备案控制台

面试题tcp UDP区别的相关内容

阿里云文档 2025-06-04

配置四层TCP/UDP协议加速

如果您的应用直接以四层TCP/UDP协议连接源站服务器，可以接入四层代理提升应用性能和安全防护。常见的四层TCP/UDP协议场景包括实时对战类游戏、实时音视频互动等。

阿里云文档 2025-03-20

Linux系统中TCP/UDP端口测试方法

本文介绍在Linux系统的ECS实例中，如何测试TCP和UDP端口的连通性。

文章 2024-03-19 来自：开发者社区

网络面试题:TCP和UDP的区别

连接方式 udp是无连接的 tcp是面向连接的可靠性 udp是不可靠传输,不使用流量控制和拥塞控制 tcp是可靠传输,流量控制,确认机制. 重传机制拥塞控制传输方式 udp是面向报文传输 tcp是面向字节流传输。连接个数 UDP...

网络面试题:TCP和UDP的区别

文章 2023-04-20 来自：开发者社区

Java 最常见的面试题：简述 tcp 和 udp的区别？

TCP面向连接（如打电话要先拨号建立连接）;UDP是无连接的，即发送数据之前不需要建立连接。TCP提供可靠的服务。也就是说，通过TCP连接传送的数据，无差错，不丢失，不重复，且按序到达;UDP尽最大努力交付，即不保证可靠交付。Tcp通过校验和，重传控制，序号标识，滑动窗口、确认应答实现可靠传输。如丢包时的重发控制，还可以对次序乱掉的分包进行顺序控制。UDP具有较好的实时性，工作效率比TCP高，适....

文章 2022-10-12 来自：开发者社区

软件测试面试题：tcp 和 udp 的区别？

tcp 和 udp 的区别？UDP：不需要连接成功也能发送成功数据；微信、QQ，自己账号没有登陆，别人也可以发送成功；只适合少量数据，否则容易丢失数据。TCP：必须连接成功才能发送数据，适合大量数据。

共有5条

< 1 >

跳转至： GO

更新时间 2024-03-20 18:32:14

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

UDP tcp相关内容

UDP更多tcp相关

UDP您可能感兴趣

产品推荐

{"optioninfo":{"dynamic":"true","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","title":"边缘安全加速(ESA)","des":"加速和保护所有互联网流量(原全站加速DCDN)，为应用程序提供全球性能优化、应用安全和就近计算能力。","btn1":"ESA控制台","link1":"https://esa.console.aliyun.com/","btn2":"了解ESA","link2":"https://help.aliyun.com/zh/edge-security-acceleration/esa/product-overview/what-is-esa","btn3":"ESA免费试用","link3":"https://free.aliyun.com/?spm=5176.29630154.J__Z58Z6CX7MY__Ll8p1ZOR.2.3d504cf8nixuni&productCode=dcdn","infoGroup":[{"infoName":"相关内容","infoContent":{"firstContentName":"全站加速DCDN控制台","firstContentLink":"https://dcdn.console.aliyun.com/#/overview","lastContentName":"","lastContentLink":""}},{"infoName":"资源包","infoContent":{"firstContentName":"购买全站加速资源包","firstContentLink":"https://common-buy.aliyun.com/?commodityCode=dcdnpaybag#/buy","lastContentName":"","lastContentLink":""}},{"infoName":"产品升级","infoContent":{"firstContentName":"DCDN升级到ESA","firstContentLink":"https://help.aliyun.com/zh/edge-security-acceleration/esa/product-overview/how-to-upgrade-from-cdn-and-dcdn-to-esa/"}},{"infoName":"购买ESA","infoContent":{"firstContentName":"选购ESA套餐","firstContentLink":"https://esa.console.aliyun.com/commonBuy"}}],"ifIcon":"img","iconImg":"https://img.alicdn.com/imgextra/i3/O1CN01MTGFYd20yx2fzsS2G_!!6000000006919-2-tps-114-114.png","contentLink":"https://www.aliyun.com/product/esa"}],"card":[{"link":"#","icon":"https://img.alicdn.com/tfs/TB1afahQpXXXXaAapXXXXXXXXXX-114-114.png","title":"云服务器ECS","des":"云服务器（Elastic Compute Service，简称 ECS）是一种简单高效、处理能力可弹性伸缩的计算服务，帮助您快速构建更稳定、安全的应用，提升运维效率，降低 IT 成本，使您更专注于核心业务。","btn1":"FPGA云服务器","link1":"#","btn2":"GPU云服务器","link2":"#","tip":"新一代云服务器N5 （Xeon® (Skylake)处理器）上线！<a href=\"#\" target=\"_blank\">立即申请</a>"}],"search":[{"txt":"云数据库","link":"#"}],"infoCard":[{"bannerTitle":"<b>全民建站节</b>","bannerUrl":"https://img.alicdn.com/tfs/TB1gMb0IXT7gK0jSZFpXXaTkpXa-1740-328.jpg","bannerContent":"CEO教你线上营销；建站产品限时特惠；下单抽取苹果手机","liveButtonName":"立即观看","liveButtonLink":"https://yqh.aliyun.com/live/detail/10713","homePageName":"去主会场，边看边买","homePageLink":"https://ac.aliyun.com/promotion/webdesign/20200525?utm_content=g_1000127804","contentTitle":"爆款内容","linkGroup":[{"linkContent":"<b>云·企业官网定制建站</b>：买一年送半年，量身定制1对1，建站专业又省心！","linkTo":"立即购买","link":"https://ac.aliyun.com/promotion/webdesign/20200525?utm_content=g_1000127804#J_9553352720"},{"linkContent":"<b>域名爆款产品推荐</b>：.com 23元/首年起；.cn 16元/首年起；.我爱你 18元/首年起","linkTo":"立即购买","link":"https://ac.aliyun.com/promotion/webdesign/20200525?utm_content=g_1000127804#J_8288954440"},{"linkContent":"<b>全民建站锦鲤等你拿</b>：符合“云·企业官网”产品首购即可参与抽奖","linkTo":"立即抽奖","link":"https://ac.aliyun.com/promotion/webdesign/20200525?utm_content=g_1000127804#J_6878476400"}]}],"title":{"mainTitle":"云原生助力企业全面拥抱云计算","subtitle":"这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍。","linkUrl":"#1","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB14iILhgDqK1RjSZSyXXaxEVXa-286-101.jpg","icon":"aliyun-icon-play","textColor":"light"},"dataList":[{"summary":"云原生助力企业全面拥抱云计算","author":"叔同（阿里巴巴研究员、阿里云原生应用平台负责人）"}],"sceneCard":[{"title":"云计算试飞员老蒋开课啦！第一期：电商网站搭建","des":"这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。","btn":"立即观看","link":"","image":""}],"txt":[{"title":"适用场景","scenariosone":[{"txtone":"小型电商：支持访问50万PV,一段场景方案的介绍。","txttwo":"产品推荐","product":[{"name":"ECS 2核4G 40G数据盘 5M带宽","link":"#"}]}]}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"true","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","title":"边缘安全加速(ESA)","des":"加速和保护所有互联网流量(原全站加速DCDN)，为应用程序提供全球性能优化、应用安全和就近计算能力。","btn1":"ESA控制台","link1":"https://esa.console.aliyun.com/","btn2":"了解ESA","link2":"https://help.aliyun.com/zh/edge-security-acceleration/esa/product-overview/what-is-esa","btn3":"ESA免费试用","link3":"https://free.aliyun.com/?spm=5176.29630154.J__Z58Z6CX7MY__Ll8p1ZOR.2.3d504cf8nixuni&productCode=dcdn","infoGroup":[{"infoName":"相关内容","infoContent":{"firstContentName":"全站加速DCDN控制台","firstContentLink":"https://dcdn.console.aliyun.com/#/overview","lastContentName":"","lastContentLink":""}},{"infoName":"资源包","infoContent":{"firstContentName":"购买全站加速资源包","firstContentLink":"https://common-buy.aliyun.com/?commodityCode=dcdnpaybag#/buy","lastContentName":"","lastContentLink":""}},{"infoName":"产品升级","infoContent":{"firstContentName":"DCDN升级到ESA","firstContentLink":"https://help.aliyun.com/zh/edge-security-acceleration/esa/product-overview/how-to-upgrade-from-cdn-and-dcdn-to-esa/"}},{"infoName":"购买ESA","infoContent":{"firstContentName":"选购ESA套餐","firstContentLink":"https://esa.console.aliyun.com/commonBuy"}}],"ifIcon":"img","iconImg":"https://img.alicdn.com/imgextra/i3/O1CN01MTGFYd20yx2fzsS2G_!!6000000006919-2-tps-114-114.png","contentLink":"https://www.aliyun.com/product/esa"}],"card":[{"link":"#","icon":"https://img.alicdn.com/tfs/TB1afahQpXXXXaAapXXXXXXXXXX-114-114.png","title":"云服务器ECS","des":"云服务器（Elastic Compute Service，简称 ECS）是一种简单高效、处理能力可弹性伸缩的计算服务，帮助您快速构建更稳定、安全的应用，提升运维效率，降低 IT 成本，使您更专注于核心业务。","btn1":"FPGA云服务器","link1":"#","btn2":"GPU云服务器","link2":"#","tip":"新一代云服务器N5 （Xeon® (Skylake)处理器）上线！<a href=\"#\" target=\"_blank\">立即申请</a>"}],"search":[{"txt":"云数据库","link":"#"}],"infoCard":[{"bannerTitle":"<b>全民建站节</b>","bannerUrl":"https://img.alicdn.com/tfs/TB1gMb0IXT7gK0jSZFpXXaTkpXa-1740-328.jpg","bannerContent":"CEO教你线上营销；建站产品限时特惠；下单抽取苹果手机","liveButtonName":"立即观看","liveButtonLink":"https://yqh.aliyun.com/live/detail/10713","homePageName":"去主会场，边看边买","homePageLink":"https://ac.aliyun.com/promotion/webdesign/20200525?utm_content=g_1000127804","contentTitle":"爆款内容","linkGroup":[{"linkContent":"<b>云·企业官网定制建站</b>：买一年送半年，量身定制1对1，建站专业又省心！","linkTo":"立即购买","link":"https://ac.aliyun.com/promotion/webdesign/20200525?utm_content=g_1000127804#J_9553352720"},{"linkContent":"<b>域名爆款产品推荐</b>：.com 23元/首年起；.cn 16元/首年起；.我爱你 18元/首年起","linkTo":"立即购买","link":"https://ac.aliyun.com/promotion/webdesign/20200525?utm_content=g_1000127804#J_8288954440"},{"linkContent":"<b>全民建站锦鲤等你拿</b>：符合“云·企业官网”产品首购即可参与抽奖","linkTo":"立即抽奖","link":"https://ac.aliyun.com/promotion/webdesign/20200525?utm_content=g_1000127804#J_6878476400"}]}],"title":{"mainTitle":"云原生助力企业全面拥抱云计算","subtitle":"这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍，这是一段副标题介绍。","linkUrl":"#1","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB14iILhgDqK1RjSZSyXXaxEVXa-286-101.jpg","icon":"aliyun-icon-play","textColor":"light"},"dataList":[{"summary":"云原生助力企业全面拥抱云计算","author":"叔同（阿里巴巴研究员、阿里云原生应用平台负责人）"}],"sceneCard":[{"title":"云计算试飞员老蒋开课啦！第一期：电商网站搭建","des":"这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。这是一段副标介绍，这是一段副标介绍。","btn":"立即观看","link":"","image":""}],"txt":[{"title":"适用场景","scenariosone":[{"txtone":"小型电商：支持访问50万PV,一段场景方案的介绍。","txttwo":"产品推荐","product":[{"name":"ECS 2核4G 40G数据盘 5M带宽","link":"#"}]}]}]}}

边缘安全加速(ESA)

加速和保护所有互联网流量(原全站加速DCDN)，为应用程序提供全球性能优化、应用安全和就近计算能力。

ESA控制台

了解ESA

ESA免费试用

相关内容

全站加速DCDN控制台

资源包

购买全站加速资源包

产品升级

DCDN升级到ESA

购买ESA

选购ESA套餐

飞天洛神云网络

阿里云飞天洛神云网络