Transmission Control Protocol (TCP) is the basic communication protocol of the Internet as well as many private networks throughout the world. Along with User Data Protocol (UDP), TCP represents the ...

（1）字节和数字的存储顺序是从右到左，依次是从低位到高位，而网络存储顺序是从左到右，依次从低位到高位。 （2）版本：占第一个字节的高四位。头长度：占第一个字节的低四位。 （3）服务类型：前3位为优先字段权，现在已经被忽略。接着4位用来表示 ...

In this tutorial we will discuss the concept of Ports and how they work with IP addresses. If you have not read our article on IP addresses and need a brush up, you can find the article here. If you ...

In a previous article, we explained how you can use the sendfile() syscall to reduce the overhead of data transfer from a disk to a network. Now, we’re going to cover another aspect of network ...