System Calls Applie pplica Applica- ■■■■■ tion 1 tion 2 tion n System functions called by applications OS kernel containing TCP/IP protocol software CSIE NTUT TANANCSIE, NTUT, TAIWAN 11 System Calls System functions called by applications OS kernel containing TCP/IP protocol software Applica￾tion 1 Applica￾tion 2 Applica￾tion n