SDN (Software-Defined Networking) Enabling Network Innovation from Edge
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1 SDN (Software-Defined Networking) Enabling Network Innovation from Edge Gaogang XIE
2 Internet 20 Year in China April 20, 1994, NCFC (The National Computing and Networking Facility of China) connected to Internet with 64kbps satellite line May 21, 1994, DNS in NCFC Pop Applications Billionaires &Heroes Bid Data:Sexy R&D 2 Optical Comm. Wireless Broadband Access
3 Application Innovation 3 Source: Liang Wu (Hillhouse Captical)
4 Mobile Internet Users in China 4 Source: CNNIC
5 But Innovation in Internet Architecture CNGI since 2001 Applications From IPv6 progress in China Mobile 5
6 Deployment Barrier for Innovation Coupling of infrastructure and function Chip Hardware software Coupling of the ownership and infrastructure Full of Middleboxes = Function = Architecture Great Innovation Cost, Time, complex Deployment 6
7 Example1: Middlebox 7 CoMB, NSDI 2012 APLOMB Sigcomm 2012
8 Example 2: FI or NGI FIA in US FIRE in EU CNGI in China 8
9 How to Remove Deployment Barrier? Virtual Instance Virtual Instance Decoupling of infrastructure and function SDN Decoupling of ownership and infrastructure Virtualization 9
10 Why Innovation from Edge Edge Network Core Network Edge Network Edge Network: SDN and NFV Enabled Core Network: Hardware-based, Simple, High Performance Technique:Performance Business:Compatibility and Cost Engineering: Incremental Deployment 10
11 Moving Functions from ASIC to Software Unified APIs for Diverse Functions Abstraction for Resources Processors, Memory, Data Abstraction for Atomic Function Units Queuing, Matching, Action Performance Issues Processing a Packet in 6.72ns (100Gbps) Potential Processing on Each Byte Protocol Independent Stateful 11
12 Why Performance Issues Critical? Memory Footprint Matching Update 12
13 Reality: Example of Packet Classification 13 Memory Access> 80(SIGCOMM 2010 ) DRAM~50ns SRAM~3ns Processing a Packet in 6.72ns (100Gbps)
14 Reality: Update <10ms: <100ms: <1000ms: <10000ms: <100000ms:
15 Many-core Processor? Throughput (Mpps) Throughput (Mpps) Speedup Speedup Memory Consumption (Gbytes) Memory Consumption (Gbytes) L2 Cache Miss Rate (%) L2 Cache Miss Rate (%) NIDS Instance NIDS Instance RTC: Run-To-Complete 15
16 Many-core Processor? Throughput (Mpps) Throughput (Mpps) Speedup Speedup Memory Consumption (Gbytes) Memory Consumption (Gbytes) L2 Cache Miss Rate(%) L2 Cache Miss Rate (%) Rule Detection Thread Rule Detection Thread SPL: Software-Pipeline 16
17 How Innovation from Edge? Keep e2e Principle Static Tunnels Address Mapping Flexible Addressing Smart Control Plane [Incremental Deployment, CoNEXT 2013] Space A Space A Edge Network Core Network (IP Space) Edge Network 17
18 Innovation Methodology I Evolution Way Defined over L3 by APPs with Explicit or Implicit Formulation Examples NAT Load Balancing VPN Caching SDN/NFV Core Network (IP Space) SDN/NFV 18
19 Innovation Methodology II Revolution Way Supporting Incremental Deployment Defined New L3 Examples NDN MobilityFirst FIA Core Network (IP Space) FIA 19
20 Related Work in FNII PEARL: ProgrammablE virtual Router platform CENI: China Environment for Network Innovations Innovation and Experimentation Lookup Middlebox as Service SOFIA: Service-Oriented Future Internet Architecture 20
21 PEARL: ProgrammablE virtual Router platform VRI 1 IPv4/6 VRI 2 IPv4/6+IPS VRI 3 OpenFlow VRI n FIA (NDN,XIA,SOIFA) SDN: Decoupling Function from Infrastructure NFV: Decoupling Function Ownership from Infrastructure 21 PEARL: A Programmable Virtual Router Platform, IEEE Communication Magazine 2011 VRI: Virtual Router Instance
22 DP: Distributed Click Build Blocks Mapped into Heterogeneous Chips Packet Processing Graph (RtC) Virtual OpenFlow Instance Supported 22
23 APIs Virtual Router Instance Management API Function Elements (Assembled Packet Processing Unit User-Defined or Pre-Defined) Packet Processing Units (Receive, Operation, Action) [ Re-Routing, Re-Directing, Originate, Modify, Queue] Environment of Virtual Router Instances (OS, Virtualization) Shared Hardware Layer (Many-Core, Interface, Switch) Packet Processing System Software Hardware 23
24 Programmability of PEARL FromDevice0 out0 in0 ipv4-0 out0 in0 nids0 out0 in0 ToDevice0 24
25 CENI Virtualization with Isolability Programmability and Configurability Virtual Networks Physic Infrastructure 25
26 Management Plane: SFA 26 Serge Fdida, Gaogang Xie, Challenges in Future Internet Test Beds Cooperation EU-China, Beijing, April 18 th, 2014
27 27 Mobile Nodes in CENI
28 28 Measurement Tools and Open Traces
29 29 OpenFlow Virtual Network Instance
30 Some Experiments on CENI L2+ L3+ SOFIA, XIA WAN Optimization NFV(Middlebox as Service) Parallel DPI Flow Table Matching of OpenFlow FIB Lookup for Virtual Router IDS/IPS by SDN 80 Projects More Since June 30 FIA, Technology and Device Innovation, Internet of Things, Application Innovation
31 Experiment I: FIB Lookup GPCPU Many-Core SAIL: Sigcomm
32 32 Experiment II: Middleboxes Service
33 Experiment III: SOFIA Domain Host Service Data IP SOFIA UDP encap/decap SOFIA UDP encap/decap SOFIA Network IP Network SOFIA Network Clients IP Network Ingress Caching /com/pptv/zqdn.mp4 Web Server Egress IP Network SOFIA Network
34 SOFIA Experiments SOFIA in-network Caching and multicast SOFIA Mobile Handover < 200ms
35 Summary Deployment: Most Crucial for Network Innovation SDN/NFV Provides Flexible Way of Deployment Collaboration between Academic and Industrial world 35
36 About FNII Established on Nov. 11, 2011 Council Nanjing Govement, BUPT, ICT CAS, Tsinghua U., Jiangning District Mission Future Network Research and Innovation CENI: Future Internet Testbed 19 R&D Group, 500s Researchers Director: Prof. Liu Yunjie 36
37 Thank you!
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