车载终端网关采用mina/netty+spring架构，独立于其他应用，主要负责维护接入终端的tcp链接、上行以及下行消息的解码、编码、流量控制，黑白名单等安全控制，网关同时支持交通部JT/T808-2011、JT/T808-2013两个版本全部的808协议，网关应用提供二次开发接口，支持以插件形式协议扩展而不需要改动任何原有代码。接入网关采用json消息通过MQ消息队列与业务平台进行交互(The vehicle terminal gateway using mina/netty+spring architecture, independent of other applications, mainly responsible for the maintenance of access terminal TCP, uplink and downlink link message decoding, encoding, flow control, safety control of black and white list, the 808 protocol gateway also support the Ministry of communications, JT/T808-2011 JT/ T808-2013 two version of all, provide two interface gateway applications. Support in the form of plug-in extensions without changing any original code. Access gateway uses JSON message to interact with business platform through MQ message queue)