host service communication

host service dialogue

host service function

host service port

host service protocol

host service station

host service station transfer protocol

HCS Host Command Service

HOPS HOst Proximity Service

HSS Host Support Service

host command service

host-host layer

host-host layer (in DPA architecture)

Self-service service terminal

single-plane (through-plane service) service

HHC Host – to – Host Connection

Host exchange， Host

host to host

host to host traffic