IP?? - PowerPoint PPT Presentation

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IP??

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Title: PowerPoint Presentation Author: holstila Last modified by: Created Date: 2/5/2001 7:49:24 AM Document presentation format: – PowerPoint PPT presentation

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Title: IP??


1
IP??
2 G
3G ????????????
2.5 G
?????????????
???????????????
E-mail
Web
Web
E-mail
Data-base
etc
TCP
iMode
WAP 1.0
IP
cdmaOne, PDC/P
SMS, PDC/P
GSM
IMT-2000
WLAN
Blue-tooth
CDMA
GPRS
LMDS
PDC
etc
PHS
??????????
??????????
??????????/????
2
IPv6???????
PMTU
ICMP
  • IPv4
  • ???????????????????????
  • ??????????????????????
  • IPv6
  • ????????????????????????????
  • IPSec?????????

IPSec
RIP
IPv4
3
VPN???????????????
  • ???????????????(2004???)
  • ??????????(150Mps??????VPN?)
  • ??????????????

???????????????VPN??? ???????!!
??????????
4
VPN?????????VPN???
  • ???????????????????
  • ???????????????????
  • ???????????????????

??????????
5
VPN?????????VPN??????
  • 2006????2000????????
  • ISP???????????????
  • ??????????????????????
  • ??????????VPN?????
  • ????????????????????? ??

6
SSH?????
  • 1995?????????(Tatu Ylönen)????????????????Secure
    Shell??????????????????????IT??????????
  • Secure Shell ?????????????????????????
  • ?????????????????????
  • ?????????????(???)??

Tatu YlönenPresident and CEO
7
? ?
2000 ??????????/???????/???????????????
1999 IPSec ??????????? Ericsson, Nokia, Lucent
Technologies and Sun Microsystems
1998 ???????????????SSH Communications Security,
Inc.
1997 ??? IPSec ???????
1996 IPSec / SSH2 ??????
1995 SSH Communications Security Ltd. ??
8
2001???????
  • ???160?
  • ?? 19,9 million (27.8)
  • ????? 8,1 million (???41)
  • ????SSH Communications Security Corp.????????
  • ????(100???)
  • SSH Communications Security Inc.
  • SSH ????????????????(?)
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