Data Communications (Japanese Edition)

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?????OSI??????? ???????????????????????
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????????????????????ARQ??????
?????HDLC???HDLC??????????????
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????TCP/IP
?????TCP/IP??????????????????????????
?????TCP/IP????????TCP/IP???????????
?????TCP?UDP????????TCP????UDP????????
?????TCP?UDP???????TCP?UDP????????????????
?????IP??IP???????????????????????
?????IP????????IP????????????
?????????????NAT?IP???????????
?????ARP?RARP??IP?????MAC????????????
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??????IPv6??IPv6???????????
??????WWW??World Wide Web??????????????????
???????????????????????SMTP?POP3????
????LAN
?????LAN???????????????LAN?????????????????????
?????LAN???????????????????????????????????????3???????????????
?????????????????CDMA/CD?????????????????????????
?????LAN?????LAN?????????
????WAN
?????WAN????WAN???WAN?????????
?????ISDN??ISDN??????
?????ADSL??ADSL?????PPPoE?PPPoA?????
?????ATM??ATM??????
?????VPN?????????VPN?IP-VPN?IPsec?MPLS????