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1、Next Generation On Demand(NGOD),Overall Architecture(2009-06),Agenda,NGOD Architecture NGOD Basic ArchitectureNGOD Start Over ArchitectureNGOD Content Delivery Network(CDN)Architecture NGOD Technology WEB Technology CDN Technology NGOD Status and Progress,NGOD Architecture NGOD Basic ArchitectureNGO
2、D Start Over ArchitectureNGOD Content Delivery Network(CDN)Architecture,NGOD 2.0 Basic Architecture,NGOD 2.0 Basic Architecture,Asset Interfaces:A1 to A7,define asset management interfacesSession Interfaces:S1 to S6,define session management interfacesResource Interfaces:R1 to R6,define resource man
3、agement interfacesEntitlement Interfaces:E1 to E2,define entitlement management interfacesStream Control Interface:C1,define stream control interfacesClient Auto-Discovery Interface:D1,define client auto-discovery interfacesVideo Transport Interfaces:V1 to V4,define video transport formats from stre
4、aming server to edgeNetwork Management Interfaces:N,define network management interfacesData Warehousing Interfaces:W,define reporting interfaces with Data Warehouse.Logging Interfaces:L,define event logging interfaces with Logging Server.Service Discovery Interfaces:D,define service and resource di
5、scovery between various on demand components in the head end(not shown in the reference architecture diagram,to be described in Section 6).,Page 6,NGOD VOD,Aug 2007,NGOD VOD Ingest Sequence,Asset State Transition Diagram,NGOD Session Management,One Session Manager Four Resource ManagersEdge Resource
6、 Manager(Phase 1)Network Resource Manager Encryption Resource ManagerOn Demand Resource Manager(Phase 1)Resource Allocation Models optimistic resource allocation model(mandatory)pessimistic resource allocation model(optional)SRM Architecture Hub&Spoke Architecture(mandatory)Threaded Architecture and
7、 Signaling Flow(informative),NGOD Session Management,Optimistic Resource Allocation with Hub&Spoke Signaling,NGOD Session Management,Pessimistic Resource Allocation using ordered Hub&Spoke Signaling,NGOD Session Management,Threaded Signaling for Pessimistic Resource Allocation,NGOD Session Sequence,
8、NGOD Architecture NGOD Basic ArchitectureNGOD Start Over ArchitectureNGOD Content Delivery Network(CDN)Architecture,NGOD Start Over Architecture,NGOD Start Over Architecture,NGOD Start Over Architecture,NGOD Start Over Ingest Sequence,All other Asset ingest,propagation and session setup,control flow
9、 and interfaces are still valid,NGOD Architecture NGOD Basic ArchitectureNGOD Start Over ArchitectureNGOD Content Delivery Network(CDN)Architecture,NGOD CDN Architecture,NGOD CDN Architecture,NGOD CDN Architecture,NGOD CDN Content Ingest and Streaming,All other Asset ingest,propagation and session s
10、etup,control flow and interfaces are still valid,NGOD Technology WEB Technology CDN Technology,NGOD WEB Technology,Service&Content Discovery and Advertise(Application)HTTPXMLSession SignalingRTSP HTTP Resource Management ProtocolRTSP Packet Cable Multimedia(PCMM)Content Locate&Transfer Protocol HTTP
11、 Stream Control ProtocolRTSP HTTP,NGOD CDN Technology,ContentTraditional Cable VOD Content Real Time recorded contentInternet sourced content(web sites)Personal video content Portable Device video content Delivery and Propagation Replace Traditional Satellite Content Delivery system Replace Traditio
12、nal Propagation and DistributionVirtualized Streaming Server with Ingest,Storage,and Streaming functions separatedNext Generation Content Management SystemMultiple screens(TV,PC,Mobile)Metadata normalization and localization,multiple lifecycle Workflow Management,NGOD Status and Progress,Jan 2006,NG
13、OD 2.0 Spec Oct 2007,Basic VOD SeaChange+Motorola,Concurrent,SeaChange Tandberg+Cisco April 2008,Start Over SeaChange+Motorola and SeaChange Dec 2008,Basic VODSeaChange+Cisco Tandberg+SeaChangeDec 2008,Convergent-CDN phase 1aCisco+Cisco June 2009,Convergent-CDN phase 1b(Infinity)Cisco+SeaChange Dec
14、2009,Convergent-CDN Phase2(Infinity)SeaChange+Cisco,29,Questions,SeaChange is a registered trademark of SeaChange International,Inc.All other marks are the property of their respective owners.While every effort is made to ensure the information given is accurate,SeaChange does not accept liability for any errors or mistakes which may arise.All features,specifications,system requirements and/or compatibility with third party products described herein are subject to change at any time without notice.,
