integrated sdn/nfv framework for transitioning to application delivery model
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Integrated SDN/NFV Framework for Transitioning to Application Delivery Model
Mallik TatipamulaVice President, Service Provider and Cloud Solutions
May 8th, 2015
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© F5 Networks, Inc 2
Architectural Transformation: Past, Present and FutureTransitioning from a network model to application delivery model
Driven by SDN and NFV technologies
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Past: Overlay Networks
Present: Converged Transport
Telco CloudLarge Capacity Data Centers Hosting IT, Services Platforms, and Control Functions
Converged Application Services Functions
Application Control Functions
Future: Converged Application Delivery
Cloudified WAN
Wireless Wireline
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Mobile
PSTN
AD
SL
Fiber
TV TV TV
IMS Control
Common IP Transport
Mobile
PSTN
AD
SL
Fiber
Telco Cloud
WAN
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© F5 Networks, Inc 3
Challenge Today: Implementation of L4-L7 services in Connection Oriented Model
InternetVirtualized SGi Svcs Platform
App Services
VideoOptimisation
Transparent Caching
URL Filtering ParentalControls
Today’s Challenges:• Static Service Chaining – not reprogrammable• Complex to manage & automate provisioning• Lack of metadata to automate & scale
Network Services
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© F5 Networks, Inc 4
The 4 pillars of Integrated SDN and NFV
SDN+NFV
Virtualization• Virtual network functions
(VNFs/VMs)• Significant multi-tenancy• High performance• Comprehensive
hypervisor support
Abstraction• Service and network
abstraction• Configuration
templates• On demand
resourcing
Programmability• Data, control &
management planes• Open and
production-deployed APIs
• Developer-friendly RESTful APIs
• Large existing developer community & ecosystem
Orchestration• Unified multi-vendor, multi-service ecosystem
• Open and standards based multivendor integration
• Policy-driven flows and steering
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© F5 Networks, Inc 5
Integrated SDN and NFV Framework
Control Plane
Data Plane
NBI NBI
VNF Managers
NFV Orchestrator
OPEN REST APIs
SDN Controller
SDN Applications
LAYER 2-3Fabric
Applications
NVGREVXLAN
Service Chaining
Virtual & Overlay Networks
Architect
Management Plane
vSwiitch vSwiitch vSwiitch
Virtual Network Infrastructure
FWVNF
NATVNF
IDPVNF
DNSVNF
WAFVNF
LBVNF
Layer 4-7 VNFs
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© F5 Networks, Inc 6
Use case: Integrated SDN and NFV Deployment in LTE networks
NBI NBI
VNF Managers
NFV Orchestrator
OPEN REST APIs
SDN Controller
SDN Applications
GERAN
UTRAN
EUTRAN
Virtual Core
SEC GW
SGSN GGSN / PGW
SGW
GiLAN Services
Virtualized CoreBRAS / BNG
FIXED
Network Services
DNS FW LB WAFNAT
Application Services
4
2
3 1
VideoOptimization
Transparent Caching
URL Filtering ParentalControls
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© F5 Networks, Inc 7
Virtual Infrastructure Manager
NFVOrchestrat
or
VNFManager
Underlay Network
Example: VNF Service Orchestration using Integrated SDN/NFV in Application Delivery Model
Virtual Abstraction Layer (Hypervisor, Overlay)
Compute Network Storage
SDNController
Network Services
DNS FW LB WAFNAT
1SFC
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www.F5.com/ServiceProvider
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© F5 Networks, Inc 14
VNFsVNFsBIGIP-VE (VNFs)
SDN CONTROLL
ER
NFV ORCHESTRATION (NFV-O)
VNF MANAGE
R(VNF-M)
Load Balancing
Network Firewall Application Layer Firewall
Policy Enforcement
Traffic Classification
Carrier Grade NAT
Scalable DNSIPv6
Diameter Routing
Protocol Gateway
Service Chaining & Orchestration with F5 VNFs