IOT applications have become one of the emerging industries,the business platform is a key to its application. In the study and implementation of Ubiquitous Service Platform for IOT ( USPIOT) process,network communication layer is both an essential core part and the key part of development. In this paper,introduce the network communication layer of design and implementation of for USPIOT, in the implementation process,to solve the large volume end-users access,service differences,and other characteristics,also propose and implement a service buffering mechanism. In the design of mechanism for the platform service management,adopt a multi-level buffering technique,and use two buffer pools mechanism to verify the system. This implementation results show that in the multi-terminal high traffic environment,particularly in more than 2 000 number of tasks,compared with the single-stage buffer pool,the system efficiency can be increased by 20% or more.%物联网应用已成为新兴产业之一，业务平台是实现其应用的关键。在研究和实现物联网泛在业务平台USPIOT过程中，网络通信层是其必不可少的核心部分，也是开发的重点部分。文中介绍了为物联网泛在业务平台USPIOT设计和实现的网络通信层，在实现过程中，为解决多终端用户访问量大、业务差异性强等特点，又提出和实现了一种业务服务缓冲机制。该机制在平台业务管理中采用了多级缓冲技术，用两级缓冲池机制来验证系统。通过两级缓冲池系统多业务运行结果显示，在多终端大业务量环境下，特别在2000任务数以上，相比于单级缓冲池，系统效率可提高20%以上。
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