Νίκος Δροσόπουλος, Μηχανικός Η/Υ & Πληροφορικής MSc in...
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Transcript of Νίκος Δροσόπουλος, Μηχανικός Η/Υ & Πληροφορικής MSc in...
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, / & MSc in Computer & Information NetworksCisco Certified Network Professional TMN 22/09/2008
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( , ) : 10 - 100 (dial-up), , , always-on : , Multimedia (+++) ( , ) -: eHealth, eGovernment, eLearning, eBusiness
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(1) - DSL ( ) (CableTV-/ 90% ) - - 3 (3G mobile phones) () on-line (Fixed Wireless) (Satelite) /
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(2) , ( Backbone) : + xDSL, FTTH
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2 :
2)
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SDHWDMDWDMMETRO-ETHERNETIP OVER DWDM
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ADM-64 ADM-16 ADM-4 ADM-4 ADM-16
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100%
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SDH SDH 10Gbps SDH 8 600 72 .
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WDM
WDM 24 ( ) 10Gbps (240Gbps) WDM 4 8 600 . WDM .
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Dense Wavelength Division Multiplexing (DWDM) 40 , 10 Gbps, 400 Gbps 128 . Tbps.
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IP - Ethernet 95% IP / : L2 protocol Xerox 10Mbps , 100bps 1Gbps
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Public Ethernet: H All-Ethernet etro 1 GB1 GBBD 6804BD 6804BD 6804FEBD 6804BD 6804DSLAM FTTH 2-155 MbpsMINI-LINK
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?ATU-RATU-RATU-RATU-RATU-RATU-RATM coreATM accessDSLAMBRASISP - 2ISP - 1
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IP over DWDM SONET/SDH IP WDM Cisco ONS (series 15000)
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130 500 SDH DWDM (155Mbps, 622 Mbps, 2.5Gbps, 10Gbps, 100Gbps). (ADSL) ADSL .
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2008 SDH-DWDM 700 Marconi-Ericsson, Siemens Alcatel 10 bandwidth
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Ethernet , ,