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Towards a Carrier Grade ONAP PlatformFCAPS Architectural Evolution
Key Contributors: Ramki Krishnan, Sumit Verdi, Xinhui Li, Danny Lin, Bin Hu, Gil Hellmann, Bin Yang, Shankar Narayanan, Sastry Isukapalli, Rajesh Gadiyar, Vimal Begwani
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Agenda
➢ Operational Intelligence for Dynamic Orchestration
➢ MC FCAPS Architecture – Common Data Model & Data Distribution
➢ MC Impact - VoLTE, vCPE VNF Placement (Homing) Use Case
➢ MC<->OF Interaction for VNF Placement (Homing)
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Analytics Functions
Collection
Operational Intelligence for Dynamic Orchestration
Application and Infrastructure correlated context is key…
Adaptive on-demand service blue-printing and workflows
Dynamic policies using utilization intelligence, Policies using batched data
Cloud-aware workload placement using capability and resource utilization
VES
NFVI
DCAE
Dat
a D
istr
ibu
tio
n F
un
ctio
n
Multi-Cloud FCAPS
Aggregation
VNF
Normalization
Correlation
Outliers
Aggregation
Learning
Policy
SDC
Opt. Framework
…Common Data Model
Planning & Forecast
Service
Access
Virtual
Physical
Transport
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MC FCAPS Architecture
• Standardized Common Data Model across Cloud Providers -Various cloud providers have disparate data structures, representations, middle-wares and more for infrastructure telemetry collection and management
• Composite NFVI Intelligence at atomic, aggregate and infrastructure capability granularities to enable cloud-aware decisioning by OF, DCAE, SO
• Enable Continuous Service Deployment with run-time resource reservations and utilization telemetry
• FCAPS Data Distribution to enable simplified and scalable many-many communications using DMaaP pub-sub
DMaaP
Replication
Active Sync
DCAE Opt. Frwk. A&AI
Ho
lmes
CD
AP
VES Collector
MSB Endpoints
MultiCloud
Infra Class - MC instance, Clusters within MC
instance etc.
Real-time Faults Metrics per Host, VM,
Network etc.
Capability, Capacity, Topology per cluster
SDN-C SDC Policy
.….OpenStack AzureVMware Wind River Kubernetes
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FCAPS Common Data Model, Distribution & Integration
*Joint collaboration between VMware, Intel, AT&T, China Mobile, WindRiver
Host
Host OS
Hypervisor
Virtual Machine
Guest OS
Switching
Data Store
Resource Pool/Provider
Data Center
Capacity
Alert
Recommendation
VES Collector
NFVI Collector
DMaaP
DCAE
OF
Policy
SDN-DC
OpenStack
Azure
VMware
Wind River
Google Cloud
Mirantis
Met
rics
& In
fras
tru
ctu
re C
lass
*
EPA
Resource Reservations
Resource Utilization
Telemetry
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Infrastructure Class Example
• Hardware encryption
• Hardware transcoding
• NUMA nodes available
• Storage class
• CPU, Memory, NIC class
• WAN interconnects and protocols
Cloud Agnostic Data Model
Capability
Resource Utilization
Resource Reservation • Number of tenants
• MC instances per data center
• Maximum number of VM’s
• Total number of clusters
• Total number of hosts
• Total number of CPU, MEM
• Total number of data stores
• Number of hosts currently active
• Number of running VMs
• Total number of vCPU’s powered
• VM density per host
• Available bandwidth per host
• NUMA utilization
Cloud Provider | Multi-Tenancy | Multi-Device Access | U/P Disaggregation | Business Model | Cost
Cluster Topology
• Network Fabric type- CLOS etc., 2 level, 3 level
• Interconnect BW- Max, Min
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VoLTE: Distributed DC VNF Placement (Homing) Use CaseWorkflow: Continuous Deployment - Day 1 & Beyond
Current ONAP Challenge: Static MC instance selection for workload placement leading to higher cost due to
under-utilization or poor application QoE due to over-subscription of infrastructure
Value Proposition: OF to deliver the best VNF placement solution in terms of Cost, Security and Application QoE
by dynamically determining the appropriate multi-cloud instances leveraging aggregate infra data from MC
Multi-Cloud Instance 1
Enterprise
Multi-Cloud Instance 1
Multi-Cloud Instance 2
Multi-Cloud Instance 1
Multi-Cloud Instance 3
[u] – User Plane[c] – Control Plane[i] – Data Ingestion[p] – Data processing
Cloud Interconnect IPSEC VPN etc.
Edge Site 1
Edge Site 2
Edge Site 3
Core Site 1
Public Cloud DC, e.g. Azure
EPC [u] IMS [u]
EPC [u] IMS [u]
EPC [c] IMS [c]
EPC [c, u] IMS [c, u]
FCAPS, VNF [i]
FCAPS, VNF [i]
FCAPS , VNF [i, p]
FCAPS, VNF [p]
Historical Analytics
Web Conf.
Voice Translate
ONAP OF
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Residential vCPE: Distributed DC Placement (Homing) Use CaseWorkflow: Continuous Deployment - Day 1 & Beyond
Physical resources at Customer Premise (BRG)
Resources in Cloud (vG)
Infrastructure resource
Per-customer resource
vG MUX
BRG
vGBRG
vBNG
vG
BRG – Broadband Residential Gateway
BNG – Broadband Network Gateway
vG – Virtual Gateway
vG Mux – Virtual Gateway Multiplexer
Logical subscriber link
ONAP OF targeted for R2 to address R1 use cases (VoLTE, CPE) and upcoming use cases (5G etc.)
ONAP OF
TunnelXConn AllottedResource:
Requirement:TunnelXConnCapability
vG VNF Resource:vG (VFC)
Policy: Latency, Capacity check• {Customer_Location, TunnelXConn} < X ms• Allotted resource has capacity for new order
Policy: Co-location{TunnelXConn, vG} in same Cloud
Policy: Capacity check• Cloud has capacity for new vG
Home
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MC <-> OF InteractionKey Contributors: Shankar Narayanan, Sastry Isukapalli, Ramki Krishnan
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DMaaP Replication
Policy Driven Homing
Optimized Homing recommendations
A&AI Available
Cloud/service instances
Decomposed Service components (Demands)
Cluster Capabilities, Capacity, Topology
Infra Class - Resource Utilization/Reservation
Multi Cloud (MC)
Homing ConstraintsDistance
Regulatory
Latency
Security
Proximity/Colocation(virtual & physical)
Diversity (Disaster Zones)
Bandwidth
Cost (Provider)
Latency (Customer)
Distance (Customer)
Load balancing (Provider)
Cluster HW Capabilities(SRIOV, Hardware
encryption, Transcoding, NUMA boundaries)
Site Reliability
Cluster SW Capabilities (Availability zones,
Affinity/Anti-Affinity)Aggregate Utilization (Tenant, Hosts etc.)
Aggregate Capacity (Tenant, Hosts etc.)
Capacity check
Quota
Service Requirements
Runtime Metrics
Optimization Objectives
Runtime Queries
Cloud Capabilities
HOMING (OF-HAS)
Constraint Model plugins
Cloud Agnostic Std. Data Model from MC, Other plugins
from SO to SO
from Policy
Constraint Categories
Algorithm plugins
DCAE
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OF Model-Driven Approach
Data Sources
SDN-C
PolicyEngine
AAI
DCAE
Translators
Interfaces
Model Specification
DataSpecification
SolutionEnvironmentApplication-
Specific API
OptimizationResults
Goal: provide a platform that facilitates model-driven optimization
• Model-driven (Declarative)• Library of building blocks
(as SDC models, policy models, etc.)• Reuse models from OF-contrib library
• Recipes for model composition• Adapt at operation time (no new code)
(new constraints, objectives, runtime flags)
• Op-ex benefits – reducing software dev costs• Rapid analyses – what-if scenarios via config
• Platform can seamlessly provide new functionality/advances to application
Multi Cloud
Constraint Model
Repository
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ONAP-OF Based on Standardized Constraint Modeling
Global Constraint Catalog
Chuffed
Data(dzn format)
Flat Zinc
MiniZinc Model
MinizincStandard LibraryAvailable
Technology
AvailableExtensions
StochasticMinizinc
Contributed Models
MiningZinc MiniBrass
Constraint-Based Mining
Soft ConstraintsUncertainty Considerations
ONAP-OFContributions
OperationalEnvironment
DataInterfaces
Model/ConstraintTranslators
BuildingBlocks
Recipes andKnowledge Base
LibMzn(Embeddable
Library)
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BACKUP
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Example Problem: Budget-Constrained Max Flow
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Example Problem: Budget-Constrained Max Flow
Data Template
Model
Constraints from model designer
Constraints from developeror from service provider/vendor
(can be from SDC or Policy Engine)
Macros from OSDF
Templating Support from OSDF
Data from A&AI, SDN, DCAE or Multi-Cloud