ԡѺ
Ѩغѹкԡѡѹҡ С кѭѵѾʹ "" ҡ Multiuser Multitasking (Environment) Ѳ Ѳ͹ͧ մöҧҹҡ Ѻѧʹ

ѹͧ

˹ҷͧʹѺʹعشʧѡ 2 Сѹ
1. ѹ (Information Sharing) ء ѹ֧ءҧͧ ˹ ͧʹѺʹعҹҹҧ
2. Ѿҡѹ ҹͧʹ ҡҧ ѭкͧҹ ʤ Ѿ˹ͧ

ͧԡѺ

кԡк 1970 ҡҹԨ ͧ ѹ ഹ ѹ ͧԺѵԡԨ Դкԡ ҡ UUCP *UNIX to UNIX Copy) Ѳ .. 1976 ͡ҹ͡ AT&T .. 1978 Ѻԡ ѹ 7 UUCP ԡҹѺ Ѩغѹѧٻشٻ˹ͧԡ
.. 1978 Դ ѲͿ "Berknet" ѹҧԷԿԡҡԡѲ BSD 2.0 к RS-232C ѹ 9600 Ե/Թҷ Ѳմöͧԡͧѹ ҧ͡ кѲö ͤԹҧͧ ԡ
ǧҧ 1980 ѲѺ UNIX System V ʹѺʹعӧҹѺ TCP/IP ǹ˭ѷѲͧ
ѷ ͹ Ѻҷͧͧԡա Ѻҷͧͧԡա ʹԴͧ I/O Ԥ ʵ (Stream I/O) Դԡ UNIX System V.3 ÷ءҧ TLI (Transport Layer Inter - face) ԴѺǹԡѡɳͧ ҡԡ ѲͿҧ öͧҡ

Ѻԡ

ͧкԡ ҹ͡ 2 ǡ ǡ˹ ǡǹ ѹҧǡ ҧҹ¡Ժҡкǡ աǡ˹кԡҹѺӹǹҡ ӧҹҧҹáԨ ǡкҹ ˹ҹѹѹҡشѧٻ 1


ٻ 1 ͧԡѹ

ѹ֧ 10 Ե/Թҷ ѡ 2 Դ 10BASE5 ҧ¡ Thick Ethernet (ҧ˹) COAX Ẻ RG-9 ҹҹ 50 ǹաѺкͧ 50 RG-58 Ẻ¡ 10BASE2 Thin Ethernet (ҧҧ) ҧ¡ Cheaper net (͹ ) Ѻ Thick Ethernet ͧǹ§Ѻ ¡ ҹ (Tranceiver) Թҡҹѧ AUI Drop ҧҹ (Ѻ Thin Ethernet) Ҩ ػػѧٻ 2
кԡкԴͧкԴ (Open System) ҧͿ кԴͧѷѷ˹ SNA IBM Decnet ͧ DEC ʹͧԡѡ ԴͧкԴ ҵðҹҧдѺҹҵͧ͡ҧҵðҹ CCITT ISO Եҵðҹ ѹ ͧԷҾѺ ѡɳҴͧ ºҡͧ͡ش ѨغѹҧкԴҡء
кԡѨغѹ ǹ˭ʹѺʹعẺ TCP/IP Դ DOD (Department of Defense) зǧѰ ҹѹҧҡԡ Դ Internetworking ҧͧҹԴ˹ҧ ԴԴҧ (Interprocess Communication IPC) ҧͧѹ


ٻ 2 ͧԡѺ

Ѻҧ кԡͧѷҧ ѡʹѺʹع§ҹẺ Point to Point ¡ SLIP (Serial Link Internet Protocol) ҹ X.25 WAN X.25 ԡͧк Thaipak ͧ

ѹ ֧Ϳҧ

Ѻѹ (LAN, WAN, Serial) ֧Ϳҧ ѹͧͧèѹ ŧèҧҹ¡ ͧкԴӤѭ 2 ǡ OSI TCP/IP
ѲѲǹѺء (Application Program Interface API) кѧҡ Socket Interface Ѻԡ 4.2 BSD ա Remote Procedure Call RPC Դѧٻ 3
Դͧ RPC ͧкǹͧӧҹ ء¹¡ҧͧ͹ѺѺͧ кҧ Stub ŧҡ¡ѧѹҹ աͧӧҹѡѡͺѺ Stub ŧѺ׹ҡ¡ѧѹ Ѳͧͧ ¡ҧ


ٻ 3 Դͧ RPC

͹- Ҩ

ٴ֧ͧҧкҴ˭ Դ¹ŧҡкٹ (Centralize) кШ (Distributed) Шҹҧ ѹҹ
ѲͿ¡͹ 2 ǹ ѧٻ 4


ٻ 4 Դ͹

Ѿҡͧк ҹ, , ͧ ǹ͹Ѿҡ ͹Ѿҡҧ ҹͺѺ ͧ ҧͧԴ SQL ͧ
ԡʹѺʹعԴҵ ԡҨ (Daemon process) ӧҹʹѺԴҹҡ͡ ͧԴԡҧҧ ҧͧҨ
ftpd - ԡѺѺ
nfsd - ԡѺʤ
rlogind - ԡͤԹ
telretd - ͤԹҵðҹͧ DOD
աҡѺ ٴ daemon ԡͧ¡ well known port Ţ˹ ԡԴҧʹͧ͡ well know port кԴѺ ҧͧ well know port ʴٻ 5

Decimal Keyword UNIX Keyword Description
0
1
5
7
9
11
13
15
17
19
20
21
23
25
37
42
43
53
77
79
93
95
101
102
103
104
111
113
117
119
129
139
160-223
-
TCPMUX
RJE
ECHO
DISCARD
USERS
DAYTIME
-
QUOTE
CHARGEN
FTP-DATA
FTP
TELNET
SMTP
TIME
NAMESERVER
NICNAME
DOMAIN
-
FINGER
DCP
SUPDUP
HOSTNAME
ISO-TSAP
X400
X400-SND
SUNRPC
AUTH
UUCP-PATH
NNTP
PWDGEN
NETBIOS-SSN
Reserved
-
-
echo
discard
systat
daytime
netstat
qotd
chargen
ftp-data
ftp
telnet
smtp
time
name
whois
nameserver
rje
finger
-
supdup
hostnames
iso-tsap
x400
x400-snd
sunrpc
auth
uucp-path
nntp
-
-
-
-
Reserved
TCP Multiplexer
Remote Job Entry
Echo
Discard
Active Users
Daytime
Network status program
Quote of the Day
Character Generator
File Transfer Protocol (data)
File Transfer Protocol
Terminal Connection
simple Mail Transport Protocol
Time
Host Name Server
Who is
Domain name Server
any private RJE service
Finger
Device Control Protocol
SUPDUP Protocol
NIC Host Name Server
ISO-TSAP
X.400 Mail Service
X.400 Mail Sending
Sun Remote Procedure Call
Authentication Service
UUCP Path Service
USENET News Transfer Protocol
Password Generator Protocol
NETBIOS Session Service
ٻ 5 ʴԡ Well known port number

кԴѺѧ͡Թ кͧͧ Distributed ҡ ͧ͡Ѿҡ Թ ͧ CAD ͧʴҡҾͧ

ҧ

ͧͧҧ
ͤԹкԡ 2 rlogin ¹ ˹ͧöͤԹͧҹ rlogin Ѻԡѹ
ͧա telnet ӧҹѡɳͧԹҵðҹͧ DOD ͡ҡѺԡѹѧѺѹ кͧѹԹʹءҡѺ Դ 3 Թѹ 3 ͧ
ҹ rcp ͧ ͻкѺ cp ԡ ѺѺ͹ҡ ͧ ͧ ftp ͧաͧ ftp ö¹ ͧ Ѻ ԴѺкԡ ӧҹҵðҹͧ DOD Ѻ ͧͧԵѳաҵðҹ NFS (Network File System) Դҡѷѹҡšͧ UNIX NFS ͧԡͧʤͧա֧ѹ ͹Ѻʤкͧͧ ͧ NFS ͹ӧҹ Ѩغѹѧ NFS Ѻ PC-NFS ͧѷѹ ͧöͧͧԡÿ˹ ѧʹѺʹعҹԹա
ش ԡɳ硷͹ԡ mail ԡ кѴ˹ҹҡش š ҵðҹͧ SMTP (Simple Mail Transfer Protocol) UUCP ѡ кǹԴѺ ǹͧѧ sendmail ͧٻͧѺѴԹ˹ Ըա ҧ

ͧԡѺ

ͧҵðҹ ԡкԴ ¹ҡ TCP/IP OSI ҹҡ (Ҩȵ˹) ͹ѲҧҹҧҤ١ŧҡ ѧءѡɳӧҹШҡ ӧҹ§ѡɳͧѷ (Corporate Network) ҷáԨҡ ͧкԴ͡Եѳҧ §ѹ кͧԡӧҹѹдǡ ԷҾѺҧ