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About the advantages of various types of video surveillance storage technologies

By Guardlyer Subscribe to RSS | March 23rd 2012 | Views:
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From the monitoring device, with the increase of the IP Camera, HD camera applications, and file storage period, storage devices in the future for a long period of time must be addressed to meet the demand for storage growth issues . Storage of video surveillance equipment at least need to meet the high performance, high capacity, high reliability, scalability and good.

NAS has its own file system via NFS or CIFS provide file access services: NAS device to provide a unified storage space, based on file-level storage. Today, NAS and SAN not only have their applications, and also combined with each other, further integration into the device-level IP storage SAN and NAS.

SAN programs have several options before the advantages of

Equipment integration, multiple servers can simultaneously access the storage Network Camera back-end storage systems, storage devices do not have to be purchased separately for each server, reduce the isomerization of storage devices to reduce maintenance, and reduce maintenance costs; (2) data set, data of different applications and servers to achieve a centralized physical space adjustment and data replication can be done on one device, greatly improving the utilization of storage resources; (3) construction of SAN can reduce the total cost of ownership, integration of storage devices and centralized management of data and greatly reduce user duplication of investment and long-term management and maintenance overhead.

2, using the server to set up the title of the SAN (FC or IP SAN) storage.

The problem resolve the FCSAN storage following: (1) FC agreement as an emphasis on efficiency, but the lack of management features, compatibility, you can manageability is far lower than the IP; (2) the high cost of FC switches, FCHBA cards compared Ethernet switch, the high price of ordinary network cards, connected complex; (3) due to the closure of the FC protocol, understand less, and master personnel need professional and technical personnel to support the latter and high maintenance costs.

Storage advantage IPSAN: (1) has a good price; (2) without the complexity of the connected equipment, installation and commissioning of the simple, plug the Internet cable can be used; (3) IP-SAN managers can concurrently by the network administrator maintenance costs low. But either way structures FCSAN stream media relay server or the PSAN stream media relay server using the server, forward streaming media server is necessary to complete the video stream "package" store but also achieve real-time video streaming forward, its performance is limited by flow The media server's hardware resources, whether it is the "bottleneck" access to video data storage or video image will be the formation of the whole system a delay.

For web-based audio and video streaming, a great shadow, in the case of a large number of audio and video streaming have a video surveillance management server performance to the network video surveillance video surveillance data, more data, video monitoring the management server IfO operation scheduling and cache management becomes more complex and often multiple cameras on a single server, multiple servers on a single back-end storage devices, storage devices frequently accessed multiple Security IP Camera, multiple servers, storage requirements, take a lot of resources, and its processing capacity.

Guardlyer - About Author:
For web-based audio and video streaming, a great shadow, in the case of a large number of audio and video streaming have a video surveillance management server performance to the network video surveillance video surveillance data, more data, video monitoring the management server IfO operation scheduling and cache management becomes more complex and often multiple cameras on a single server, multiple servers on a single back-end storage devices, storage devices frequently accessed multiple Security IP Camera, multiple servers, storage requirements, take a lot of resources, and its processing capacity.

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