Sidevõrgud IRT 0020 loeng 616. okt. 2006
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1 Sidevõrgud IRT 0020 loeng 6 16. okt. 2006 Avo Ots telekommunikatsiooni õppetool raadio- ja sidetehnika instituut [email protected]
description
Sidevõrgud IRT 0020 loeng 616. okt. 2006. Avo Ots telekommunikatsiooni õppetool raadio- ja sidetehnika instituut [email protected]. WM9S Server. IP encapsulation. DVB, DAB. Media. Mobile. Encoders. IP (DSL). IP-based Streaming. Videovoog ja jaotamine. Gateway. Internet. PST. - PowerPoint PPT Presentation
Transcript of Sidevõrgud IRT 0020 loeng 616. okt. 2006
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Sidevõrgud IRT 0020
loeng 6 16. okt. 2006
Avo Ots
telekommunikatsiooni õppetoolraadio- ja sidetehnika instituut
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Videovoog ja jaotamine
DVB, DABDVB, DAB
WM9S ServerWM9S ServerIP IP
encapsulationencapsulation
EncodersEncoders
MediMediaa
IP (DSL)
MobileMobile
IP-based IP-based StreamingStreaming
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Voice + Data
GatewayInternet PST
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End to End multimedia
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Q-o-S
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Voice
One WayOne WayDelay (Delay (mmsec)sec) DescriptionDescription
00––150150 Acceptable for most user applicationsAcceptable for most user applications
150150––400400Acceptable provided that administrations are aware Acceptable provided that administrations are aware of the transmission time impact on the transmission of the transmission time impact on the transmission quality of user applicationsquality of user applications
400 +400 +Unacceptable for general network planning Unacceptable for general network planning purposes—however—It is recognized that in some purposes—however—It is recognized that in some exceptional cases this limit will be exceededexceptional cases this limit will be exceeded
• ITU G.114
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Hierarchical QoS
Customer # 1 VLAN
VoIP
VideoConf
VideoStream
Data p1
Internet
Data p2 Cust 1
Cust 2
Cust 3
Cust 4
Cust n
MPLS VPNInternet
GigE
10 GigE
MPLSTunnel
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9
Kõnekvaliteedi kategooriad
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High Bandwidth Multicast Source
San Francsco
San Francsco
Receiver 4Receiver 4
B1
D
A
Receiver 3Receiver 3
Receiver 2Receiver 2
C
CECE
CECE
MPLS VPNMPLS VPNCore Core
CECE
Receiver 1Receiver 1
PEPEBPEPE
PEPE
EE
PEPEA
PEPED
C
Join HighBandwidth Source
Join HighBandwidth Source
CECE
DataDataMDTMDT
For High Bandwidth
Traffic Only.
B2
Los Angeles
Los Angeles
DallasDallas
New YorkNew York
Multicast VPN
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Perfomance
12
Delay
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Management
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Multicast Adoption:
Multicast (1986-2005)Multicast (1986-2005)
1992 1996 1997 1998 2000 2001 2002 2003 2004 20051986Time
Early Adopters NASA, DOD,
Cisco, Microsoft, Sprint
Financials NASDAQ, NYSE,
LIFE, Morgan, GS, Prudential
E Learning 150 Universities in
US, Hawaii, Oregon, USC, UCLA, Berkley
Corporate
Communication HP, IBM, Intel, Ford,
BMW, Dupont
MXU & Content
Providers Fastweb, B2,
Yahoo, BBC, CNN
z z z
Research Community
MBONE
Surveillance Law Enforcement
and Federal
IPv6 Multicast NTT, Sony, Panasonic,
Multicast VPN
C&W, MCI, AT&T, TI, FT, DT, NTT
Multicast D
eployment
Multicast D
eployment
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T
T G T
T R R
T T
T
Interconnection
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Mitmekesisus
IP/MPLS/GMPLS
Optical Core Network(OXC and GMPLS)
IP VPN
Ethernet VPN
IPv4/v6
IP VPN
Ethernet VPN
IPv4/v6
IP VPN
InternetIPv4/v6InternetIPv4/v6
SDH/SONETSDH/SONET
OpticalOptical
Ethernet VPN
Ethernet VPN
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Lingidhttp://www.seattlechannel.org/http://www.ericsson.com/technology/research
_papers/wireless_access/doc/Overload%20Control%20of%20Best-Effort%20Traffic%20in%20the.pdf
http://www.ieeevtc.org/vtc2006spring/melbourne_final_program_v2.pdf
http://etd.lib.ttu.edu/theses/available/etd-11282005-100301/unrestricted/todorovic_final.pdf
