有了解SDN(软件定义网络)的同学吗

可以先看看相关的draft: Draft about Software Defined (Driven) Networks (SDN) 1. Framework for Software Defined Networks (CA and Infinera) http://tools.ietf.org/id/draft-nadeau-sdn-framework-01.txt 2. Formal Specification for Software-Defined Networks (SDN) (ETRI and Korea U.) https://rsync.tools.ietf.org/id/draft-shin-sdn-formal-specification-01.txt 3. Software-Defined Network (SDN) Problem Statement and Use Cases for Data Center Applications (Infinera and CA) http://tools.ietf.org/id/draft-pan-sdn-dc-problem-statement-and-use-cases-02.txt 4. Software-Defined Network (SDN) Use Case for Bandwidth on Demand Applications (Infinera, Ciena and Level 3) http://tools.ietf.org/id/draft-pan-sdn-bod-problem-statement-and-use-case-01.txt 5.Software Defined Networks Use Case for Virtual Connection and Network on Demand (Huawei and China Telecom) http://tools.ietf.org/id/draft-mm-sdn-vc-vn-on-demand-use-case-01.txt 6. Software Driven Networks Problem Statement (Infinera) http://tools.ietf.org/id/draft-nadeau-sdn-problem-statement-01.txt 7. Software Driven Networks: Use Cases and Framework (Alcatel-Lucent, Verizon and BT) http://tools.ietf.org/id/draft-stiliadis-sdnp-framework-use-cases-01.txt 8. MPLS-TP PseudoWire Configuration using OpenFlow 1.3 (Cisco) http://tools.ietf.org/id/draft-medved-pwe3-of-config-01.txt 9. Use Cases for ALTO with Software Defined Networks (Huawei and Telefonica) http://tools.ietf.org/id/draft-xie-alto-sdn-use-cases-01.txt 10. SDNi: A Message Exchange Protocol for Software Defined Networks (SDNS) (Huawei and Telefonica) http://tools.ietf.org/id/draft-yin-sdn-sdni-00.txt 11. Analysis of Comparisons between OpenFlow and ForCES http://tools.ietf.org/id/draft-hares-forces-vs-openflow-00.txt 12. CDNI Request Routing with SDN (ETRI and SNU) http://www.ietf.org/id/draft-shin-cdni-request-routing-sdn-00.txt 13. Cloud Bursting Use Case (Verizon) http://tools.ietf.org/id/draft-mcdysan-sdnp-cloudbursting-usecase-00.txt 14. Traffic classification in end-system IP VPNs (Cisco, Infinera, Juniper, AT&T) http://tools.ietf.org/id/draft-marques-sdnp-flow-spec-01.txt 15. Interface to the Routing System Framework (Juniper and Cisco) http://tools.ietf.org/id/draft-ward-irs-framework-00.txt 16. VXLAN: A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks (Arista, Broadcom, Cisco, VMWare, Citrix and Red Hat) http://tools.ietf.org/id/draft-mahalingam-dutt-dcops-vxlan-02.txt 17. NVGRE: Network Virtualization using Generic Routing Encapsulation http://tools.ietf.org/id/draft-sridharan-virtualization-nvgre-01.txt 18. IP-VPN Data Center Problem Statement and Requirements (AT&T and Cisco) http://tools.ietf.org/id/draft-fang-vpn4dc-problem-statement-01.txt