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переключение протоколов stresses
comp., net.	switching protocols (Alex_Odeychuk)
el.	protocol switching
IT	protocol switching (переключение, напр., сетевого или подразделенческого принтера с протокола на протокол ssn)
переключение протокола
comp., MS	protocol rollover (A procedure that enables switching from one protocol to another when a Windows Media server fails to make a connection using a particular protocol)

переключение протоколов: 5 phrases in 3 subjects

Information technology	2
Mass media	2
Telecommunications	1