china science & technology cloud testbed · outline. 1. cstcloud-testbed design. 2. experiments...
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China Science & Technology Cloud Testbed
Yongmao Ren, Jun Li, Lingling LiCSTNET, CNIC
Feb. 20, 2019
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Outline
CSTCloud-Testbed Design1
Experiments & Applications2
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CSTNETCSTCloud• Provide advanced information technology test environment,
serve advanced technology innovation experiment.• Carry out new technology test and application, enhance the
service quality of “CSTCloud”.
多终端融合通信
信息资源池
软件资源池CSTCloud
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CSTNETCSTCloud
Update the network infrastructure, transfrom from network to cloud Build 10G/100G high-speed network Integrate multiple kinds of resources User self-service
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International connectivity
Update outbound BW Update existing BW Increase connectivities
Join the GRP Share resources Support big scientific data
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CSTCloud-Testbed
Purposes of CSTCloud-Testbed Provide a testbed for new technologies Provide on-demand dynamic virtual network slices Test new big data transfer technologies
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Design of Testbed Architecture
Figure: The Overall Structure of the Test Environment
Build infrastructure based on CSTCloud
Implementing network slices by SDNUser-defined cloud network
Scientific big data transmission test
Network and information security test
Future network technology test
Physical network
5G network technology testVirtualiza
-tion testlayer
STCloud infrastructure
layer
Applicationtest layer
Content networktest
Systemplatformlayer
Manage control system
Network and informationsecurity test
Measurem
ent and analysis techniques
Testbed safety mechanism
Scientific big data transmission test
Future networktest
Inter-connection
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CSTCloud SDN Testbed
Proposed SDN Testbed node locations
Proposed SDN Testbed connectivity overlay
CSTCloudRouter
Testbed Host
SDN Switch
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Design of Testbed System Architecture
slice1
slice2
slice3
node1
node2
node3
site1
site2site3
site4site5
component
componentcomponent
component -> node -> site -> slice
Combination of centralized management of public resources and partial autonomy of site resources
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Key Technology of Testbed
• Network Slicing Technology
VirtualizationNetwork Slice Implementation of Network
Slicing Technology based on FlowVisor
• Define the available resources for each slice by policy:– Link bandwidth– Maximum number of forwarding rules– Topology– Fraction of switch/router CPU
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Research and Development of Testbed Node Equipment
• Research and Develop Testbed Network Key Node Equipment
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Testbed Node Equipment R&D
We developed a novel network virtualization switch (2014) SmartFlow
– Support openflow 1.2– Layer 2 Tunnel added– QoS function added
Deploy at 15 nodes in 7 cities, build a virtualized network
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Testbed Management and Service System
SC-TB Portal
ControlCenter
ResourceSites
Test measurement subsystem
Resource management subsystem
Testtopology
Testcontrol
Resourcemanage-
ment
Certificati-on
authority
Site manager
Resource management
module
Test measurement
module …….Site manager
Test measure-
ment
Test service subsystem
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Outline
CSTCloud-Testbed Design1
Experiments & Applications2
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Realize flexible transform between IPv4/IPv6
Realize network load balance
网络负载重
网络负载轻
IPv4
Payload
IPv4
Payload
IPv6
视频服务器
视频客户端
IPv4
Payload
Transform Node:OpenFlow switch
Controller:OpenFlow controller
SDN based Experiment
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Experiment on Innovative Technology based on TestbedCarry out Future Network Technology Test
Enhance the Efficiency of Scientific Data TransmissionBased on the technology architecture of SD-WAN, carry out traffic scheduling in the WAN environment, transmission optimization test, enhance the performance of long-distance transmission of scientific data.
Based on the technology architecture of NFV, optimize network performance and security feature deployment, Enhance the efficiency of STCloud operation and management.
Figure: Using SD-WAN technology to optimize scientific data transmission performance
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SD-WAN Based Transfer Optimization
• SmartCloudWAN System• Use SD-WAN to control WAN BW and routing
Terminals
SmartCloudWANController
CPE
CPE
CPE Edge Access Devices
SmartCloudWANScientific Data
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SmartCloudWAN System
• Easy deployment
• Support Multiple Types of CPEs
MiFi Portable Mini Router
USB Wireless Router
DesktopSwitch
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SmartCloudWAN System
• Experiment Results• Transfer bulk biology data Between BJ and NIH in US
The WAN download rate has been improved 66%
Common Internet Access:
average download rate, 750KB/s
SmartCloudWAN Access:
average download rate, 1258KB/s
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Sci-SDN-DMZ
• We has proposed a scientific DMZ network architecture based on SDN named Sci-SDN-DMZ
• It uses SDN to flexibly schedule the scientific data flows to the Science DMZ bypass the security devices in order to guarantee the bulk scientific data transfer performance.
Security DeviceZone
…
PerformanceMonitor
Science DMZ Zone
SDN Switch
SDN Controller
Data Flow
Scientific Flow
Common Flow
DTN
WANLAN
IDSFirewall
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Sci-SDN-DMZ
• Experiment Results
• For more details, please refer to our paper:• “Research and Implementation of Science DMZ Based on Software Defined
Network”, to appear soon
RTTs with different sizes of ICMP packets
RTTs with different link loads HTTP request response time
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International NDN Testbed
CNIC has built an NDN node connecting to the global NDN TestbedNDN: Named Data Networking
We plan to experiment with NDN for big scientific data transfer
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Typical Application—SDN for e-VLBI
KM SH
Controller
VLBICenter
UR BJOpenFlow
User’s service request
OpenFlow
OpenFlowOpenFlo
w
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China-Korea Joint Project
• Jointly Supported by NSFC and NRF • Collaborate with KREONET/KISTI• China-Korea Software-Defined Inter-Connections for Big
Scientific Data Transfer based on CCN
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THANKS [email protected]