电子工程专辑

教你动手写UDP协议栈~

其实是为了不跑一个庞大的LWIP协议栈，通过自己写的mini udp协议栈截取数据包给设备升级。这样节省了很多资源。LWIP说大也不算大，但是看自己的需求，是否要使用LWIP协议栈了。 其实写mini udp协议栈之前，需要先了解UDP协议的原理，数据包格式。如果你没提前 ...
EDN

Speed packet throughput with compressed UDP

A typical User Datagram Protocol/Internet Protocol (UDP/IP) header contains 20 bytes of IP header and eight bytes of UDP header. While UDP headers contain source and destination UDP port addresses, ...
EDN

TCP/IP Embedded Internet Applications – The Network Layer, Part 2: IPv6, ICMP and UDP

The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...