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ac9-jimlee1996 icon ac9-jimlee1996

asuswrt for ac9 https://www.right.com.cn/forum/thread-329838-1-1.html

akshare icon akshare

AKShare is an elegant and simple financial data interface library for Python, built for human beings! 开源财经数据接口库

fast icon fast

开源SDN交换机项目-FAST 项目背景 现有SDN交换机开源项目(如OVS)主要基于软件编写,虽然其分组转发查表等功能在内核中实现,但分组转发性能仍然是主要问题。将软件SDN交换机的分组转发模块卸载到FPGA中实现,不仅能提高交换性能,而且利用FPGA可重构特性可以扩展SDN交换机的功能。 基于NetMagic平台已经有OFS-08和OFS-pro两款支持openflow1.3的SDN交换机实现,在当前的教学科研中得到广泛应用。但这两款平台中,FPGA主要实现CPU的端口扩展功能,openflow转发平面的功能,如协议分析,多元组查表等并没有卸载到FPGA中进行加速,因此在性能上难以进一步提升。 FAST模型 FAST(FPGA Accelerated SDN swiTch)的设计**不同于POF或P4(P4.org)的SDN交换机数据面设计**。FAST针对网络设备功能随着部署的时间和空间变化而变化的特点,利用FAST中F(FPGA)代表的可现场编程和重构能力,只是针对特定场景的交换需求加载特定的SDN交换机转发平面逻辑。 例如SDN部署在园区网中需要支持IPv6,但不需要支持VxLAN。但在数据中心网络中,可能需要支持VxLAN,但无需支持IPv6。因此可针对园区网和数据中心网络的需求分别设计转发面FPGA逻辑。由于FAST交换机运行时,可针对不同环境需求,加载不同的FPGA逻辑。因此,FAST交换机转发平面的设计逻辑简单,性能高,功耗低。

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