Duba zuwa ga sashi a kasa, sa'an nan kuma amsa tambaya daga baya a cikin wannan harshe kamar yadda sashi: Passage: A zane na cibiyar sadarwa hada da amincewa da cewa ya kamata samar da kawai ayyuka na yadda ya kamata watsa da kuma routing zirga-zirga tsakanin karshen nodes da kuma cewa duk sauran hankali ya kamata a located a gefen na cibiyar sadarwa, a karshen nodes. Wannan zane da aka sani da karshen-to-karshen manufa. Amfani da wannan zane, ya zama zai yiwu a haɗa kusan duk wani cibiyar sadarwa zuwa ARPANET, ba tare da la'akari da na gida halaye, ta haka ne warware Kahn ta farko internetworking matsala.
hat TCP / IP, da m samfurin Cerf da Kahn ta aiki, za a iya gudu a kan "biyu tin tin da kuma kirtani