基于WLC的中国气象局无线网络技术

Techniques and Implementation of CMA-Wireless Network Based on WLC

CMA-Wireless(China Meteorological Administration-Wireless,中国气象局无线网络)为气象园区移动办公和视频会商提供基础支持服务。原有CMA-Wireless覆盖范围有限,缺乏身份认证过程,存在安全隐患,无法实现精细化管理,难以满足气象现代化建设的未来需求。本文以原有无线网络架构为基础,WLC(Wireless LAN Controller,无线局域网控制器)为核心,通过网络结构冗余化、堆叠技术、无线网络安全保护系统、有源以太网AP(Wireless Access Point,无线访问接入点)扩充等结构和技术,对气象业务数据传输的特点进行研究,弥补了原有网络的不足,从而实现了对移动办公、视频会商的完美支持,为气象系统无线网络的推广起到推动作用。

The CMA-Wireless（China Meteorological Administration-Wireless）provides the basis support services for the operational mobile office and video consultation.However,the original CMA-Wireless service has a limited scope,and lacks of an authentication process with security risks.It is difficult to achieve a meticulous management and cannot satisfy the requirement of future meteorological modernization.In this paper,we use the redundancy network structure,stack of switch and dual system,WiFi-protected access,and wireless access point by power over Ethernet to study the characteristics of operational meteorological data transmission,and make up for the shortage of the original network based on WLC.The study provides a good support for the mobile office and video consultation.