1 Sidevõrgud IRT 0020 loeng 616. okt Avo Ots telekommunikatsiooni õppetool raadio- ja sidetehnika instituut

2 Videovoog ja jaotamine DVB, DAB WM9S Server IP encapsulation Encoders Media IP (DSL) Mobile IP-based Streaming

3 Voice + Data Gateway InternetPST

4 End to End multimedia

5 Q-o-S

6 Voice One Way Delay (msec) Description 0–150 Acceptable for most user applications 150–400 Acceptable provided that administrations are aware of the transmission time impact on the transmission quality of user applications Unacceptable for general network planning purposes—however—It is recognized that in some exceptional cases this limit will be exceeded ITU G.114

7 Hierarchical QoS Customer # 1 VLAN VoIP VideoConf VideoStream Data p1 Internet Data p2 Cust 1 Cust 2 Cust 3 Cust 4 Cust n MPLS VPN Internet GigE 10 GigE MPLS Tunnel

8

9 Kõnekvaliteedi kategooriad

10 High Bandwidth Multicast Source San Francsco Receiver 4 B1 D A Receiver 3 Receiver 2 C CE CE MPLS VPN Core CE Receiver 1 PE B PE PE E E PE A PE D C Join High Bandwidth Source Join High Bandwidth Source CE DataMDT For High Bandwidth Traffic Only. B2 Los Angeles Dallas New York Multicast VPN

11 Perfomance

12 Delay

13 Management

14 Multicast Adoption: Multicast ( ) Time 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 Deployment

15 T TGT TRR TT T Interconnection

16 Mitmekesisus IP/MPLS/ GMPLS Optical Core Network (OXC and GMPLS) IP VPN Ethernet VPN IPv4/v6 IP VPN Ethernet VPN IPv4/v6 IP VPN Internet IPv4/v6 Internet IPv4/v6 SDH/SONET Optical Ethernet VPN Ethernet VPN

17 Lingid _papers/wireless_access/doc/Overload%20 Control%20of%20Best- Effort%20Traffic%20in%20the.pdf rne_final_program_v2.pdf /unrestricted/todorovic_final.pdf