(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 ...
Linux操作系统总体上由Linux内核和GNU系统构成,具体来讲由4个主要部分构成,即Linux内核、Shell、文件系统和应用程序。内核、Shell和文件系统构成了操作系统的基本结构,使得用户可以运行程序、管理文件并使用系统。 内核是操作系统的核心,具有很多最基本 ...
这期主题是TCP/IP协议。 编者按:本文来自36氪战略合作区块链媒体“Odaily星球日报”(公众号ID:o-daily,APP下载) 编者按 ...
The purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...
Do you remember when we used multi-protocol routing for IPX, AppleTalk, and TCP/IP running on the same network? In the 1980s and early 1990s many enterprises had multiple protocols running on the ...
TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) constitute the vast majority of packets the average Internet user sends and receives. Inevitably, errors will at some point work ...
2019 年 9 月,6 名中国工程师走进联合国机构国际电信联盟(ITU)的会议室,向来自 40 多个国家的代表提出了一个「激进」的互联网协议提案:「New IP」。 这个新提案,由华为联合中国联通、中国电信、中国工信部(MIIT)策划,目的是替代现行的 TCP/IP 协议。
As mentioned in the review, TCP/IP header compression comes standard on most of today’s network equipment. It is defined in RFC 1144 and compresses 40 bytes of header down to an average of 5 bytes. It ...
If you look at the many fields in a typical IP packet, you might hesitate when you see there are several error check fields. In the Ethernet part of the packet we ...