def evaluation(self):
totalRelibility = 0
for SFCId in sfcListSingleton.getSFCList():
SFCInstance = SFC(SFCId, sfcListSingleton.dict_maxDelay[SFCId],
sfcListSingleton.dict_minReliability[SFCId],
sfcListSingleton.dict_VNFList[SFCId],
sfcListSingleton.dict_createdtime[SFCId])
totalRelibility += SFCInstance.get_SFC_relialibility(
SFCInstance.getVNFList())
print("totalRelibility = %f" % totalRelibility)
costInstance = MigrationCostCaculation()
cost = costInstance.getCostOfMigratingVNFsOnOneSFC(
self.migrated_SFC_id, self.SFCDelayBeforMigration,
self.SFCRequestedResourceBefore, self.needMigratedVNFList,
self.destinationPhysicalNodeList)
print("cost = %f" % cost)
return 100 + totalRelibility - cost
def getDelayIncreationOfSFC(self, migrated_SFC_id, SFCDelayBeforMigration):
SFCInstance = SFC(
migrated_SFC_id, sfcListSingleton.dict_maxDelay[migrated_SFC_id],
sfcListSingleton.dict_minReliability[migrated_SFC_id],
sfcListSingleton.dict_VNFList[migrated_SFC_id],
sfcListSingleton.dict_createdtime[migrated_SFC_id])
VNFList = SFCInstance.getVNFList()
print(VNFList)
nodeidlist = []
i = 0
for vnfid in VNFList:
if vnfid == 15:
VNFinstance = VNF(
vnfid, vnfListSingelton.dict_VNFListType[vnfid],
vnfListSingelton.dict_VNFRequestCPU[vnfid],
vnfListSingelton.dict_VNFRequestMemory[vnfid],
vnfListSingelton.dict_locatedVMID[vnfid],
vnfListSingelton.dict_locatedSFCIDList[vnfid],
vnfListSingelton.dict_numbersOnSFCList[vnfid],
vnfListSingelton.dict_VNFReliability[vnfid])
vmid = VNFinstance.get_VM_id(vnfid)
VMinstance = VM(
vmid, vmListSingelton.dict_VMRequestCPU[vmid],
vmListSingelton.dict_VMRequestMemory[vmid],
vmListSingelton.dict_VMLocatedPhysicalnode[vmid],
vmListSingelton.dict_VMReliability[vmid])
nodeid = VMinstance.get_physicalNode_id(vmid)
print("before node id = %d" % nodeid)
VMinstance.setPhysicalNodeId(16)
SFCDelayAfterMigration = SFCInstance.get_SFC_delay(VNFList)
print("SFCDelayAfterMigration = %f" % SFCDelayAfterMigration)
print("SFCDelayBeforMigration = %f" % SFCDelayBeforMigration)
print(SFCDelayAfterMigration - SFCDelayBeforMigration)
return SFCDelayAfterMigration - SFCDelayBeforMigration