EntityQ3393411· pop 7· linked from 32 articlesmessage switchingSign in to saveConnectionsemailEntityInternational Standard Book NumberEntitytelecommunicationsEntityMassachusetts Institute of TechnologyEntitydigital object identifierEntityrouterEntitySMSEntityQ177524EntityWestern UnionEntitypacket switchingEntityteleprinterEntityQ22908627EntityPaul BaranEntitytelegramEntitytelecommunications networkEntityLeonard KleinrockEntitycircuit switchingEntityUUCPEntityLawrence RobertsEntityleased lineEntityCategoriesComputer networking