Protocol Engineering Lab.

Study system and network protocols for security and mobility
https://pel.sejong.ac.kr/phpbb/

[2017-09-08] TCP/IP 완벽가이드, II-3부, 인터넷 프로토콜 버전 4(IPv4)

https://pel.sejong.ac.kr/phpbb/viewtopic.php?f=3&t=172