RS-ODMS:一种分布式遥感数据在线管理与服务框架

RS-ODMS: An Online Distributed Management and Service Framework for Remote Sensing Data

  • 摘要: 随着遥感数据体量的不断增加,高效的在线遥感数据管理与服务系统已成为利用海量遥感数据开展应用研究必不可少的基础设施。目前,由于在底层海量遥感数据和顶层服务应用之间缺乏独立的中间框架层设计,不同的底层数据存储与顶层服务应用方案给系统实现与应用带来了困难,迫切需要一种独立于数据存储与服务应用的在线分布式遥感数据管理与服务中间框架,重构数据管理与服务的实现模式,降低海量遥感数据在线管理与服务应用的难度。以此为背景,通过对遥感数据的管理与服务模型进行抽象,设计并提出一种平台独立的分布式遥感数据在线管理与服务框架(online distributed management and service framework for remote sensing data,RS-ODMS)。该框架构建以遥感数据为基础的混合存储模型(distributed hybrid storage model,DHS)与分布式计算模型(distributed parallel-computing model,DPC),提升遥感数据管理能力与服务效率。结合原型系统的实验表明,以RS-ODMS为基础的遥感数据管理与服务框架可支持多分布式存储后端的影像管理扩展能力,具备高效、稳定的服务能力和良好的适用性,能为海量遥感数据的在线管理与服务应用研究提供参考。

     

    Abstract: With the increasing volume of remote sensing data, the efficient online data management and service system has become an essential infrastructure for research on massive remote sensing data application. At present, different remote sensing data storage and service application schemes have brought difficulties to the system implementation and application due to the lack of independent intermediate framework design. There is an urgent need for a remote sensing data online distributed management and service framework-independent of data storage and service application, and to reconstruct the implementation mode of data management and service, reduce the difficulty of massive remote sensing image online management and service. Against this background, we design and propose a platform-independent online distributed management and service framework for remote sensing(RS-ODMS) by abstracting the remote sensing data management and computing model. This framework constructs a remote sensing data distributed hybrid storage model (DHS) and a remote sensing image data distributed parallel computing model(DPC) to improve the remote sensing data management ability and service efficiency. Experimental results show that the prototype system based on RS-ODMS can support an expansion capability of multiple distributed storage backends on remote sensing image management. And it is endowed with high efficiency, stable service ability and extensive applicability, which can provide reference for the online management and service application research of massive remote sensing data.

     

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