two network devic connect onet network rest worldwid internet comput system dedic primari server exampl domain name system campu authent uwdir corpor directori primari new server new uwaterloo termin server enabl access campu dial-up modem pool level-two network to achiev local refer surviv level-two network lower-level network surviv function standalon network outag level-on rout devic connect level-two network server essenti oper comput system level-two network connect lower-level network network servic provid level-two network includ cach domain name system server file-system server backup server x station person comput mail server client comput run user-agent mail softwar mx handl comput oper continu basi function deem appropri ist administr entiti respons organiz unit servic level-two network lower-level network in evolut campu network object minim number lower-level network request creation network accept special-technolog condit accomod transmiss-layer switch network-layer rout applic comput system network transmiss system a transmiss system physic construct it bottom layer adjac simplifi four-layer model it compris local cabl-system medium nearbi devic connect protocol transmit data devic medium commun local transmiss system devic connect requir network-layer protocol a network virtual construct it consist address scheme independ multipl local transmiss system oper protocol transmit packet devic transmiss system network-layer address transmiss-layer address the transmiss-system layer applic comput system network transmiss system uw's data-transmiss protocol ethernet 10mbp place 100mbp fast ethernet need todai 1000mbp gigabit ethernet need year 10gbp fast gigabit ethernet 10gbe grow uw's cabl-system media fibr backbon link build unshield twist-pair categori-5 5e utp copper wire link workstat server interconnect multi-port repeat obsolet transmit port switch current transmit specif port destin devic connect there cabl-system interconnect-devic technolog corner network exist purpos conduct technolog exist histor reason sens time fund replac exist the backbon fibr topolog consist eleven multi-pair fibr bundl link backbon wire centr the bundl mc-bmh bmh-gsc instal earli 1990s multipl pair multi-mode fibr singl-mode fibr specif deadlin constraint all core bundl instal multi-mode singl-mode pair the singl-mode fibr held reserv futur veri-high-speed transmiss system requir gigabit 10gb ethernet longer link the http ist uwaterloo cn diagram uwngtop gif backbon switch topolog core ten enterpris-class ethernet switch cisco catalyst 5500 famili the workgroup-class switch cisco catalyst 1900 2900 3500 famili the primari workgroup switch acquir c3548 48 10 100mbp utp port slot gbp fibr modul the c1900s lowest-cost switch 24 10mbp utp port 1 10mbp aui port 2 100mbp fast ethernet port 2 utp utp fibr the network layer applic comput system network transmiss system uw's network protocol ip internet protocol a devic map ip network-layer virtual address ethernet tranmiss-layer physic address transmis system devic connect knowledg physic address local transmiss system therefor transmiss-system segment network interconnect rout devic determin transmiss system send packet base ip address destin each devic transmiss system physic address devic perform ip rout path devic local transmiss system in uw's multi-level http ist uwaterloo cn diagram subnet gif ip subnet topolog level-two network subnet rout function provid rout modul backbon ethernet switch some second-level subnet lower-level subnet rout function provid dual-connect comput system level-two subnet lower-level subnet obsolet unswitch transmiss system that practic expect gradual ceas time organiz unit respons lower-level subnet encount upgrad integr ethernet switch ip rout the primari core node cisco catalyst 5500 devic each includ ethernet switch rout-processor modul the rout-processor modul interoper provid load-balanc rout automat backup case outag each link c5500s 100mbp full-duplex 100mbp direct oper concurr load balanc featur ethernet switch allow long multipl link switch the core node cisco catalyst 5505s 5509s includ ethernet switch form ip-rout integr watch between-subnet traffic port rout-processor c5500 devic port destin port subnet switch engin learn switch subsequ local traffic subnet local each link switch c5500s 100mbp full-duplex client-server workgroup some client-server workgroup network-distribut comput system non-ip protocol provis servic server client histor special-purpos protocol user-authent print-server file-server facil uw's stateg direct campu-network integr pursu provis servic framework ip-standard environ uw's http polari uwaterloo waterloo polari complet transit fulli-ip network layer origin watstar network-distribut comput system microsoft's window oper system non-ip protocol network neighbourhood pass ip subnet campu network appl's appletalk ip rout devic level-on network capabl rout appletalk phase ii protocol howev long-term commit continu rout appletalk enterpris-wide network protocol novel's netwar protocol support http ist uwaterloo rwwatt roger watt ist 