Title: ?????????? ???? A
1??????????
2???????????
Stand alone
??????????????, ?????????
??? A
??? B
??? C
3???????????
?????????????????, ????????????????????
Network
??, ???????
??? A
??? B
??? C
4???????????
Powerful
Server
??????? ?????? ???????
????? ?????
Client
Not always powerful
Client
Client
5???????????
Local Area Network (LAN)
??????? ????
Internet ???????
6?????????
???????????????(LAN)? TCP/IP???????????(??)??? ??
??????????
???
WWW(World Wide Web ???????????????)? ???????????
???????,WWW????????? ????????
7??????????
- ???????????????
- ?????????????????????
- ??????
- (?LAN?????,???LAN???????)
- ????????????????????,
- ?????????????????????
8????
- IP????
- ????????????????????????,?????IP??????????????????
??????? - ?????
- ????????IP?????????????????
- ????????????
- ?????
- ??????????????????????????????
- TCP/IP, http, telnet, ftp, pop, SMTP ??
9???????
- World Wide Web (http, https)
- E-mail (pop, SMTP, imap)
- ??????(ftp, sftp, P2P)
- ????????(telnet, ssh, xdmcp, remote desktop)
- IP??(VoIP, P2P)
10WWW???????
mozilla
WWW???????
mozilla
xxxxyyyy_at_zzzz
xxxxyyyy_at_zzzz
11Google??????
http//www.google.co.jp
??????????????????????Web???????
??1770?12?16?
??102-0082
12Wikipedia??????
http//ja.wikipedia.org/
?????????????Web??? ??????????? ???????????
???????????????! ??, ????, ???????,
N700?, ??????????,???????
13????(??????????)
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? ??????????????????????????. ?
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????????????????(????????).
14????????
15?????(E-mail)
??????a7abxxxx????????? a7abxxxx_at_cs.he.tohoku.ac.
jp
16????????
- (????)???????
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- ????????????????????
- ????????????,?????????????????????
- ?????????????????????????????????
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17??????
??????????? ???????????????????!
To ( ?? )
From ( ??? )
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Subject ( ?? )
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18?????????
- ??
- ????????????
- ???????????? ???????????!
- ??????????
?? ????????????????????????????????????. ??1????
?c74a0ret_at_cs.he.tohoku.ac.jp ??3?????c76a0rjt_at_cs
.he.tohoku.ac.jp
19???????
20??????
Cc ( ??? ) ??? Bcc ( ?????? )
??????????????????????? CC????????????????????????
??! BCC?????????????????
Reply-To ( ??? )
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