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介绍了SDN开源控制器ONOS的架构,重点介绍了北向接口层、分布式核心层、南向核心接口层、适配层以及分布式集群架构的特点,解释了ONOS具备高可用性、伸缩性和良好性能的设计机理。同时介绍了ONOS作为控制器在NFV架构中集成各种方式和相关实践。最后介绍了基于ONOS的VPN应用和部署。
The architecture of ONOS, an open source controller for SDN, is introduced. The characteristics of the northbound interface layer, distributed core layer, southbound core interface layer, adaptation layer and distributed cluster architecture are introduced. It explains that ONOS has high availability, scalability and good Performance design mechanism. ONOS is also introduced as a controller to integrate various approaches and related practices into the NFV architecture. Finally, the ONOS based VPN application and deployment are introduced.