LOGO 未来移动互联网研究项目 Software Defined Networking 中科大移动云计算系统实验室孟宁

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Presentation transcript:

LOGO 未来移动互联网研究项目 Software Defined Networking 中科大移动云计算系统实验室孟宁

LOGO Page  2 Agenda Switched Networks Software Defined Networking OpenFlow Switch Open vSwitch

LOGO Switched Networks

LOGO Software Defined Networking Dynamically update flow tables in a universal language. In the Software Defined Networking architecture, the control and data planes are decoupled, network intelligence and state are logically centralized, and the underlying network infrastructure is abstracted from the applications. Software-Defined Networking: The New Norm for Networks ONF White Paper April 13, 2012

LOGO Software Defined Networking

LOGO Software Defined Networking

LOGO OpenFlow Switch Match on arbitrary bits in packet (header) Execute actions Forward to port Drop Send to controller Mangle packet OpenFlow enables networks to evolve, by giving a remote controller the power to modify the behavior of network devices, through a well- defined "forwarding instruction set".

LOGO Open vSwitch

LOGO Open vSwitch ： How does it work?

LOGO Open vSwitch ： Fine Grained Flow Table Control Extensive flow matching capabilities Layer 1 – Tunnel ID, In Port, QoS priority, skb mark Layer 2 – MAC address, VLAN ID, Ethernet type Layer 3 – IPv4/IPv6 fields, ARP Layer 4 – TCP/UDP, ICMP, ND Possible chain of actions Output to port (port range, flood, mirror) Discard, Resubmit to table x Packet Mangling (Push/Pop VLAN header, TOS,...) Send to controller, Learn

LOGO Open vSwitch ： Architecture

LOGO 参考资料 Underneath OpenStack Quantum: Software Defined Networking with Open vSwitch Thomas Graf Principal Software Engineer Red Hat, Inc. April 24, 2013

感谢各位孟宁中科大移动云计算系统实验室