星算网络--空天地一体化算力融合网络新发展

Computing satellite networks—the novel development of computing-empowered space-air-ground integrated networks

面对不断增长的算力和网络需求,6G空天地一体化网络通过网络集群优势突破单点算力和传统网络传输的极限,形成以算为中心,以网为根基,云、边、端、网、数、算深度融合的新型空天地一体化算力融合网络。首先介绍了算力网络和空天地一体化网络的发展现状,并结合6G空天地一体化算力融合网络的需求提出了星算网络的概念。其次,对星算网络的分层系统架构中的空基网络、天基网络和地面网络进行描述,并提出由算网资源层、算网抽象层和算网编排层组成的逻辑架构。之后,针对未来星算网络面临的算存问题、可信传输问题、天基算力编址寻址和高移动性算力路由问题提出对应关键使能技术。最后,对星算网络的典型应用场景进行了讨论和展望。

Facing the increasing demands for computing ability and network access,the space-air-ground integrated networks in 6G systems is expected to surmount the limits on a single point of computing ability and traditional network transmission through the advantages of network cluster,where the novel space-air-ground integrated networks that deeply integrate cloud,edge,terminal,network,data,and computation is subsequently formed by taking computing ability as the core and network infrastructure as the foundation.Initially,the current situation and development in existing computing force networks and space-air-ground integrated networks(SAGIN)was introduced.Along with the demands for 6G computing-empowered space-air-ground integrated networks,the concept of satellite computing networks was defined and the co-existed system of computing capability and communication networks was further discussed.Then,the space networks,air networks,and ground networks of the layered satellite computing network architecture were discussed.Based on that,its logical network architecture that includes computing resource layer,computing abstract layer,and computing orchestration layer was further introduced.After that,the key technology enablers with respct to computing and storage issue,trusted transmission issue,satellite computing force addressing issue,and high-mobility computing force routing issue was discussed.Finally,the typical applicaiton scenarios of satellite computing networks and envision its future was presented.