sidevõrgud irt 0020 loeng 616. okt. 2006

1

Sidevõrgud IRT 0020

loeng 6 16. okt. 2006

Avo Ots

telekommunikatsiooni õppetoolraadio- ja sidetehnika instituut

avots@lr.ttu.ee

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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

3

Voice + Data

GatewayInternet PST

4

End to End multimedia

5

Q-o-S

6

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

8

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

13

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