Overview of the SDN/NFV Worldwide Work Niranth (Huawei) IEEE SRPSDVE SG 29 th Oct 2014
SDN-NFV Work World-wide
• ONF – Open Flow • NIST – Cloud Computing • ETSI – NfV • IETF/IRTF – SDrN, SDNP, SDN RG • Ericsson – Service Provider SDN • OMA – Device Mgmt 2.0 • IEEE P1903 (NGSON) • SDR (Software Defined Radio) Forum • Ohio State Univ. – Software Defined Antenna • ITU-T Future Network and Cloud • ATIS NFV Forum
Software Defined Network (SDN)
March 14, 2013
Packet
Forwarding
Packet
Forwarding
Global Network View
Network Virtualization
Packet Forwarding
Packet Forwarding
Packet Forwarding
Packet Forwarding
Packet Forwarding
Packet Forwarding
Packet Forwarding
Packet Forwarding
Network OS
Abstract Network View
Control
Programs
f View( )Control
Programs
f View( )Control
Programs
Viewf
Source: ONF Forum
IETF Software Driven Networks (SDN)
Source: http://tools.ietf.org/html/draft-nadeau-sdn-framework-00
IRTF SDN RG
• Nov’12 – Research Directions
• Data Plane
– More flexibility and programmability (incorporation of custom hardware, software)
– Incorporating richer set of functions (e.g., middleboxes)
• Control Plane
– Higher-level languages for programming SDNs
– Testing and debugging SDNs
– Exploring new domains for policy specification, etc.
Source: http://irtf.org/sdnrg
OMA-DM 2.0
Application (Controller)
Virtualization (VIRMO)
Hardware+OS
Source: http://openmobilealliance.org/about-oma/work-program/device-management/
IEEE P1903 (NGSON)
Service Layer Virtualization
Application Controller
NW (Flow) Controller
Sources: https://mentor.ieee.org/1903/dcn/13/1903-13-0003-00-TUTL-p1903-ngson-webinar-slides.pdf http://grouper.ieee.org/groups/ngson/P1903_2008_0026-White_Paper.pdf
Software Defined Antenna (SDA)
• Computer program that takes as input the desired operational frequency, polarization, beam gain and pointing angle and creates a pixel pattern to yield the antenna array.
Source: http://www.syntonicscorp.com/documents/08_AMTA_PARCA_FINAL_11-10-08.pdf
ITU-T Future Networks and Cloud • Requirements
– Programmability of Network resources
– Orchestration of Network resources and apps
– Logically centralized control and separate SDN control from Network resources
– Abstraction of underlying network resources - data models
– I/F for customized behavior of network resources and control
– Management of Physical and Virtual Network Resources
Source: https://www.itu.int/rec/T-REC-Y.3300-201406-I/en
ATIS NFV Forum Inter-NFV Provider • Businesses to innovate on new
services by chaining virtualized functions from another physical network operators
• The “home” service provider instantiates virtualized network functions in the “visited” service provider’s tenant domain thus ensuring service availability and continuity in roaming scenarios for any kind of services.
Virtualized Network Operator
Service Roaming
Source: https://access.atis.org/apps/group_public/documents.php?view=all-documents
Security, Reliability and Performance
Aspects UE Access Edge/Transport Carrier IT App/Service Layer
Domains/SD Handset, STB
Antenna (SDA)
Radio (SDR) Networking (SDN) SD-Carrier Cloud NGSON
Applications/Business Case • Security considerations
•Vertical and Horizontal Intersections
•In multi-provider scenarios
• Reliability considerations •Metrics for Virtualized functions
•Metrics for Service Compositions delivered in a
multi-provider environment
• Performance considerations •Influence on KPIs for Network services in SDN-NFV
env.
•KPIs for Service Compositions
Cross Layer Cntl
Interoperability (North & South bound Interfaces)
Function Specific Apps
Controller
Functions Virtualization
Programmable Functions
OS
H/W Virtualization
Hardware