OTT

OTT?

OTTa.DVB+OTT ()b.IPTV+OTT ()c.OTT TV ()

a.HbbTVOTT TVb.

OTT?

OTT

OTT

CDN

OTT

ADSL

VDSLGPONWiMAXLTE

DOCSIS3G

WiFi

Over The Top InternetSTB

Smart TVPADSmart-Phone

Internet? Internet? ? ? ? ?

ADSL

VDSLGPONWiMAXLTE

DOCSIS3G

WiFi

OTT Encoder

MPEG2(3Mbps) -> MPEG4 -> H.264(1.5Mbps) -> VC1 -> HLS (800kbps) -> MPEG DASH

ISP

ADSL(8Mbps)-> VDSL(58Mbps) -> GPON(1244Mbps) 2.5G(115kbps) -> 3G(14.4Mbps) -> WiMax(75Mbps) -> LTE(100Mbps)

Devices High Speed CPU, High Memory

CDN ISP

Encoder CDN ISP DevicesCDNOriginVideoSource

Viewers

DRM

Middleware

CDN?

CDNContent delivery network)

CDN

Surrogate server

Surrogate server

Surrogate server

Surrogate server

Surrogate server

Client

Client

Client

Client

Client

Client

Client

ClientClient

Client

Client

Client

Origin server

Co-location responseServerServerloading

CDN

POPCDN Server

OTTa.DVB+OTT b.IPTV+OTT c.OTT TV

DVBOTTDVBOTT

*VOD:

DVB-C OTT

OTT

VOD

Android

DVB+OTT(1) (2)

(3) (4) multi screen

(IPTV)IPTVMPEG-4

(1)

(2)+

IPTV

:(DVD)

IP

:IP

:

IPTV+OTT()

IPTVOTT

IPTV

OTT

IPTV

IPTVOTT

()

OTT

IPTV

IPTV+OTT82

36

()

Wi-Fi

3D

DLNA

OTT

DN363IPTVOTT

100000

()OTVCNTV

PCTV()

OTT TV()

OTT TVOTT

(1)

(2)

(3)

OTT TV

OTT TV

()

ISP()

CNTV

()CNTV

()

IPTV

()CNTV:CNTVCNTV

:QQ

SOSO

DVB+OTT

():

3D

3D

WIFIPC

OTT TV

(Android)

OTT TVIPTVOTT TV IPTV

7

()

+

+

H.264(MPEG-4)

OTT TV

-HBBTV

Hybrid Broadcast and Broadband TV

HBBTVDVB

HbbTV

HBBTV-NDS

NDS

NDS(1) (2)

(3) (4)

Hbb TVOTT

HbbTVOTTOver the Top

HbbTV

PCXbox

NetflixApple TV

OTT TV

OTT TV

OTT TV

HBBTV!

-IPTV+OTT- HbbTV http://wenku.baidu.com/view/37e2c1dfad51f01dc281f18e.html http://media.dvbcn.com/2012/11/28-96165.html http://info.pts.org.tw/open/paper/2009/doc2009/2009_18.pdf http://wenku.baidu.com/view/16c6dbcc0508763231121276.html http://wenku.baidu.com/view/fc6d84797fd5360cba1adbd0.html http://wenku.baidu.com/view/2bea132c3169a4517723a3b9.html http://media.dvbcn.com/2013/06/26-101334.html http://www.c114.net/news/118/a706502.html http://fiber.ofweek.com/2012-09/ART-210022-8120-28639322.html http://www.doc88.com/p-904969064964.html http://www.doc88.com/p-904969064964.html gogleAPK8 Mobile apple tv CCBN2013-- - OTT TV-- OTT TVIP--H3C DVBCN