Root Cause and Impact Analysis

This section provides information on root cause and impact analysis for various events.

Class	Root-Cause	Events (symptoms of root-cause)	Impacted system	Impacted system attribute
VirtualMachine	Down	ServiceAffected	VIMSApplicationService	IsServiceAffected
		VNFDown/ServiceAffected	CallSessionControlFunction	IsDown & IsVMDown / IsServiceAffected
		VNFDown/ServiceAffected	XMLDocumentManagementServer	IsDown & IsVMDown / IsServiceAffected
		VNFDown/ServiceAffected	HSSMirrorFunction	IsDown & IsVMDown / IsServiceAffected
VirtualMachine	PoweredOff	ServiceAffected	VIMSApplicationService	IsServiceAffected
		VNFDown/ServiceAffected	CallSessionControlFunction	IsDown & IsVMDown / IsServiceAffected
		VNFDown/ServiceAffected	XMLDocumentManagementServer	IsDown & IsVMDown / IsServiceAffected
		VNFDown/ServiceAffected	HSSMirrorFunction	IsDown & IsVMDown / IsServiceAffected
Hypervisor	Down	ServiceAffected	VIMSApplicationService	IsServiceAffected
		VNFDown/ServiceAffected	CallSessionControlFunction	IsDown & IsVMDown / IsServiceAffected
		VNFDown/ServiceAffected	XMLDocumentManagementServer	IsDown & IsVMDown / IsServiceAffected
		VNFDown/ServiceAffected	HSSMirrorFunction	IsDown & IsVMDown / IsServiceAffected
		ReducedRedundancy/ AllComponentsDown/ AtRisk	VIMSApplicationServices Group	IsAllComponentsDown IsAnyComponentDown IsEveryComponentDown
		ReducedRedundancy/ AllComponentsDown/ AtRisk	CallSessionControlFunctionGroup	IsAllComponentsDown IsAnyComponentDown IsEveryComponentDown
		ReducedRedundancy/ AllComponentsDown/ AtRisk	HSSMirrorFunctionGroup	IsAllComponentsDown IsAnyComponentDown IsEveryComponentDown
		ReducedRedundancy/ AllComponentsDown/ AtRisk	XMLDocumentManagementServerGroup	IsAllComponentsDown IsAnyComponentDown IsEveryComponentDown
Hypervisor Hosted by Host	Down	ServiceAffected	VIMSApplicationService	IsServiceAffected
		VNFDown/ServiceAffected	CallSessionControlFunction	IsDown & IsVMDown / IsServiceAffected
		VNFDown/ServiceAffected	XMLDocumentManagementServer	IsDown & IsVMDown / IsServiceAffected
		VNFDown/ServiceAffected	HSSMirrorFunction	IsDown & IsVMDown / IsServiceAffected
		ReducedRedundancy/ AllComponentsDown/ AtRisk	VIMSApplicationServices Group	IsAllComponentsDown IsAnyComponentDown IsEveryComponentDown
		ReducedRedundancy/ AllComponentsDown/ AtRisk	CallSessionControlFunctionGroup	IsAllComponentsDown IsAnyComponentDown IsEveryComponentDown
		ReducedRedundancy/ AllComponentsDown/ AtRisk	HSSMirrorFunctionGroup	IsAllComponentsDown IsAnyComponentDown IsEveryComponentDown
		ReducedRedundancy/ AllComponentsDown/ AtRisk	XMLDocumentManagementServerGroup	IsAllComponentsDown IsAnyComponentDown IsEveryComponentDown

Host Down - Host Down impacting VNF Functions

Hypervisor Down - Hypervisor Down impacting VNF Functions

VM Down - VM Down impacting VNF Functions