Olee nwoke na-esoghị n'òtù Davies, Roger Scantlebury ma ọ bụ Lawrence Roberts? N'iburu ajụjụ nke mbụ n'uche, dee ihe gbara ya gburugburu bụ́ nke ga-enye azịza ya. Ọ nwere ike ịbụ 1 - 20 ahịrịokwu. Ihe ndị gbara ya gburugburu:
Malite na 1965, Donald Davies na National Physical Laboratory, UK, nọọrọ onwe ha mepụtara otu usoro izipu ozi dịka nke Baran mepụtara. Ọ kpọrọ ya packet switching, aha dị mfe karịa nke Baran, ma tụọ aro iwulite netwọkụ mba niile na UK. O kwuru okwu banyere atụmatụ ahụ na 1966, mgbe nke ahụ gasịrị, onye si na Ministry of Defence (MoD) gwara ya banyere ọrụ Baran. Otu onye so n'òtù Davies (Roger Scantlebury) zutere Lawrence Roberts na 1967 ACM Symposium on Operating System Principles ma tụọ aro ya maka iji ya na ARPANET.