�??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#26085;&#38889;&#31934;&#21697;&#26497;&#21697;&#27611;&#29255;&#31995;&#21015;&#35270;&#39057;&#44;&#20013;&#25991;&#23383;&#24149;&#20013;&#25991;&#23383;&#24149;&#22312;&#32447;&#20013;&#24515;&#19968;&#21306;&#13;&#44;&#31934;&#21697;&#20813;&#36153;&#97;&#118;&#19968;&#21306;&#20108;&#21306;&#19977;&#21306;&#13;</title><link>http://www.aygfsteel.com/OneEyeWolf/archive/2021/04/02/435841.html</link><dc:creator>Speed</dc:creator><author>Speed</author><pubDate>Fri, 02 Apr 2021 03:11:00 GMT</pubDate><guid>http://www.aygfsteel.com/OneEyeWolf/archive/2021/04/02/435841.html</guid><wfw:comment>http://www.aygfsteel.com/OneEyeWolf/comments/435841.html</wfw:comment><comments>http://www.aygfsteel.com/OneEyeWolf/archive/2021/04/02/435841.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/OneEyeWolf/comments/commentRss/435841.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/OneEyeWolf/services/trackbacks/435841.html</trackback:ping><description><![CDATA[<p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">苏标��d��安全协议�?021�q�迎来一个新的版本粤标主动安全协议标�?&nbsp;�q�个标准是基于jt/t808-2019协议框架�?&nbsp;作�ؓ一个面向全国的��d��安全�q�_��不可能只能接入粤�?&nbsp;�q�要兼容苏标.苏标</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">��d��安全协议本��n���是一个比较复杂的混合协议</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,</span>&nbsp;<span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">��?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">808</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">协议指��o和报警文件数据流混合在一�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">�l�开发者造成了不���的�ȝ��</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">有点烧脑</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">同时�׃��其本�w�业务的复杂�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">使得开发�h员必��要有一定的开发经�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">�l�合比较好的设计模式才能构徏出来性能良好的网�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">一般需要几个版本的�q�代</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">必须要在实际的大规模车辆接入</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">�q�营一�D�|��间积累��够多的设备经�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">才能逐步的成熟稳定下�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">没有一定规模的讑֤�接入, ���p��做出高性能的网��x��不可能的事情</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.单纯的采用SpringBoot + Netty,只是一个基���,&nbsp;后面的代码我们仍然要有扎实良好的设计功底</span><span style="margin: 0px; padding: 0px; font-family: Calibri; font-size: 14px;">,才能做出一个优�U�的主动安全��^�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; font-size: 10.5pt;">.</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;作�ؓ开发者我们必��要解决一下五个设计挑�?</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp; 1)&nbsp;高性能的主动安全协议通信�|�关通信框架设计</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp; 2)&nbsp;苏标��d��安全协议和粤标主动安全协议的兼容性设�?</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp; 3)&nbsp;大数据量高�ƈ发存储设�?</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp; 4)&nbsp;及时的报警推送和处理;<br /></span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt; color: red;"><strong>&nbsp;如需购买源码 ,&nbsp;请先联系: 2379423771@qq.com,&nbsp;详细内容请参�?&nbsp;</strong></span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;"></span></p><h2 style="margin: 0px; padding: 0px 0px 3px; font-size: 2em; color: #5c7990; text-shadow: #ffffff 0px 1px 0px, #bebebe 0px -1px 3px; font-family: Georgia, Arial, Helvetica, sans-serif; text-transform: capitalize; background-color: #ffffff;"><u><a  title="�_�标��d��安全�q�_��">Netty4 + SpringBoot2 + RabbitMq + Redis + AliOSS 构徏高性能�_�标��d��安全�q�_��</a></u></h2><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp;1.高性能的主动安全协议通信�|�关通信框架设计</span></strong><strong style="margin: 0px; padding: 0px;"></strong></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp; Netty框架当然是首�?&nbsp;�q�个不用多言,&nbsp;作�ؓ基础框架,&nbsp;我们一般用SpringBoot2整合Netty4框架,&nbsp;先�ؓ我们的��^台打下一个坚实的基础.</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;">&nbsp; &nbsp; &nbsp; &nbsp;<img alt="Netty4 + SpringBoot2 ��d��安全�q�_��" height="505" src="http://www.jt808.com/wp-content/uploads/springboot%20IDE.JPG" width="768" style="margin: 0px; padding: 0px; border: none;" /></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;">&nbsp;</p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;">&nbsp; &nbsp; &nbsp; &nbsp;��Z��<span style="margin: 0px; padding: 0px; font-family: Arial; font-size: 10.5pt; letter-spacing: 0pt;">Netty4</span>�q�行协议解析,&nbsp;我们必须要清楚设备与服务器之间的通信协议,&nbsp;及通信数据格式.&nbsp;一个粤标设备一�ơ报�?&nbsp;可能与��^台直接徏立三个连�?&nbsp;一个是指��o�q�接,&nbsp;两个是数据传输的�q�接.如下图所�C?</p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><img alt="讑֤�与主动安全��^台直接的�q�接" height="314" src="http://www.jt808.com/wp-content/uploads/terminalconn.JPG" width="713" style="margin: 0px; padding: 0px; border: none;" /></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">2.&nbsp;&nbsp;苏标��d��安全协议和粤标主动安全协议的兼容性设�?</span></strong><strong style="margin: 0px; padding: 0px;"></strong></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体; letter-spacing: 0pt; font-size: 10.5pt;">兼容性设计主要是对于接入讑֤�的报�?/span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: Calibri; letter-spacing: 0pt; font-size: 10.5pt;">,</span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体; letter-spacing: 0pt; font-size: 10.5pt;">��q��序自动识别出协议的版�?/span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: Calibri; letter-spacing: 0pt; font-size: 10.5pt;">.&nbsp;</span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体; letter-spacing: 0pt; font-size: 10.5pt;">�q�以此来军_��后箋的报文数据解析和指��o下发</span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: Calibri; letter-spacing: 0pt; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体; letter-spacing: 0pt; font-size: 10.5pt;">如果是粤标的讑֤�</span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: Calibri; letter-spacing: 0pt; font-size: 10.5pt;">,</span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: 宋体; letter-spacing: 0pt; font-size: 10.5pt;">下发的指令亦应是�_�标协议格式</span><span style="margin: 0px; padding: 0px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; font-family: Calibri; letter-spacing: 0pt; font-size: 10.5pt;">.&nbsp;实际上苏标是采用jt/t 808-2013协议,&nbsp;�_�标是采用jt/t 808-2019协议,&nbsp;所以就是要区分�?013版本�q�是2019版本.</span>&nbsp; &nbsp; &nbsp;</p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">3.大数据量高�ƈ发存储设�?/span></strong><strong style="margin: 0px; padding: 0px;"></strong></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;�_�标��d��安全报警文�g上传,本质上就是多个设备同时�ƈ发连�l�上传多个文�?对磁盘的IO操作非常的频�J?���盘存储的成本也非常的昂�?在阿里云上面扩容一�?00G的硬盘每月的成本需要千�?而这对于���量的主动安全报警文件来说都不够塞牙�~?</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">一�ơ报警如果��^均是</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">4</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">个文�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,1M</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">大小</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">则如果在�U�有</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">1000</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">台�R</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">则每天��^均报警一��?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">���会上传</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">1G</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">的文�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">如果每个车��^均上�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">10</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">��?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">则每日有</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">10G</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">的存储需�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">如果�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">1</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">万台�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">���p����q����d��</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;而目前的��d��安全讑֤�厂商来说芯片���法很多�q�不掌握,&nbsp;报警的准���性和误报率非常的�?&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">如�R道偏���L���?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">车距�q�近报警�{?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">�q�些误报的报警文�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">基本上都是垃圾数�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">却会占用服务器大量的带宽资源和存储成�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">对于�q�_��不存也不�?&nbsp;万一里面真有一�ơ�R辆碰撞事故呢?&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">��Z��节省存储成本</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">采用云厂商提供的云存储服�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">阉K���?腾讯�?华�ؓ云的OSS云存储费用相对较�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">但是存储定w��也不能一直增�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">如果一直增�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">阉K��云也不是�z�菩�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">也会有很多收贚w���?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">最�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">30</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">天的生命周期</span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,&nbsp;</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">�q�期数据自动销�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">,</span><span style="margin: 0px; padding: 0px; font-family: 宋体; line-height: 21px; font-size: 10.5pt;">或者归�?/span><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">.</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;所以在设计的时�?要提供和支持本地存储,本地讉K��,OSS存储和OSS服务.</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;">&nbsp; &nbsp; &nbsp; &nbsp;<img alt="��d��安全参数讄���" height="602" src="http://www.jt808.com/wp-content/uploads/oss.JPG" width="805" style="margin: 0px; padding: 0px; border: none;" /></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><strong style="margin: 0px; padding: 0px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">4.报警消息的及时推送和报警数据的及时展�?</span></strong><strong style="margin: 0px; padding: 0px;"></strong></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;"><span style="margin: 0px; padding: 0px; font-family: Calibri; line-height: 21px; font-size: 10.5pt;">&nbsp; &nbsp; &nbsp; &nbsp;�q�里用到及时,&nbsp;是因��Z���ơ主动安全的报警,&nbsp;我们需要等待所有的报警附�g全部上传完毕�?&nbsp;�q�行报警消息的推�?&nbsp;做不到实时的推�?&nbsp;只能在前端能够及时的展现出来,&nbsp;�q�就要求我们不能�{�待数据存储完毕才进行消息推�?&nbsp;我们在数据接收完毕后�q�行消息推�?&nbsp;�q�就用到redis框架.&nbsp;接收到数据后,及时的放入redis当中.&nbsp;前端展现的时�?&nbsp;从redis中获�?&nbsp;而不从存储服务中获取.</span></p><p style="margin: 0px 0px 10px; padding: 0px; color: #333333; font-family: Verdana, Tahoma, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #ffffff; line-height: 18px;">&nbsp;</p><img src ="http://www.aygfsteel.com/OneEyeWolf/aggbug/435841.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/OneEyeWolf/" target="_blank">Speed</a> 2021-04-02 11:11 <a href="http://www.aygfsteel.com/OneEyeWolf/archive/2021/04/02/435841.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>��Z��Java Netty框架构徏高性能的部�?08协议的GPS服务�?/title><link>http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/16/432462.html</link><dc:creator>Speed</dc:creator><author>Speed</author><pubDate>Sun, 16 Apr 2017 00:35:00 GMT</pubDate><guid>http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/16/432462.html</guid><wfw:comment>http://www.aygfsteel.com/OneEyeWolf/comments/432462.html</wfw:comment><comments>http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/16/432462.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/OneEyeWolf/comments/commentRss/432462.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/OneEyeWolf/services/trackbacks/432462.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 使用Java语言开发一个高质量和高性能的jt808 协议的GPS通信服务器，�q�不是一件简单容易的事情�Q�开发出来一�D늨�序和能够承受数十万台车蝲接入是两码事�Q�除��d��发部�?08协议的固有复杂性和几个月长周期的协议Bug调试�Q�作为大扚w��794车蝲�l�端接入的服务端�Q�需要能够处理网�l�的闪断、客��L��的重�q�、安全认证和消息的编解码、半包处理等。如果没有��够的�|�络�~�程�l�验�U�篏和深入了解部�?08协议文档�Q�自研的GPS服务器往往需要半�q�甚��x���q�的旉���才能最�l�稳定下来，�q�种成本即便对一个大公司而言也是个严重的挑战。对�?08协议的解析处理，需要编写自定义的解码器了，目前Netty提供了多个基����~�码器可以供开发者进行��承和拓展�Q�开发的时候，需要了解这几个解码器的主要作用�Q�主要用于那些通信数据传输的场景�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/16/432462.html'>阅读全文</a><img src ="http://www.aygfsteel.com/OneEyeWolf/aggbug/432462.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/OneEyeWolf/" target="_blank">Speed</a> 2017-04-16 08:35 <a href="http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/16/432462.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Gps软�g�q�_��jt808协议技术开发文章烦�?/title><link>http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/15/432460.html</link><dc:creator>Speed</dc:creator><author>Speed</author><pubDate>Sat, 15 Apr 2017 02:14:00 GMT</pubDate><guid>http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/15/432460.html</guid><wfw:comment>http://www.aygfsteel.com/OneEyeWolf/comments/432460.html</wfw:comment><comments>http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/15/432460.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/OneEyeWolf/comments/commentRss/432460.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/OneEyeWolf/services/trackbacks/432460.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 部标监控�q�_��jt808协议软�g开发技术文章烦�?主要�늛�了基于java技术开发jt808部标标准的方斚w��面，实现了部�?08协议、部�?09协议和部�?96�?94标准�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/15/432460.html'>阅读全文</a><img src ="http://www.aygfsteel.com/OneEyeWolf/aggbug/432460.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/OneEyeWolf/" target="_blank">Speed</a> 2017-04-15 10:14 <a href="http://www.aygfsteel.com/OneEyeWolf/archive/2017/04/15/432460.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>��Z��Spring4+SpringMVC4+Mybatis3+Hibernate4+Junit4框架构徏高性能企业�U�的部标GPS监控�q�_��</title><link>http://www.aygfsteel.com/OneEyeWolf/archive/2016/09/13/431789.html</link><dc:creator>Speed</dc:creator><author>Speed</author><pubDate>Tue, 13 Sep 2016 00:09:00 GMT</pubDate><guid>http://www.aygfsteel.com/OneEyeWolf/archive/2016/09/13/431789.html</guid><wfw:comment>http://www.aygfsteel.com/OneEyeWolf/comments/431789.html</wfw:comment><comments>http://www.aygfsteel.com/OneEyeWolf/archive/2016/09/13/431789.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/OneEyeWolf/comments/commentRss/431789.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/OneEyeWolf/services/trackbacks/431789.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 开发企业��的部标GPS监控�q�_���Q�投入的开发力量很大，开发周期也很长�Q�选择��L��的开发语�a�以及成熟的开源技术框架来构徏基础�q�_���Q�是最恰当不过的事情，在设计之初就避免掉了技术选型的风险，避免以后在开发过�E�中�Q�不断的填坑走弯路，以至于整个团队被坑埋掉。做GPS�q�_���q�么多年�Q�以前就了解��C��些开发团队过于关注某一�U�语�a�的优势，比如�q�于选用GO�Q�Erlang�Q�python,php�{�技术，最后团队熟悉这些技术的关键人员���职了，都没人接手，不能不说是个悲剧。所以说�q�_��的技术架构选型要注重的是稳健，均衡而不是偏�Ȁ�Q�而SpringMVC4, Mybatis4, Hibernate4���是GPS监控�q�_��软�g开发的理想框架选择�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/OneEyeWolf/archive/2016/09/13/431789.html'>阅读全文</a><img src ="http://www.aygfsteel.com/OneEyeWolf/aggbug/431789.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/OneEyeWolf/" target="_blank">Speed</a> 2016-09-13 08:09 <a href="http://www.aygfsteel.com/OneEyeWolf/archive/2016/09/13/431789.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Gps监控软�g开发技术大�?/title><link>http://www.aygfsteel.com/OneEyeWolf/archive/2016/04/25/430238.html</link><dc:creator>Speed</dc:creator><author>Speed</author><pubDate>Mon, 25 Apr 2016 14:12:00 GMT</pubDate><guid>http://www.aygfsteel.com/OneEyeWolf/archive/2016/04/25/430238.html</guid><wfw:comment>http://www.aygfsteel.com/OneEyeWolf/comments/430238.html</wfw:comment><comments>http://www.aygfsteel.com/OneEyeWolf/archive/2016/04/25/430238.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/OneEyeWolf/comments/commentRss/430238.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/OneEyeWolf/services/trackbacks/430238.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 对网上搜集的gps部标软�g�q�_��的开发技术文章进行了一个精华烦引，免得重复搜烦了�?nbsp;&nbsp;<a href='http://www.aygfsteel.com/OneEyeWolf/archive/2016/04/25/430238.html'>阅读全文</a><img src ="http://www.aygfsteel.com/OneEyeWolf/aggbug/430238.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/OneEyeWolf/" target="_blank">Speed</a> 2016-04-25 22:12 <a href="http://www.aygfsteel.com/OneEyeWolf/archive/2016/04/25/430238.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>                                                                                    <footer>
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