bury ▁and ▁Bar ber ▁were ▁members ▁of ▁the ▁International ▁Network ing ▁Working ▁Group ▁( IN W G ) ▁which ▁developed ▁a ▁protocol ▁for ▁intern etwork ing . ▁Connect ing ▁existing ▁networks ▁creates ▁a ▁" basic ▁d ile m ma " ▁since ▁a ▁common ▁host ▁protocol ▁would ▁require ▁rest ruct uring ▁the ▁existing ▁networks . ▁N PL ▁connected ▁with ▁the ▁European ▁In format ics ▁Network ▁( Bar ber ▁directed ▁the ▁project ▁and ▁Sc ant le bury ▁led ▁the ▁UK ▁technical ▁contribution ) ▁by ▁transl ating ▁between ▁two ▁different ▁host ▁protocol s ; ▁that ▁is , ▁using ▁a ▁gateway . ▁Con current ly , ▁the ▁N PL ▁connection ▁to ▁the ▁Post ▁Office ▁Ex perimental ▁Pack et ▁Switch ed ▁Service ▁used ▁a ▁common ▁host ▁protocol ▁in ▁both ▁networks . ▁N PL ▁research ▁confirmed ▁establish ing ▁a ▁common ▁host ▁protocol ▁would ▁be ▁more ▁reliable ▁and ▁efficient . ▁The ▁E IN ▁protocol ▁helped ▁to ▁launch ▁the ▁proposed ▁IN W G ▁standard . ▁ ▁N PL ▁spons ors ▁a ▁gallery ▁about ▁" Te chn ology ▁of ▁the ▁Internet " ▁at ▁The ▁National ▁Museum ▁of ▁Comput ing . ▁ ▁Direct ors ▁of ▁N PL ▁ ▁Direct ors ▁of ▁N PL ▁include ▁a ▁number ▁of ▁notable ▁individuals . ▁ ▁Sir ▁Richard ▁T et ley ▁Gla z eb ro ok , ▁ 1 9 0 0 – 1 9 1 9 ▁ ▁Sir ▁Joseph ▁Ernest ▁Pet avel , ▁ 1 9 1 9 – 1 9 3 6 ▁ ▁Sir ▁Frank ▁Edward ▁Smith , ▁ 1 9 3 6 – 1 9