IPTV streaming media distribution and delivery of technological breakthroughs (next) - Streaming Media, IPTV, video and audio - Radio and TV Industry
Continued Part: IPTV streaming media distribution and delivery of technological breakthroughs (on) The concept of streaming media, the introduction of switching network is a distributed computing architecture, an important development
In the concept of centralized processing, the external resource management is built on the basis of the equipment. Meanwhile, the computing system's input, output and external storage devices and control methods are abstract for the paper form (including keyboard input, display, printer, disk drive, etc.). In this way, all the document management, based on equipment for the unit. In this context, network communication capability for remote access capabilities of the devices to express, also normalized in the equipment - document management system on top.
Focus on the concept in the development of this document and there is an obvious problem is that files are not beyond the capacity of equipment. Even if the file system is a "distributed" network file system, this "network" is also seen as a "centralized" external equipment "buried" under the operating systems in computer networks interview. If this structure for large-scale distribution and delivery of streaming media, it's computing resources can not, and storage resources while at the network level to optimize performance and cost point of view from all unreasonable.
Obviously, if the network file system independent of the network operating system, rather than the network file system as an external device placed in the operating system of the lower classes, and a platform through the new streaming media services, access, streaming media distribution and delivery system performance and cost will be greatly improved. The platform is streaming media exchange network.
Exchange network based on streaming media streaming network file system A streaming media exchange network is a group from the network, etc. (P2P) computing nodes formed. We call these computing nodes for streaming media service node. Each service node contains the streaming media input, output and storage functions. Streaming media exchange network capacity of all the input, output power, storage capacity and storage of the content of the composition of the streaming media network input systems, streaming media, streaming media network output system and network file system.
Switching network in streaming media, all storage space on network file system is shared, the network file system is used by all the stream input and output handling process shared. But the network file system is independent of the physical device, or network file system associated with the virtual "equipment" is the media exchange network. This is a streaming media services, an important feature of the operating system.
Input and output from the perspective of a streaming media exchange network is an entity, input, output and storage functions and the physical device (service nodes) state is irrelevant. In this context, each node is free to join or unloaded without affecting the entire streaming media exchange network services.
Therefore, streaming media exchange network, operating system, network, equipment and documents is no longer a hierarchical segmentation. Their relationship to the media exchange network in parallel. We can see streaming media access will no longer access the server, but access to the entire network. Streaming media files stored will no longer be the storage of equipment and documents, but the network storage. At the same time, the network itself contains fault-tolerant mechanism, without adding any additional resources to improve availability. As a streaming media file will no longer be limited to devices such as hard drive capacity, reliability, or access speed, it could transparently across multiple devices on the network for storage, especially for large size, borderless streaming media files treatment. In addition, the network's own input, output and storage management and optimization, so that each streaming media exchange network as an autonomous system.
Streaming media exchange network is an open middleware system that interfaces through the API and the underlying resources, through the API and the application interface, but also through the API to achieve system integration, restructuring and expansion.
Switching network in the design of streaming media, a streaming media exchange network can be split into multiple virtual streaming media exchange network (each corresponding to a family of streaming media exchange network input, output and virtual streaming media network file system) . Similarly, the number of streaming media exchange network of virtual resources can be further form the new media exchange network, known as streaming media, virtual organizations. This virtual organization is built on content management level, it can be achieved within a larger content of the optimal operation and sharing.
And the network file system storage devices as the concept of the public compared to the exchange of network structure based on streaming media streaming media distribution network file system uses the whole system performance and cost advantage that it is obviously clear.
Network file system as a streaming media implementation, streaming media exchange network will be a low-cost general-purpose computer (such as computing power and storage capabilities including blade servers) network management component. Multiple stream media exchange network may form a larger virtual geographical streaming exchange networks. However, running in these different streaming media streaming media exchange network file system can be shared, which can form a national and even global streaming media content over a virtual system for audio and video content in different systems and different IPTV business and operational systems.
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