, ▁and ▁IP ▁networks . ▁ ▁B out aba ▁is ▁also ▁known ▁for ▁his ▁fundamental ▁contributions ▁to ▁network ▁virtual ization , ▁including ▁virtual ▁network ▁resource ▁allocation ▁and ▁management , ▁user - control led ▁light paths , ▁virtual ▁network ▁embedding , ▁surv iv able ▁virtual ▁network ▁embedding , ▁multi - domain ▁virtual ▁network ▁embedding , ▁and ▁data ▁centre ▁virtual ization . ▁ ▁His ▁research ▁also ▁includes ▁major ▁contributions ▁to ▁cloud ▁resource ▁management , ▁software - defined ▁networking , ▁network ▁function ▁virtual ization , ▁resource ▁management ▁in ▁wireless ▁and ▁mobile ▁networks . ▁His ▁in vention ▁of ▁distributed ▁pattern ▁matching ▁— ▁a ▁generic ▁framework ▁for ▁distributed ▁search ▁in ▁large - scale ▁environments ▁— ▁has ▁applications ▁in ▁many ▁areas , ▁including ▁Internet - scale ▁service ▁discovery , ▁decent ral ized ▁Web ▁hosting , ▁decent ral ized ▁social ▁networks , ▁and ▁information - cent ric ▁networking . ▁ ▁Awards ▁and ▁hon ours ▁ ▁B out aba ▁was ▁named ▁a ▁Fellow ▁of ▁the ▁Institute ▁of ▁Elect rical ▁and ▁Electron ics ▁Engine ers ▁in ▁ 2 0 1 2 ▁for ▁contributions ▁to ▁network ▁management ▁method ologies ▁and ▁applications . ▁He ▁was ▁named ▁a ▁Fellow ▁of ▁the ▁Engineering ▁Institute ▁of ▁Canada ▁in ▁ 2 0 1 3 ▁for ▁contributions ▁to ▁the ▁management ▁of ▁communication ▁networks ▁and ▁services , ▁and ▁Fellow ▁of ▁the ▁Canadian ▁Academy ▁of ▁Engineering ▁in ▁ 2 0 1 5 ▁for ▁pione ering ▁contributions ▁to ▁autom ated ▁and ▁policy - based ▁network ▁management , ▁which ▁opened ▁new ▁exc iting ▁possibilities ▁toward ▁self - man aging ▁networks ▁and ▁autonom ic