describing servicechain with tosca proposal [email protected] [email protected]...
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Describing ServiceChain With TOSCA Proposal
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2
ServiceChain Definition from Tenant View
Classifier
Classifier Policy
Service PolicyService1 ofTenant A
Service2 ofTenant A
Tenant B
VAS:Value-added Service;SLA: Service Level Agreement VAS Type9VAS Type4 VAS Type7
VAS Type6VAS Type2 VAS Type3
VAS Type8VASType1 VAS Type5
SLA1
SLA2
SLA3
Service Chain Definition: to define VAS types sequence and SLA for tenant, tenant only specify NF type for each VAS and leaving the decision of each VAS instance to OSS.
Tenant A
Tenant B
Service Chain 1
Service Chain2
Service Chain 3
3
ServiceChain Definition from OSS View
Classifier
Classifier Policy
Flows
Flow PolicyFlow1
Flow2
Flow3
VAS:Value-added Service;CP: Connect Point;SLA: Service Level Agreement NF9
CP
NF4
CP
NF7
CP
NF6
CP
NF2
CP
NF3
CP
NF8
CP
NF1
CP
NF5
CP
SLA1
SLA2
SLA3
Service Chain Definition: to define VAS Instances and CPs sequence for flow. For each flow, specify the detailed VAS instance and CP.
4
ServiceChain Model Defininition
ServiceChain
NetworkFunction
ConnectPoint
FlowPolicy
SLA Monitor QoS Monitor
n n
1
nn1
1
1 n nAssociationAssociationAssociation Association Association Association
No Model Description
1 ServiceChain
2 FlowPolicy
3 SLA
4 Monitor
No Model Description
5NetworkFunction
6 ConnectPoint
7 QoS
8 Monitor
Association
5
ServiceChain Model mapping to Tosca
ServiceChain
VAS
ConnectPoint
SLA Monitor Qos Monitor
n n
1
n n n
1
n n nAssociation
Inherit/Extend
Inherit/Extend
No Model Design Method
1 ServiceChainInherit from ServiceTemplate and extend
2 FlowPolicy New
3 SLA New
4 Monitor New
No Model Design Method
5 VASInherit from ServiceTemplate and extend
6 ConnectPoint New
7 QoS New
8 Monitor New
FlowPolicy
Association Association Association Association Association
6
ServiceChain Model——New Policy Type Definition TOSCA.Policy.Root
TOSCA.Policy.TenantFacingPolicy TOSCA.Policy.NetworkPolicy
TOSCA.Policy.IPFlowPolicy
TOSCA.Policy.TenantFacing Policy
Derived from TOSCA.Policy.Root
NoProperty Name
Property Type
description
1Tenant SLA Level
ENUMPremiumSilverBroze
2Service Type
ENUMVideoWebVoice
TOSCA.Policy. IPFlowPolicy
Derived from TOSCA.Policy.NetworkPolicy
No Property Name Property Type description
1 srcIP string Eg: 192.168.1.0/24
2 srcPortRange string Eg: 1~200
3 desIP string Eg: 192.168.1.0/24
4 desPort string Eg: 1~200
5 protocol string
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ServiceChain Model——New SLA Type Definition TOSCA.SLA.Root
TOSCA.SLA.TenantFacingSLA TOSCA.SLA.NetworkSLA
TOSCA.SLA.TenantFacingSLA
Derived from TOSCA.SLA.Root
NoProperty Name
Property Type
description
1Availability
float %
2 Delay int ms
3 Jitter int ms
4 Loss float %
5Restoration time
int ms
TOSCA.SLA.NetwrokSLA
Derived from TOSCA.Policy.NetworkPolicy
NoProperty Name
Property Type
description
1 Delay string
2 Jitter int
3 Loss string
4 Bandwidth int
CIRPIRCBRPBR
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ServiceChain Model——New CP DefinitionTOSCA.CP.Root
TOSCA.CP.Root
NoProperty Name
Property Type
description
1 ID int
2 name string
3 Type string
Eg:VLANVXLANSource_MACSFCPhysical
4 attr tagsNameValue
6 admin_status ENUM
9
ServiceChain Model——New Monitor Definition
TOSCA.Monitor.Root
TOSCA.Monitor.Root
NoProperty Name
Property Type
description
1 ID int
2 name string
5 TagsNameValue
10
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The information in this document may contain predictive statements including, without limitation, statements regarding the future financial and operating results, future product portfolio, new technology, etc. There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements. Therefore, such information is provided for reference purpose only and constitutes neither an offer nor an acceptance. Huawei may change the information at any time without notice.
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