. . / mparask @ cti.gr

: , , 27 2009

. : 14.319 , ~7.500 , 3.001 , 594 (494 , 71 , 29 ), 60 , , , , , ., . : ~70% 73.727 24.671 e-mail: 123.113 ., , . (open source) Best Practice

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: 51 Gigabit -2 24 : , /, , , , , , , , , , , , , , , , , , , , , Datacenter

: ADSL (2 - 24 bps) ( ) (1 2 Mbps) (1 2 Mbps) (10 54 Mbps) VDSL (10 - 20 Mbps, ) ISDN (128 kbps) PSTN (dialup) (56 kbps)

: (100 Mbps 1 Gbps) 1.500 (512/256 kbps) 700

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(register.sch.gr)73.727 24.671

web (internet-safety.sch.gr) & (www.sch.gr, students.sch.gr) RSS >130.000 (helpdesk.sch.gr)

(www.sch.gr/mail) : 123.113 spam (spamassasin) (clamav) (SMTP authentication) . > 40.000 (www.sch.gr/lists) , , , . , , , , .

>3.400 CMS / (blogs.sch.gr) : :5.050 , >200 >85.000 (periodika.sch.gr)

(VoD) (vod.sch.gr) : 352 (318 1000 ): , , , , , . 822.029 9.189 2008: 22.669 ( 421,83 GB)2009: 19.000 28 . ( 393,26 GB) (webcasting) (www.sch.gr/rts)

(conf.sch.gr) : , , , , . - - , . 3.619 (e-elearning.sch.gr) (SCORM) 85 5.686 106 / (moodle)

(eclass.sch.gr) : 5.517 2.605 2009-2010 (16 )453 , 141 , :2008-2009: 2.305 ( 894 )2007-2008: 2.194 ( 1.020 )2006-2007: 2.065 ( 1.058 )

/ (opensoft.sch.gr): / Forum - Newsletter RSS 450 1.300 , >69.000 , >550.000

(e-emphasis.sch.gr):21 : 875: 91.047 (, , ) >11.200Web Folders (PKI) (ca.sch.gr) (ktim.sch.gr)GIS (gis.sch.gr)

NMS - Network Management SystemMonitoring Tools (DNS) (LDAP) Single Sign On (SSO)

& : . 33 (100 Mpbs 1 Gbps) , : ( ) (, , ADSL backup) , .. VLANs : 15/9/2009 15/12/2009

() () , , ( ) : 15.722 m: 33 11 (1, 4, 7, 12, 13, 18, 19, 21, 24, 26, )8 (1, 2, 3, 4, 5, 6, 7, )6 (1, 2, 3, 4, 5, 6)1 /4 / ( ) (1 , 2, 3, 4 )

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-3 18 . 320 . Metro Ethernet , : : 464.400,00 : 2.569,968,00 , ~670 . .

-3 26 -3. 280 . Metro Ethernet , : : 358.800,00 : 2.301.936,00 , ~685 . .

-3 : . .. . : VDSL2, 52/12bps, -3 . , (). , :

ADSL 2+ ADSL 2, 4, 8 Mbps 24 Mbps . ( 3 / 2 24 Mbps). -3 . , -3 VDSL2 VDSL2 . ( 2010;) , . 50 Mbps . (FTTH) FTTH (Fiber-to-the-Home). FTTH (100 1000 Mbps) VDSL2.

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: http://www.sch.gr info [AT] sch.gr . 801-11-801-81

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