Yparxoyn polloi tropoi na dhmioyrgh8ei sundesh metaju ypologistwn. To PLIP, opws kai to SLIP, epitrepoyn topikh sundesh metaju dyo ypologistwn, alla xrhsimopoiei thn parallhlh 8ura.
Oi parallhles 8ures metaferoyn parapanw toy enos bit taytoxrono, opote einai dynaton na epiteyx8oun megaluteres taxuthtes apo mia seiriakh sundesh.
H taxuthta poy epitygxanetai ejartatai apolyta apo to yliko (CPU kai parallhlh 8ura) kai to forto toy systhmatos, se genikes grammes mporei na einai apo 5 Kb/deyterolepto mexri kai 40 Kb/deyterolepto.
H diasundesh PLIP einai arketa grhgorh gia na epitrecei merikes ajioprepeis tcp/ip leitoyrgies, opws to NFS. Etsi, an exete enan ypologisth me ola ta programmata toy Linux kai enan me mono ena elaxisto susthma, mporeite na prosarthsete ola ta ypoloipa apo to kentriko mhxanhma.
To meionekthma einai oti oi perissoteroi xrhstes exoyn mono mia parallhlh 8ura, opote de 8a mporeite na typwsete kai na xrhsimopoihsete to PLIP taytoxrona. Akomh kai me dyo parallhles 8ures einai adunato na typwsete kai na xrhsimopoihsete to PLIP xwris na xrhsimopoihsete modules (apospwmena tmhmata) toy pyrhna.
To meionekthma ayto mporei na ejaleif8ei, an exete duo h perissoteres parallhles 8ures, xrhsimopoiwntas to patch poy 8a breite parakatw se ayto to mini-HOWTO.
Teleiwnontas, mporw na deijw enan kalo tropo gia na epiteyx8ei PLIP sundesh metaju DOS kai Linux.
Den 8a to epishmanw jana: mexri stigmhs kanenas den exei anaferei epityxh sundesh metaju Linux kai Windows95.