diff --git a/api-runtime/common-runtime/CCMCommon.go b/api-runtime/common-runtime/CCMCommon.go
index e71b78839..e650ab077 100644
--- a/api-runtime/common-runtime/CCMCommon.go
+++ b/api-runtime/common-runtime/CCMCommon.go
@@ -460,19 +460,13 @@ func ListVMSpec(connectionName string) ([]*cres.VMSpecInfo, error) {
 		return nil, err
 	}
 
-	regionName, _, err := ccm.GetRegionNameByConnectionName(connectionName)
-	if err != nil {
-		cblog.Error(err)
-		return nil, err
-	}
-
 	handler, err := cldConn.CreateVMSpecHandler()
 	if err != nil {
 		cblog.Error(err)
 		return nil, err
 	}
 
-	infoList, err := handler.ListVMSpec(regionName)
+	infoList, err := handler.ListVMSpec()
 	if err != nil {
 		cblog.Error(err)
 		return nil, err
@@ -507,18 +501,12 @@ func GetVMSpec(connectionName string, nameID string) (*cres.VMSpecInfo, error) {
 		return nil, err
 	}
 
-	regionName, _, err := ccm.GetRegionNameByConnectionName(connectionName)
-	if err != nil {
-		cblog.Error(err)
-		return nil, err
-	}
-
 	handler, err := cldConn.CreateVMSpecHandler()
 	if err != nil {
 		cblog.Error(err)
 		return nil, err
 	}
-	info, err := handler.GetVMSpec(regionName, nameID)
+	info, err := handler.GetVMSpec(nameID)
 	if err != nil {
 		cblog.Error(err)
 		return nil, err
@@ -543,19 +531,13 @@ func ListOrgVMSpec(connectionName string) (string, error) {
 		return "", err
 	}
 
-	regionName, _, err := ccm.GetRegionNameByConnectionName(connectionName)
-	if err != nil {
-		cblog.Error(err)
-		return "", err
-	}
-
 	handler, err := cldConn.CreateVMSpecHandler()
 	if err != nil {
 		cblog.Error(err)
 		return "", err
 	}
 
-	infoList, err := handler.ListOrgVMSpec(regionName)
+	infoList, err := handler.ListOrgVMSpec()
 	if err != nil {
 		cblog.Error(err)
 		return "", err
@@ -586,18 +568,12 @@ func GetOrgVMSpec(connectionName string, nameID string) (string, error) {
 		return "", err
 	}
 
-	regionName, _, err := ccm.GetRegionNameByConnectionName(connectionName)
-	if err != nil {
-		cblog.Error(err)
-		return "", err
-	}
-
 	handler, err := cldConn.CreateVMSpecHandler()
 	if err != nil {
 		cblog.Error(err)
 		return "", err
 	}
-	info, err := handler.GetOrgVMSpec(regionName, nameID)
+	info, err := handler.GetOrgVMSpec(nameID)
 	if err != nil {
 		cblog.Error(err)
 		return "", err
diff --git a/cloud-control-manager/cloud-driver/drivers/alibaba/resources/VMSpecHandler.go b/cloud-control-manager/cloud-driver/drivers/alibaba/resources/VMSpecHandler.go
index ef6a23618..501920e18 100644
--- a/cloud-control-manager/cloud-driver/drivers/alibaba/resources/VMSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/alibaba/resources/VMSpecHandler.go
@@ -79,7 +79,7 @@ func ExtractVMSpecInfo(Region string, instanceTypeInfo ecs.InstanceType) irs.VMS
 	return vmSpecInfo
 }
 
-func (vmSpecHandler *AlibabaVmSpecHandler) ListVMSpec(RegionDel string) ([]*irs.VMSpecInfo, error) {
+func (vmSpecHandler *AlibabaVmSpecHandler) ListVMSpec() ([]*irs.VMSpecInfo, error) {
 	Region := vmSpecHandler.Region.Region
 	cblogger.Infof("Start ListVMSpec(Session Region:[%s])", Region)
 	var vMSpecInfoList []*irs.VMSpecInfo
@@ -125,7 +125,7 @@ func (vmSpecHandler *AlibabaVmSpecHandler) ListVMSpec(RegionDel string) ([]*irs.
 	return vMSpecInfoList, nil
 }
 
-func (vmSpecHandler *AlibabaVmSpecHandler) GetVMSpec(RegionDel string, Name string) (irs.VMSpecInfo, error) {
+func (vmSpecHandler *AlibabaVmSpecHandler) GetVMSpec(Name string) (irs.VMSpecInfo, error) {
 	Region := vmSpecHandler.Region.Region
 	cblogger.Infof("Start GetVMSpec(Session Region:[%s], Name:[%s])", Region, Name)
 
@@ -184,7 +184,7 @@ func (vmSpecHandler *AlibabaVmSpecHandler) GetVMSpec(RegionDel string, Name stri
 }
 
 // Alibaba Cloud의 정보 그대로를 가공 없이 JSON으로 리턴 함.
-func (vmSpecHandler *AlibabaVmSpecHandler) ListOrgVMSpec(RegionDel string) (string, error) {
+func (vmSpecHandler *AlibabaVmSpecHandler) ListOrgVMSpec() (string, error) {
 	Region := vmSpecHandler.Region.Region
 	cblogger.Infof("Start ListOrgVMSpec(Session Region:[%s])", Region)
 
@@ -227,7 +227,7 @@ func (vmSpecHandler *AlibabaVmSpecHandler) ListOrgVMSpec(RegionDel string) (stri
 }
 
 // AWS의 정보 그대로를 가공 없이 JSON으로 리턴 함.
-func (vmSpecHandler *AlibabaVmSpecHandler) GetOrgVMSpec(RegionDel string, Name string) (string, error) {
+func (vmSpecHandler *AlibabaVmSpecHandler) GetOrgVMSpec(Name string) (string, error) {
 	Region := vmSpecHandler.Region.Region
 	cblogger.Infof("Start GetOrgVMSpec(Session Region:[%s], Name:[%s])", Region, Name)
 	request := ecs.CreateDescribeInstanceTypesRequest()
diff --git a/cloud-control-manager/cloud-driver/drivers/aws/resources/VMSpecHandler.go b/cloud-control-manager/cloud-driver/drivers/aws/resources/VMSpecHandler.go
index d1515aae4..cde66524f 100644
--- a/cloud-control-manager/cloud-driver/drivers/aws/resources/VMSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/aws/resources/VMSpecHandler.go
@@ -163,7 +163,7 @@ func (vmSpecHandler *AwsVmSpecHandler) ListVMSpecAZ(ZoneName string) (map[string
 	return mapVmSpecIds, nil
 }
 
-func (vmSpecHandler *AwsVmSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecInfo, error) {
+func (vmSpecHandler *AwsVmSpecHandler) ListVMSpec() ([]*irs.VMSpecInfo, error) {
 	cblogger.Infof("Start ListVMSpec(Region:[%s] / Zone:[%s])", vmSpecHandler.Region.Region, vmSpecHandler.Region.Zone)
 
 	zoneId := vmSpecHandler.Region.Zone
@@ -269,7 +269,7 @@ func (vmSpecHandler *AwsVmSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecI
 	return vMSpecInfoList, nil
 }
 
-func (vmSpecHandler *AwsVmSpecHandler) GetVMSpec(Region string, Name string) (irs.VMSpecInfo, error) {
+func (vmSpecHandler *AwsVmSpecHandler) GetVMSpec(Name string) (irs.VMSpecInfo, error) {
 	cblogger.Infof("Start GetVMSpec(Region:[%s], Name:[%s])", vmSpecHandler.Region.Region, Name)
 
 	//https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeInstanceTypes.html
@@ -330,7 +330,7 @@ func (vmSpecHandler *AwsVmSpecHandler) GetVMSpec(Region string, Name string) (ir
 }
 
 // AWS의 정보 그대로를 가공 없이 JSON으로 리턴 함.
-func (vmSpecHandler *AwsVmSpecHandler) ListOrgVMSpec(Region string) (string, error) {
+func (vmSpecHandler *AwsVmSpecHandler) ListOrgVMSpec() (string, error) {
 	cblogger.Infof("Start ListOrgVMSpec(Region:[%s])", vmSpecHandler.Region.Region)
 
 	zoneId := vmSpecHandler.Region.Zone
@@ -432,7 +432,7 @@ func (vmSpecHandler *AwsVmSpecHandler) ListOrgVMSpec(Region string) (string, err
 }
 
 // AWS의 정보 그대로를 가공 없이 JSON으로 리턴 함.
-func (vmSpecHandler *AwsVmSpecHandler) ListOrgVMSpecOld(Region string) (string, error) {
+func (vmSpecHandler *AwsVmSpecHandler) ListOrgVMSpecOld() (string, error) {
 	cblogger.Infof("Start ListOrgVMSpec(Region:[%s])", vmSpecHandler.Region.Region)
 
 	input := &ec2.DescribeInstanceTypesInput{
@@ -458,7 +458,7 @@ func (vmSpecHandler *AwsVmSpecHandler) ListOrgVMSpecOld(Region string) (string,
 }
 
 // AWS의 정보 그대로를 가공 없이 JSON으로 리턴 함.
-func (vmSpecHandler *AwsVmSpecHandler) GetOrgVMSpec(Region string, Name string) (string, error) {
+func (vmSpecHandler *AwsVmSpecHandler) GetOrgVMSpec(Name string) (string, error) {
 	cblogger.Infof("Start GetOrgVMSpec(Region:[%s], Name:[%s])", vmSpecHandler.Region.Region, Name)
 
 	input := &ec2.DescribeInstanceTypesInput{
diff --git a/cloud-control-manager/cloud-driver/drivers/azure/resources/VMSpecHandler.go b/cloud-control-manager/cloud-driver/drivers/azure/resources/VMSpecHandler.go
index 79c37f20a..735464da0 100644
--- a/cloud-control-manager/cloud-driver/drivers/azure/resources/VMSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/azure/resources/VMSpecHandler.go
@@ -36,7 +36,7 @@ func setterVmSpec(region string, vmSpec compute.VirtualMachineSize) *irs.VMSpecI
 	return vmSpecInfo
 }
 
-func (vmSpecHandler *AzureVmSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecInfo, error) {
+func (vmSpecHandler *AzureVmSpecHandler) ListVMSpec() ([]*irs.VMSpecInfo, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Region, call.VMSPEC, VMSpec, "ListVMSpec()")
 
@@ -56,7 +56,7 @@ func (vmSpecHandler *AzureVmSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpe
 	return vmSpecList, nil
 }
 
-func (vmSpecHandler *AzureVmSpecHandler) GetVMSpec(Region string, Name string) (irs.VMSpecInfo, error) {
+func (vmSpecHandler *AzureVmSpecHandler) GetVMSpec(Name string) (irs.VMSpecInfo, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Region, call.VMSPEC, Name, "GetVMSpec()")
 
@@ -82,7 +82,7 @@ func (vmSpecHandler *AzureVmSpecHandler) GetVMSpec(Region string, Name string) (
 	return irs.VMSpecInfo{}, getErr
 }
 
-func (vmSpecHandler *AzureVmSpecHandler) ListOrgVMSpec(Region string) (string, error) {
+func (vmSpecHandler *AzureVmSpecHandler) ListOrgVMSpec() (string, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Region, call.VMSPEC, VMSpec, "ListOrgVMSpec()")
 
@@ -110,7 +110,7 @@ func (vmSpecHandler *AzureVmSpecHandler) ListOrgVMSpec(Region string) (string, e
 	return jsonString, nil
 }
 
-func (vmSpecHandler *AzureVmSpecHandler) GetOrgVMSpec(Region string, Name string) (string, error) {
+func (vmSpecHandler *AzureVmSpecHandler) GetOrgVMSpec(Name string) (string, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Region, call.VMSPEC, Name, "GetOrgVMSpec()")
 
diff --git a/cloud-control-manager/cloud-driver/drivers/cloudit/resources/VMSpecHandler.go b/cloud-control-manager/cloud-driver/drivers/cloudit/resources/VMSpecHandler.go
index 39aba8d80..4796be5a1 100644
--- a/cloud-control-manager/cloud-driver/drivers/cloudit/resources/VMSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/cloudit/resources/VMSpecHandler.go
@@ -45,7 +45,7 @@ func setterVMSpec(region string, vmSpec specs.VMSpecInfo) *irs.VMSpecInfo {
 	return vmSpecInfo
 }
 
-func (vmSpecHandler *ClouditVMSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecInfo, error) {
+func (vmSpecHandler *ClouditVMSpecHandler) ListVMSpec() ([]*irs.VMSpecInfo, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Client.IdentityEndpoint, call.VMSPEC, VMSpec, "ListVMSpec()")
 
@@ -73,7 +73,7 @@ func (vmSpecHandler *ClouditVMSpecHandler) ListVMSpec(Region string) ([]*irs.VMS
 	return vmSpecList, nil
 }
 
-func (vmSpecHandler *ClouditVMSpecHandler) GetVMSpec(Region string, Name string) (irs.VMSpecInfo, error) {
+func (vmSpecHandler *ClouditVMSpecHandler) GetVMSpec(Name string) (irs.VMSpecInfo, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Client.IdentityEndpoint, call.VMSPEC, Name, "GetVMSpec()")
 
@@ -90,7 +90,7 @@ func (vmSpecHandler *ClouditVMSpecHandler) GetVMSpec(Region string, Name string)
 	return *specInfo, nil
 }
 
-func (vmSpecHandler *ClouditVMSpecHandler) ListOrgVMSpec(Region string) (string, error) {
+func (vmSpecHandler *ClouditVMSpecHandler) ListOrgVMSpec() (string, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Client.IdentityEndpoint, call.VMSPEC, VMSpec, "ListOrgVMSpec()")
 
@@ -127,7 +127,7 @@ func (vmSpecHandler *ClouditVMSpecHandler) ListOrgVMSpec(Region string) (string,
 	return jsonString, nil
 }
 
-func (vmSpecHandler *ClouditVMSpecHandler) GetOrgVMSpec(Region string, Name string) (string, error) {
+func (vmSpecHandler *ClouditVMSpecHandler) GetOrgVMSpec(Name string) (string, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Client.IdentityEndpoint, call.VMSPEC, Name, "GetOrgVMSpec()")
 
diff --git a/cloud-control-manager/cloud-driver/drivers/gcp/resources/VMSpecHandler.go b/cloud-control-manager/cloud-driver/drivers/gcp/resources/VMSpecHandler.go
index cd5a8e40a..924d8049c 100644
--- a/cloud-control-manager/cloud-driver/drivers/gcp/resources/VMSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/gcp/resources/VMSpecHandler.go
@@ -30,7 +30,7 @@ type GCPVMSpecHandler struct {
 	Credential idrv.CredentialInfo
 }
 
-func (vmSpecHandler *GCPVMSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecInfo, error) {
+func (vmSpecHandler *GCPVMSpecHandler) ListVMSpec() ([]*irs.VMSpecInfo, error) {
 
 	projectID := vmSpecHandler.Credential.ProjectID
 	zone := vmSpecHandler.Region.Zone
@@ -72,7 +72,7 @@ func (vmSpecHandler *GCPVMSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecI
 	return vmSpecInfo, nil
 }
 
-func (vmSpecHandler *GCPVMSpecHandler) GetVMSpec(Region string, Name string) (irs.VMSpecInfo, error) {
+func (vmSpecHandler *GCPVMSpecHandler) GetVMSpec(Name string) (irs.VMSpecInfo, error) {
 	// default info
 	projectID := vmSpecHandler.Credential.ProjectID
 	zone := vmSpecHandler.Region.Zone
@@ -122,7 +122,7 @@ func (vmSpecHandler *GCPVMSpecHandler) GetVMSpec(Region string, Name string) (ir
 	return vmSpecInfo, nil
 }
 
-func (vmSpecHandler *GCPVMSpecHandler) ListOrgVMSpec(Region string) (string, error) {
+func (vmSpecHandler *GCPVMSpecHandler) ListOrgVMSpec() (string, error) {
 	projectID := vmSpecHandler.Credential.ProjectID
 	zone := vmSpecHandler.Region.Zone
 
@@ -153,7 +153,7 @@ func (vmSpecHandler *GCPVMSpecHandler) ListOrgVMSpec(Region string) (string, err
 	return string(j), err
 }
 
-func (vmSpecHandler *GCPVMSpecHandler) GetOrgVMSpec(Region string, Name string) (string, error) {
+func (vmSpecHandler *GCPVMSpecHandler) GetOrgVMSpec(Name string) (string, error) {
 	projectID := vmSpecHandler.Credential.ProjectID
 	zone := vmSpecHandler.Region.Zone
 
diff --git a/cloud-control-manager/cloud-driver/drivers/ibmcloud-vpc/resources/VmSpecHandler.go b/cloud-control-manager/cloud-driver/drivers/ibmcloud-vpc/resources/VMSpecHandler.go
similarity index 93%
rename from cloud-control-manager/cloud-driver/drivers/ibmcloud-vpc/resources/VmSpecHandler.go
rename to cloud-control-manager/cloud-driver/drivers/ibmcloud-vpc/resources/VMSpecHandler.go
index 7889634b2..6ac61168e 100644
--- a/cloud-control-manager/cloud-driver/drivers/ibmcloud-vpc/resources/VmSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/ibmcloud-vpc/resources/VMSpecHandler.go
@@ -20,7 +20,7 @@ type IbmVmSpecHandler struct {
 	Ctx            context.Context
 }
 
-func (vmSpecHandler *IbmVmSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecInfo, error) {
+func (vmSpecHandler *IbmVmSpecHandler) ListVMSpec() ([]*irs.VMSpecInfo, error) {
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Region, call.VMSPEC, "VMSpec", "ListVMSpec()")
 	start := call.Start()
 
@@ -47,7 +47,7 @@ func (vmSpecHandler *IbmVmSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecI
 	LoggingInfo(hiscallInfo, start)
 	return specList, nil
 }
-func (vmSpecHandler *IbmVmSpecHandler) GetVMSpec(Region string, Name string) (irs.VMSpecInfo, error) {
+func (vmSpecHandler *IbmVmSpecHandler) GetVMSpec(Name string) (irs.VMSpecInfo, error) {
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Region, call.VMSPEC, Name, "GetVMSpec()")
 	start := call.Start()
 	if Name == "" {
@@ -75,7 +75,7 @@ func (vmSpecHandler *IbmVmSpecHandler) GetVMSpec(Region string, Name string) (ir
 	return vmSpecInfo, nil
 }
 
-func (vmSpecHandler *IbmVmSpecHandler) ListOrgVMSpec(Region string) (string, error) {
+func (vmSpecHandler *IbmVmSpecHandler) ListOrgVMSpec() (string, error) {
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Region, call.VMSPEC, "OrgVMSpec", "ListOrgVMSpec()")
 	start := call.Start()
 
@@ -109,7 +109,7 @@ func (vmSpecHandler *IbmVmSpecHandler) ListOrgVMSpec(Region string) (string, err
 	LoggingInfo(hiscallInfo, start)
 	return jsonString, nil
 }
-func (vmSpecHandler *IbmVmSpecHandler) GetOrgVMSpec(Region string, Name string) (string, error) {
+func (vmSpecHandler *IbmVmSpecHandler) GetOrgVMSpec(Name string) (string, error) {
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Region, call.VMSPEC, "OrgVMSpec", "GetOrgVMSpec()")
 	start := call.Start()
 	if Name == "" {
diff --git a/cloud-control-manager/cloud-driver/drivers/mock/resources/VMHandler.go b/cloud-control-manager/cloud-driver/drivers/mock/resources/VMHandler.go
index eac9e7387..01785418f 100644
--- a/cloud-control-manager/cloud-driver/drivers/mock/resources/VMHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/mock/resources/VMHandler.go
@@ -49,7 +49,7 @@ func (vmHandler *MockVMHandler) StartVM(vmReqInfo irs.VMReqInfo) (irs.VMInfo, er
 
 	// spec validation
 	vmSpecHandler := MockVMSpecHandler{mockName}
-	validatedSpecInfo, err := vmSpecHandler.GetVMSpec(vmHandler.Region.Region, vmReqInfo.VMSpecName)
+	validatedSpecInfo, err := vmSpecHandler.GetVMSpec(vmReqInfo.VMSpecName)
 	if err != nil {
 		cblogger.Error(err)
 		return irs.VMInfo{}, err
diff --git a/cloud-control-manager/cloud-driver/drivers/mock/resources/VMSpecHandler.go b/cloud-control-manager/cloud-driver/drivers/mock/resources/VMSpecHandler.go
index e6d8e8777..3c22cb91b 100644
--- a/cloud-control-manager/cloud-driver/drivers/mock/resources/VMSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/mock/resources/VMSpecHandler.go
@@ -48,7 +48,7 @@ func PrepareVMSpec(mockName string) {
 		vmSpecInfoMap[mockName] = prepareVMSpecInfoList
 }
 
-func (vmSpecHandler *MockVMSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecInfo, error) {
+func (vmSpecHandler *MockVMSpecHandler) ListVMSpec() ([]*irs.VMSpecInfo, error) {
 	cblogger := cblog.GetLogger("CB-SPIDER")
 	cblogger.Info("Mock Driver: called ListVMSpec()!")
 
@@ -65,11 +65,11 @@ func (vmSpecHandler *MockVMSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpec
 	return resultList, nil
 }
 
-func (vmSpecHandler *MockVMSpecHandler) GetVMSpec(Region string, Name string) (irs.VMSpecInfo, error) {
+func (vmSpecHandler *MockVMSpecHandler) GetVMSpec(Name string) (irs.VMSpecInfo, error) {
 	cblogger := cblog.GetLogger("CB-SPIDER")
 	cblogger.Info("Mock Driver: called GetVMSpec()!")
 
-	infoList, err := vmSpecHandler.ListVMSpec(Region)
+	infoList, err := vmSpecHandler.ListVMSpec()
 	if err != nil {
 		cblogger.Error(err)
 		return irs.VMSpecInfo{}, err
@@ -84,13 +84,13 @@ func (vmSpecHandler *MockVMSpecHandler) GetVMSpec(Region string, Name string) (i
 	return irs.VMSpecInfo{}, fmt.Errorf("%s VMSpec does not exist!!", Name)
 }
 
-func (vmSpecHandler *MockVMSpecHandler) ListOrgVMSpec(Region string) (string, error) { // return string: json format
+func (vmSpecHandler *MockVMSpecHandler) ListOrgVMSpec() (string, error) { // return string: json format
 	cblogger := cblog.GetLogger("CB-SPIDER")
 	cblogger.Info("Mock Driver: called ListOrgVMSpec()!")
 	return "", nil
 }
 
-func (vmSpecHandler *MockVMSpecHandler) GetOrgVMSpec(Region string, Name string) (string, error) { // return string: json format
+func (vmSpecHandler *MockVMSpecHandler) GetOrgVMSpec(Name string) (string, error) { // return string: json format
 	cblogger := cblog.GetLogger("CB-SPIDER")
 	cblogger.Info("Mock Driver: called GetOrgVMSpec()!")
 	return "", nil
diff --git a/cloud-control-manager/cloud-driver/drivers/openstack/resources/VMSpecHandler.go b/cloud-control-manager/cloud-driver/drivers/openstack/resources/VMSpecHandler.go
index b1be6b8cc..b1ed776b0 100644
--- a/cloud-control-manager/cloud-driver/drivers/openstack/resources/VMSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/openstack/resources/VMSpecHandler.go
@@ -36,7 +36,7 @@ func setterVMSpec(region string, vmSpec flavors.Flavor) *irs.VMSpecInfo {
 	return vmSpecInfo
 }
 
-func (vmSpecHandler *OpenStackVMSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecInfo, error) {
+func (vmSpecHandler *OpenStackVMSpecHandler) ListVMSpec() ([]*irs.VMSpecInfo, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Client.IdentityEndpoint, call.VMSPEC, VMSpec, "ListVMSpec()")
 
@@ -63,7 +63,7 @@ func (vmSpecHandler *OpenStackVMSpecHandler) ListVMSpec(Region string) ([]*irs.V
 	return vmSpecList, nil
 }
 
-func (vmSpecHandler *OpenStackVMSpecHandler) GetVMSpec(Region string, Name string) (irs.VMSpecInfo, error) {
+func (vmSpecHandler *OpenStackVMSpecHandler) GetVMSpec(Name string) (irs.VMSpecInfo, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Client.IdentityEndpoint, call.VMSPEC, Name, "GetVMSpec()")
 
@@ -87,7 +87,7 @@ func (vmSpecHandler *OpenStackVMSpecHandler) GetVMSpec(Region string, Name strin
 	return *vmSpecInfo, nil
 }
 
-func (vmSpecHandler *OpenStackVMSpecHandler) ListOrgVMSpec(Region string) (string, error) {
+func (vmSpecHandler *OpenStackVMSpecHandler) ListOrgVMSpec() (string, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Client.IdentityEndpoint, call.VMSPEC, VMSpec, "ListOrgVMSpec()")
 
@@ -123,7 +123,7 @@ func (vmSpecHandler *OpenStackVMSpecHandler) ListOrgVMSpec(Region string) (strin
 	return jsonString, nil
 }
 
-func (vmSpecHandler *OpenStackVMSpecHandler) GetOrgVMSpec(Region string, Name string) (string, error) {
+func (vmSpecHandler *OpenStackVMSpecHandler) GetOrgVMSpec(Name string) (string, error) {
 	// log HisCall
 	hiscallInfo := GetCallLogScheme(vmSpecHandler.Client.IdentityEndpoint, call.VMSPEC, Name, "GetOrgVMSpec()")
 
diff --git a/cloud-control-manager/cloud-driver/drivers/tencent/resources/VMSpecHandler.go b/cloud-control-manager/cloud-driver/drivers/tencent/resources/VMSpecHandler.go
index 5b452ab8c..1231fde1c 100644
--- a/cloud-control-manager/cloud-driver/drivers/tencent/resources/VMSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/drivers/tencent/resources/VMSpecHandler.go
@@ -19,7 +19,7 @@ type TencentVmSpecHandler struct {
 }
 
 //@TODO : Region : zone id(Region이 아닌 zone id로 조회해야 함.)
-func (vmSpecHandler *TencentVmSpecHandler) ListVMSpec(Region string) ([]*irs.VMSpecInfo, error) {
+func (vmSpecHandler *TencentVmSpecHandler) ListVMSpec() ([]*irs.VMSpecInfo, error) {
 	//cblogger.Infof("ListVMSpec(ZoneId:[%s])", Region)
 
 	zoneId := vmSpecHandler.Region.Zone
@@ -76,7 +76,7 @@ func (vmSpecHandler *TencentVmSpecHandler) ListVMSpec(Region string) ([]*irs.VMS
 	return vmSpecInfoList, nil
 }
 
-func (vmSpecHandler *TencentVmSpecHandler) GetVMSpec(Region string, Name string) (irs.VMSpecInfo, error) {
+func (vmSpecHandler *TencentVmSpecHandler) GetVMSpec(Name string) (irs.VMSpecInfo, error) {
 	//cblogger.Infof("Start GetVMSpec(ZoneId:[%s], Name:[%s])", Region, Name)
 	cblogger.Infof("Spec Name:[%s]", Name)
 
@@ -135,7 +135,7 @@ func (vmSpecHandler *TencentVmSpecHandler) GetVMSpec(Region string, Name string)
 	}
 }
 
-func (vmSpecHandler *TencentVmSpecHandler) ListOrgVMSpec(Region string) (string, error) {
+func (vmSpecHandler *TencentVmSpecHandler) ListOrgVMSpec() (string, error) {
 	//cblogger.Infof("ListOrgVMSpec(ZoneId:[%s])", Region)
 
 	zoneId := vmSpecHandler.Region.Zone
@@ -189,7 +189,7 @@ func (vmSpecHandler *TencentVmSpecHandler) ListOrgVMSpec(Region string) (string,
 	return jsonString, errJson
 }
 
-func (vmSpecHandler *TencentVmSpecHandler) GetOrgVMSpec(Region string, Name string) (string, error) {
+func (vmSpecHandler *TencentVmSpecHandler) GetOrgVMSpec(Name string) (string, error) {
 	cblogger.Infof("Spec Name:[%s]", Name)
 	//cblogger.Infof("Start GetOrgVMSpec(ZoneId:[%s], Name:[%s])", Region, Name)
 
diff --git a/cloud-control-manager/cloud-driver/interfaces/resources/VMSpecHandler.go b/cloud-control-manager/cloud-driver/interfaces/resources/VMSpecHandler.go
index be2fb95d8..f065b84de 100644
--- a/cloud-control-manager/cloud-driver/interfaces/resources/VMSpecHandler.go
+++ b/cloud-control-manager/cloud-driver/interfaces/resources/VMSpecHandler.go
@@ -34,10 +34,9 @@ type GpuInfo struct {
 
 type VMSpecHandler interface {
 
-	// Region: AWS=Region, GCP=Zone, Azure=Location
-	ListVMSpec(Region string) ([]*VMSpecInfo, error)
-	GetVMSpec(Region string, Name string) (VMSpecInfo, error)
+	ListVMSpec() ([]*VMSpecInfo, error)
+	GetVMSpec(Name string) (VMSpecInfo, error)
 
-	ListOrgVMSpec(Region string) (string, error)             // return string: json format
-	GetOrgVMSpec(Region string, Name string) (string, error) // return string: json format
+	ListOrgVMSpec() (string, error)             // return string: json format
+	GetOrgVMSpec(Name string) (string, error) // return string: json format
 }
diff --git a/develop.env b/develop.env
index 68087e1e3..d8f00ecf4 100644
--- a/develop.env
+++ b/develop.env
@@ -32,6 +32,8 @@ alias cdopenstack='cd $CBSPIDER_ROOT/cloud-control-manager/cloud-driver/drivers/
 alias cdcloudit='cd $CBSPIDER_ROOT/cloud-control-manager/cloud-driver/drivers/cloudit'
 alias cddocker='cd $CBSPIDER_ROOT/cloud-control-manager/cloud-driver/drivers/docker'
 alias cdmock='cd $CBSPIDER_ROOT/cloud-control-manager/cloud-driver/drivers/mock'
+alias cdtencent='cd $CBSPIDER_ROOT/cloud-control-manager/cloud-driver/drivers/tencent'
+alias cdibm='cd $CBSPIDER_ROOT/cloud-control-manager/cloud-driver/drivers/ibmcloud-vpc'
 
 # AdminWeb
 alias cdadminweb='cd $CBSPIDER_ROOT/api-runtime/rest-runtime/admin-web'