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Networking Technology Transformation to SDN and NFV
The document discusses the transformation of networking technology through Software Defined Networking (SDN) and Network Functions Virtualization (NFV). It highlights the effects of the internet on various aspects of daily life and presents data projections on mobile traffic and IP growth. Additionally, it outlines the architectural shifts resulting from adoption of SDN and NFV, emphasizing benefits like automation, service agility, and reduced operational costs.
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Networking Technology Transformation to SDN and NFV
- 1. Jawdat 2012 1 NetworkingTechnology Transformation to SDN and NFV Himawan Nugroho! Compiled for PNUP Makassar and STIKOM Balikpapan!
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- 3. Jawdat 2012 3 TheInternet
- 4. Jawdat 2012 4 TheWay We Live, Work, Play and Learn “The Internet is literally changing every aspect of our lives. Its impact is no longer confined to just business. The Internet is pervasive and its impact is being felt in the way people work, live, play and learn.” John Chambers, Comdex Tradeshow 1999
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- 6. Jawdat 2012 6 By2017, mobile data traffic per month will reach 11.2 EBs 13-fold growth By 2017, there will be more than 10.3 billion total mobile-ready devices There will be more than 1.7 billion machine-to- machine By 2017, two- thirds of the world’s mobile data traffic will be video Source: Cisco Visual Networking Index 2012 World Has Finally Gone Mobile
- 7. Jawdat 2012 7 NetworkTransformation Driven by IP, Cloud, Video, Mobility and the Internet of Everything IP Traffic Global IP traffic will grow 3X to 1.4 zettabytes annually by 2017 Cloud Global cloud traffic will grow 6X by 2016 4G Mobile Adoption 4G will account for 45% of global mobile data traffic Video By 2017, the world will reach 3 trillion Internet video minutes per month M2M Trillions of new “connected events” will occur over IP networks throughout the next decade
- 8. Jawdat 2012 8 TDMEra § TDM rigidity limits new services, forces architectural shift § Voice Centric § Defined by reliability IP NGN Era § Commoditization of IP services plus high traffic growth limits profitability § Network migration to multi- service transport & a single protocol § Data Centric § Defined by convergence and scale § Move into an applications centric service environment § Take advantage of the shift from static connectivity to virtualized service creation § EPN becomes the flexible network fabric linking data centers with SP networks § Application centric § Defined as programmatic and dynamic Edge Acces s/ Agg IP Core DS0, DS1, DS3 Muxs Frame Relay X.25 SMDS PSTN QAM ISDN ATM Orchestrated with Self-service App & Network Interaction Well-known Programmatic Interfaces Autonomic, with Control & Visibility Open & Pluggable Configurable Apps Independent of Network Command Line Interface Managed Proprietary Managed Configurable Apps Independent of Network Command Line Interface Proprietary EVOLVED PROGRAMMABLE NETWORK IPv6 EVOLVED SERVICES PLATFORM APPLICATIONS
- 9. Jawdat 2012 9 Service Orchestration NFV SDN SDN– Open and Programmable at all Layers Simplify / Reduce Complexity NFV – Elastic Resource Capacity Reduce Total Costs Across all Services Service Orchestration – Customized Delivery Automation / Accelerate Time to Revenue BUSINESS AGILITY OPERATIONAL SIMPLICITY MONETIZATION¥£ €$
- 10. Jawdat 2012 10 Cisco’sOpen Network Environment Network APIs (REST) and Services Catalog Orchestration Multi-Layer Control, Service Chaining and Policy Enforcement Controllers, Collectors onePK, OpenFlow, PCEP, Netconf/YANG, BGP-LS, GMPLS nLight IP+Optical Virtualized Infrastructure Programming and Managing of Virtual Resources Physical Infrastructure Programming and Managing of Physical Resources Network Function Virtualization Part of ESP and EPN (Network, Storage, Compute) CRSASR 9000 ASR 9XX NCS2000 Virtual PEVirtualized IOS-XR VMCisco nV vGiLAN VM vFirewall VM vDPI VM vNAT VM vBNG VM vDDoS VM vSLB VM NCS4000 NCS6000 ME Series Orchestration WAE Quantum PS ESP Cloud Orchestration Nexus UCS Cisco EPN System Architecture
- 11. Jawdat 2012 11 Softwaredefined networking (SDN) is an approach to computer networking that allows network administrators to manage network services through abstraction of lower-level functionality What is SDN? (per Wikipedia definition)
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- 13. Jawdat 2012 13 Controland data plane reside within the physical device
- 14. Jawdat 2012 14 InSDN paradigm, not all processing happens inside the same device Control Plane is separated from the physical device
- 15. Jawdat 2012 15 StanfordUniversity – Clean Slate Project “…explore what kind of Internet we would design if we were to start with a clean slate and 20-30 years of hindsight.” http://cleanslate.stanford.edu/
- 16. Jawdat 2012 16 …Clean Slate led to the development of…
- 17. Jawdat 2012 17 OpenFlow Software Defined Networking APIs I2RS BGP- LS Virtual Overlays PCEP However,the important point to keep in mind that OpenFlow does not equal to SDN.
- 18. Jawdat 2012 18 OpenFlowis a communications protocol that gives access to the forwarding plane of a network switch or router over the network What is Openflow? (per Wikipedia definition)
- 19. Jawdat 2012 19 • Controller – resides on a server and provides control plane function for the network • OpenFlow Agent – resides on a network devices and fulfill requests from the Controller • Northbound APIs – enable applications to interface with the Controller • OpenFlow Protocol – the Layer 2 protocol that the Controller and Agents use to communicate
- 20. Jawdat 2012 20 Overthe years… “Traditional” network paradigm has remained mostly intact…
- 21. Jawdat 2012 21 Something happened, though,on July 23, 2012 that challenged the paradigm…
- 22. Jawdat 2012 22 $1.05Billion Cash + $210 Million in stock +
- 23. Jawdat 2012 23 “SDN”gained massive industry mindshare
- 24. Jawdat 2012 24 • Automation / Optimization • Scalable Multi-tenancy • Application Mobility • Networking Research • Monetizable Services, SLAs • Optimized WAN Infrastructure • Provisioning / Config. Mgmt Separation of Control Plane and Data Plane Only Does Not Solve All the Issues! Deep Programmability via SDN Controller & OpenFlow Switches Deep Programmability Provisionable Infrastructure Provisionable Infrastructure Deep Programmability Network Overlays Data Center: MSDC / SPDC / Cloud Research/Academia Service Provider WAN Enterprise
- 25. Jawdat 2012 25 “Aplatform for developing new control planes”“An open solution for VM mobility in the Data-Center” “An open solution for customized flow forwarding control in and between Data Centers” “A means to do traffic engineering without MPLS” “A way to scale my firewalls and load balancers” “A solution to build a very large scale layer-2 network” “A way to build my own security/encryption solution” “A way to reduce the CAPEX of my network and leverage commodity switches” “A way to optimize broadcast TV delivery by optimizing cache placement and cache selection” “A means to scale my fixed/mobile gateways and optimize their placement” “A solution to build virtual topologies with optimum multicast forwarding behavior” “A way to optimize link utilization in my network enhanced, application driven routing” “A means to get assured quality of experience for my cloud service offerings” “A way to distribute policy/intent, e.g. for DDoS prevention, in the network” “A way to configure my entire network as a whole rather than individual devices” “A solution to get a global view of the network – topology and state” “Develop solutions at software speeds: I don’t want to work with my network vendor or go through lengthy standardization.” Simplified Operations – Enhanced Agility – New Business Opportunities “A solution to automated network configuration and control” “We already have software driven network, is that what you mean by SDN?”
- 26. Jawdat 2012 26 ControlPlane Data Plane Controller Data Plane Applications Vendor- specific APIs OpenFlow, PCEP, I2RS 2a Pure SDN Vendor Specific (e.g. onePK) Controller Data Plane Applications Vendor- specific APIs OpenFlow, PCEP, I2RS Control Plane 2b Hybrid SDN Applications Virtual Switch Overlays Overlay Protocols (e.g. VXLAN) Vendor- specific APIs 3 Overlays Networks Control Plane Data Plane Overlays Vendor- specific APIs Applications 1 Programmable APIs Control Plane Data Plane Vendor Specific (e.g. onePK) Vendor Specific (e.g. onePK) CLI, SNMP, Netflow, … Applications (Network Mgmt, Monitoring, …)
- 27. Jawdat 2012 27 UniqueData Forwarding Algorithm Highly Optimized for the Network Operator’s Application ISR Pricing Route A Route B $1 $2 $3 $1 $2 $3 2 3 App 1 Route A onePK Destination Route B
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- 29. Jawdat 2012 29 ApplicationFrameworks, Management Systems, Controllers, ... Device Forwarding Control Network Services Orchestra8on Management “Protocols” onePK API & Agent Infrastructure … … I2RS PCEP Neutron* OpenFlow OpenFlow Agent OMI Chef Chef Agent Puppet BGP-‐LS onePK Opera8ng Systems – IOS / IOS-‐XE / NX-‐OS / IOS-‐XR BGP Diameter Radius … Puppet Agent OMI Agent Neutron* Agent BGP-‐LS Agent PCEP Agent I2RS Agent *a.k.a. Quantum
- 30. Jawdat 2012 30 NetworkFunctions Virtualization (NFV) is a network architecture concept that proposes using IT virtualization related technologies to virtualize entire classes of network node functions into building blocks that may be connected, or chained, to create communication services What is NFV? (per Wikipedia definition)
- 31. Jawdat 2012 31 Apps& Open Innovation SDN NFV Network infrastructure Services to run on Virtualized compute platforms Key Enabler: using cloud technology to support network functions Hypervisor and cloud computing technology x86 compute hardware Network automation / orchestration Benefits: Reduction in CAPEX and OPEX Faster service provisioning Service agility SDN is complementary, but not mandatory – APIs, Controllers
- 32. Jawdat 2012 32 NAT VM Firewall VM SBC VM dDOS VM VirusScan VM IPS VM DPI VM CGN VM Portal VM PCRF VM DNS VM DHCP VM BRAS VM SDN Ctrl. VM RaaS VM WLC VM WAAS VM CDN VM Caching VM NMS VM From Cabling to Service Chaining Simple Logistics & Common Sparing Dynamic & Elastic Scale Service provisioning from days to minutes Seamless Integration with IP NGN
- 33. Jawdat 2012 33 x86vs. Custom NPU • e.g. IPv6/v4, MPLS, VPNs, Optical • High throughput / BW • Stateless functions • Mostly predictable traffic • Many flows needing isolation, significant traffic management needed • Interface-specific functions (2-stage forwarding) Network Forwarding (L0-3) • e.g. DPI, FW, CGN, BNG, Mobility S/PGW, AAA, DNS, DDOS • Low to Med Throughput • Stateful functions • Unpredictable traffic • # of flows (traffic management) – varies • No interface-specific functions Network Services (L4+) Better fit for NPU Compute Bandwidth Better fit for x86 (Virtualization) Compute Bandwidth 33
- 34. Jawdat 2012 34 VirtualRoute Reflector Primary RR Secondary RR IPv4 IPv6 VPNv4 VPLS Wide Area Network 8 RR chassis 2 Server Chassis 1 RR per VM Primary Server Secondary Server IPv4 IPv6 VPNv4 VPLS IPv4 IPv6 VPNv4 IPv6 Better fit for x86 Compute Bandwidth Wide Area Network 34
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- 39. Jawdat 2012 39 (MANO) VirtualizedNetwork Function, actual NF application (ex. vFR, vCPE,vLB) Traditional Element Manager Virtualisation layer, Server (hypervisor), Network, Storage Physical hardware Resource Mgr, Operations Lifecycle mgmt for VFNs (upgrade, scale, termination, etc.) Orchestration of overall solution deployment templates, forwarding graph, service- related information OSS (CMDB, Montoring, Alarming, IPAM/DNS/DHCP) BSS (CRM, Billing, Order Mgmt)
- 40. Jawdat 2012 40 NFV Networkfunctions and software running on any open standards-based hardware Orchestration Automation, provisioning and interworking of physical and virtual resources Service Orchestration NFVSDN SDN Separation of control and data plane Technology & Innovation Trend
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- 43. Jawdat 2012 43 Worldwithout borders… For Skilled Workforce!
- 44. Jawdat 2012 44 “SDNand NFV are leveling the playing field, everyone including newbie now has the same chance to compete and innovate in computer networking” Himawan Nugroho
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