话说，UDP比TCP快吗？ 相信就算不是八股文老手，也会下意识的脱口而出：“是”。 这要追问为什么，估计大家也能说出个大概。 但这也让人好奇，用UDP就一定比用TCP快吗？什么情况下用UDP会比用TCP慢？ 今天，我们就来聊一下这个话题。 一、使用socket进行数据 ...

每个 UDP 报文分为 UDP 报头和 UDP 数据区两部分。报头由 4 个 16 位长（2 字节）字段组成，分别说明该报文的源端口、目的端口、报文长度和校验值。 UDP 报文格式如图所示。 每个 UDP socket 都有一个接收缓冲区，****没有发送缓冲区****，从概念上来说就是只要有 ...

Answer by Keith Winstein on Quora, A lot of people ask this question and think in these terms, but here's a different point of view. TCP and UDP are not at the same level of abstraction and they're ...

As with any network and internet-capable computing system, many of Apple's services and programs require access to the internet and/or local network using TCP and UDP ports to function properly. When ...

Have you ever performed surgery on data packets? There are times when that may be the best way to troubleshoot and optimize your network. This edition of the Packet Professor will get you started in ...

As everyone know that TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are internet protocols which are used for communication through internet. The communication takes places ...

An industry group of the world's biggest DNS service providers has agreed on a plan to improve the state of the DNS ecosystem by forcing certain configuration changes upon the smaller server operators ...

What is TCP/UDP port 27? I've looked it up in IANA's list of well-known ports and it came up as nsw-fe, or more appropriately, "NSW User System FE", but just what the hell is it? I've been told it was ...