郑州慧牛科技讲述《王者荣耀》游戏之LTE网络性能优化
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_gif/kPw7qvKuHQ337MGRqLxpI3icz0HL3V9iaoJVFLZEzRF5jfQXiclJbIUro8cVGO2XGnMYpHPtU9MDS61dvRkXianO6g/0?wx_fmt=gif&tp=webp&wxfrom=5&wx_lazy=1" style="width: 50%; margin-bottom: 20px;"></p>1<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">引言</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">《王者荣耀》<span style="color: black;">是由于</span>腾讯游戏<span style="color: black;">研发</span>的一款运营在Android、IOS平台上的MOBA类手游,属于多人联机在线竞技类游戏,于2015年11月26日在Android、IOS平台上正式公测,上线<span style="color: black;">败兴</span>受到广大手游玩家的热爱,<span style="color: black;">日前</span>该游戏在手游排行中<span style="color: black;">处在</span>TOP 1的位置。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">随着LTE网络下玩家数量的<span style="color: black;">增多</span>,该游戏卡顿等网络问题<span style="color: black;">逐步</span><span style="color: black;">增多</span>,用户投诉呈<span style="color: black;">提升</span>趋势,<span style="color: black;">因此呢</span>对该游戏的<span style="color: black;">科研</span>及优化<span style="color: black;">非常</span>必要。</span></p>2<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">游戏过程</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">《王者荣耀》游戏过程如下图所示</span>。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2ribyUgB2SS3KLAZibY6f4iaEWsGgS9LQDmmQgbq9TdjHxMcvU0CIeyqiaicGQ/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"><span style="color: black;">图1 《王者荣耀》流程图·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">下面分别介绍各过程:</p><strong style="color: blue;">1、登录与更新</strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">与<span style="color: black;">通常</span>游戏相同,在<span style="color: black;">起步</span><span style="color: black;">周期</span>APP会<span style="color: black;">检测</span>版本<span style="color: black;">是不是</span>有更新((如图2)、登录奖励(如图3)等,这些过程都是HTTP过程,端口为80或8080(如图4)</span>。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2rib1P8BMjsQUibdHiba6tia9iaU6W4fDgE9vLmvfBKGVTCVgbDrQj7zRE3rNg/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"> 图2 <span style="color: black;">检测</span>版本更新 图3 登录奖励</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2rib75E9iciaFu5NY8xZXibOD9siab6gibPxamH6kyNv7pQ5ckXVs4JwpgsoxSA/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图4 登录<span style="color: black;">周期</span>抓包<span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">倘若</span>需要更新,<span style="color: black;">经过</span><span style="color: black;">查找</span>down.qq.com和down-update.qq.com域名获取下载服务器<span style="color: black;">位置</span>,183.57.48.18、183.61.46.140,向这些服务器并发多个请求,这些请求<span style="color: black;">所有</span>被分别重定向到文件<span style="color: black;">实质</span>存放服务器,类似:</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">http://183.60.137.158/update1.dlied.qq.com/sgame/Publish/201705_V19/Android/Resources。如下图所示。</span><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2rib1GaQPqhhrRtFCE8laoN17vACTno8GJ3cCYFBLmP8eNSXvPEm2vTFpQ/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图5 从服务器下载<span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">APP在获取<span style="color: black;">实质</span><span style="color: black;">位置</span>后,再次并发多个请求进行更新包下载,下载的3分钟内,请求76次,分段下载61次,数据传输为HTTP;更新过程是一个HTTP多进程下载过程;</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2ribhof9j6XQPwnG5ILyiabMuDpTY2QKGZGYIRZiacOrxb3CYDnicEfVQgbAg/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"><span style="color: black;">图6 登录过程为HTTP过程</span><span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">打开游戏前几分钟的更新、签到等过程<span style="color: black;">所有</span>是HTTP过程,<span style="color: black;">伴同</span><span style="color: black;">海量</span>DNS过程,未<span style="color: black;">创立</span>80/8080/443端口外的TCP连接。</span></p><strong style="color: blue;">2、游戏开局</strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">在游戏等待界面,有<span style="color: black;">有些</span>80端口的TCP握手和拆链,<span style="color: black;">无</span>传数据,估计是游戏<span style="color: black;">自己</span>的<span style="color: black;">有些</span>测试,<span style="color: black;">触及</span>了多个IP,但<span style="color: black;">无</span>游戏长连接IP</span>。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2rib1P8BMjsQUibdHiba6tia9iaU6W4fDgE9vLmvfBKGVTCVgbDrQj7zRE3rNg/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">图7 游戏开局<span style="color: black;">·郑州慧牛科技</span></span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">进行实时交互的服务器为awx.smoba.qq.com,该域名下<span style="color: black;">包括</span>多个IP。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_png/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2ribEwdpiboDfWMHty3nkEy18KCj07hjSBONSdn6bPK5XHOwA2Wew4uw4FA/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图8 服务器下包含多IP<span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">游戏<span style="color: black;">创立</span>的TCP长连接、心跳包和实时UDP数据都来自其中的某一个,如下图所示。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2ribQryW18KyhNUEbs1wjUCWzgNMjRiaNYgicSnO7UA1gDQENaZA7Vj7CBTw/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图9 TCP连接,心跳包和实时UDP数据IP<span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">其中,TCP长连接除了部分数据传输,每隔3s进行一次类似心跳包的发、收和反馈过程,收发数据包<span style="color: black;">体积</span>相同为56字节,如下图所示。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2ribcAy4yFFYuvskvsucCb3Nic1NzSuGm93gftGH5WQ9ayqdg535k1a8XnQ/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图10 TCP长连接<span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">两条UDP流,其中数据量小的UDP流发送固定<span style="color: black;">体积</span>的数据包,APP发60字节,服务器回58字节,每间隔5s APP发一次,如下图所示。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2ribFwTWbIo5pYjS0UTWBK70OgI3gzMw9Vibb69c0aPGEE5r5lBQZG73a4Q/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图11 UDP数据流<span style="color: black;">体积</span><span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">游戏过程中,HTTP过程基本<span style="color: black;">处在</span>静默状态,<span style="color: black;">无</span>交互;游戏结束后,打扫战场,统计MVP、<span style="color: black;">每一个</span>玩家需要加分、经验等过程,这些数据必须<span style="color: black;">靠谱</span>传输到游戏服务器,从抓包看这一<span style="color: black;">周期</span>长连接TCP流传输数据量<span style="color: black;">亦</span><span style="color: black;">很强</span>,还会有<span style="color: black;">包括</span>pingma.qq.com、game.eve.mdt.qq.com、game.str.mdt.qq.com等<span style="color: black;">位置</span>的HTTP请求触发,如下图所示。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2rib75E9iciaFu5NY8xZXibOD9siab6gibPxamH6kyNv7pQ5ckXVs4JwpgsoxSA/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图12 游戏结束后抓包数据<span style="color: black;">·郑州慧牛科技</span></p>3<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">模型提炼</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">从多次完整的抓包过程(更新、登录、对战)看,王者荣耀<span style="color: black;">运用</span>HTTP更新版本,更新用户账号信息,提交当局游戏战况,有一条TCP连接和两条UDP数据流贯穿游戏全程,这条TCP连接除了<span style="color: black;">起始</span>和结束<span style="color: black;">周期</span>用于数据传输,大部分时间用于发送心跳包,UDP一个流用于数据传输,另一个流用于收发固定<span style="color: black;">体积</span>数据。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">从玩家的<span style="color: black;">方向</span>及投诉的<span style="color: black;">状况</span>看,玩家更加注重游戏中的时延,游戏中时延优化归根到底是对<span style="color: black;">以上</span>一条TCP流及两条UDP数据传输的优化,优化的结果直接反映到检测网络的心跳包时延上;而这3条数据流<span style="color: black;">重点</span>特点是小包密集型,同一IP服务器UDP与TCP<span style="color: black;">同期</span>进行,游戏过程TCP与UDP端口随机</span>。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2ribcC1E2BEtFWHSeiatML5stWNPRczzd147MDyfZhQLkaCEFEgmJDPiahDw/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图13 游戏全程<span style="color: black;">包括</span>1条TCP流和两条UDP流<span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">由于</span>每局游戏的装备都是当局购买当局有效,游戏实时数据即使发送失败,即<span style="color: black;">出现</span>丢包<span style="color: black;">亦</span>不需要网络侧重传,需要玩家再次发送,数据<span style="color: black;">靠谱</span>性方面<span style="color: black;">亦</span><span style="color: black;">能够</span>跳帧,<span style="color: black;">因此</span>结合起来,游戏正在进行时,玩家的即时操作<span style="color: black;">经过</span>UDP传输,只追求低时延;</span><span style="color: black;">游戏右上角<span style="color: black;">表示</span>时延大于150ms时,游戏画面就会<span style="color: black;">显现</span>卡顿、操作<span style="color: black;">显现</span>延迟,玩家游戏体验差,<span style="color: black;">倘若</span><span style="color: black;">引起</span>输局极易<span style="color: black;">导致</span>投诉;</span></span></p>4<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">无线优化</p><strong style="color: blue;">1、更新和登录优化</strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">游戏更新下载及用户登录,过程为HTTP过程,更新包采用206分段下载,与视频等HTTP下载相同,且为多线程<span style="color: black;">同期</span>下载;登录及签到等HTTP过程与网页<span style="color: black;">拜访</span>类似,<span style="color: black;">因此</span>针对王者荣耀的初始<span style="color: black;">周期</span><span style="color: black;">能够</span>采用已有的网页或视频优化手段,<span style="color: black;">评定</span><span style="color: black;">办法</span><span style="color: black;">根据</span>网页和HTTP下载<span style="color: black;">评定</span><span style="color: black;">就可</span>。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">由于</span>用户投诉及感知<span style="color: black;">敏锐</span>期在游戏过程中,游戏<span style="color: black;">起始</span><span style="color: black;">周期</span>除了等待在线更新、登录、签到外,还有很<span style="color: black;">长期</span>的本机加载过程,<span style="color: black;">因此</span>初始<span style="color: black;">周期</span>玩家基本能够忍受秒级的等待,优化优先级中</span><span style="color: black;">。</span></span></p><strong style="color: blue;">2、游戏开局优化</strong>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">游戏开局后,HTTP过程基本<span style="color: black;">无</span>,数据交互采用TCP连接与UDP流的方式,<span style="color: black;">针对</span>UDP分组的优化<span style="color: black;">日前</span>还<span style="color: black;">无</span>专门的feature;但UDP<span style="color: black;">做为</span>普通数据业务,像修改SR、DRX周期,DNS、TCP等<span style="color: black;">办法</span>都能<span style="color: black;">必定</span>程度的减少时延;</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">另一</span><span style="color: black;">能够</span><span style="color: black;">创立</span>专有承载进行<span style="color: black;">保证</span>,LTE协议QCI 3<span style="color: black;">便是</span>用于Real Time Gaming,如表1,该承载<span style="color: black;">需求</span>的比特速率被网络永久恒定的分配,即使在网络资源紧张的<span style="color: black;">状况</span>下,相应的比特速率<span style="color: black;">亦</span>能够<span style="color: black;">保准</span>;</span><span style="color: black;"><span style="color: black;">日前</span>电信与腾讯合作,由腾讯<span style="color: black;">供给</span>接口,电信集团平台进行对接,子<span style="color: black;">机构</span>核心网侧针对王者荣耀<span style="color: black;">创立</span>QCI 3,<span style="color: black;">这般</span>就免去了无线侧做游戏识别,无线侧的优化只针对承载进行</span><span style="color: black;">。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">表1 QCI3的包时延和丢包率<span style="color: black;">需求</span><span style="color: black;">·郑州慧牛科技</span></span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">QCI</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">Packet Delay Budget</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">Packet Error Loss Rate</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">3</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">50 ms</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">0.30%</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">TCP数据与服务器交互和心跳包<span style="color: black;">处在</span>同一个流,UDP数据交互在同一服务器上,心跳包客观衡量了游戏交互时间(用户感知组<span style="color: black;">已然</span><span style="color: black;">研发</span>了王者荣耀分析工具)。优化结果如下表所示,从UE侧周期的心跳时延<span style="color: black;">能够</span>看出,开启QCI 3的预调度功能,能够有效降低空口时延,对游戏时延优化<span style="color: black;">很强</span></span><span style="color: black;">。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">表2 优化结果<span style="color: black;">·郑州慧牛科技</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">承载</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">预调度</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">UE</span><span style="color: black;">平均心跳时延(s)</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">空口平均心跳时延(s)</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">QCI 3</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">关闭</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">0.070648</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">0.0549</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">打开</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">0.046773</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">0.024</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2rib5RPNQwLckDHOXghn9EJHQGcz0l1bIpu1bYnXrMNfoqlYh6ByLybPFA/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图14 打开预调度时空口心跳包时延分布图<span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><img src="http://mmbiz.qpic.cn/mmbiz_jpg/kPw7qvKuHQ37Nxpa86PouMY3T35icQ2ribDS57r53CWgQHnd3n7iaAZMtMv9kvQrIN7Yo9bWPdsiaUFSJibibo89UV7w/640?wx_fmt=jpeg&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1" style="width: 50%; margin-bottom: 20px;"></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">图15 关闭预调度时空口心跳包时延分布图<span style="color: black;">·郑州慧牛科技</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">王者荣耀在游戏过程中不卡顿,最低<span style="color: black;">需求</span>时延必须<150ms,该背景下无线时延占全程时延的比例就<span style="color: black;">很强</span>,优化空口时延对游戏的整体感知将效果<span style="color: black;">明显</span></span><span style="color: black;">。</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;">这个大通信时代,<span style="color: black;">选取</span>通信行业加入通信行业!郑州慧牛科技有限<span style="color: black;">机构</span>!</span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">此刻</span>只是<span style="color: black;">起始</span>,<span style="color: black;">将来</span>才是赢家!</span></strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">招聘职位: LTE初/中/高级 网络优化工程师</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">工作地点: 华东,华南,华北,西南,西北等项目部</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">招聘人数: 30人</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">学历<span style="color: black;">需求</span>: 大专及以上学历专业不限</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">招聘<span style="color: black;">需求</span>: <strong style="color: blue;"><span style="color: black;">初级工程师面对在校大三和刚毕业大学生</span></strong></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><strong style="color: blue;"><span style="color: black;"><strong style="color: blue;">郑州慧牛网络科技有限<span style="color: black;">机构</span>诚邀您的加入!</strong></span></strong></p>
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