Video data storage method and equipment

Abstract

The invention provides a video data storage method. A virtual Internet protocol (IP) address is enabled in advance at a video encoder (EC) or an IP storage area network (SAN). The method comprises that: the EC identifies and caches the processed data of an important channel, and directly caches the processed data of other channels; and the EC preferably performs internet-based small computer system interface (iSCSI) packaging, transmission control protocol (TCP) packaging and IP packaging on the identified data, performs IP header replacement on the identified data by using the virtual IP address and transmits the data, so that routing equipment preferably forwards the received data with the virtual IP address and IP SAN storage equipment preferably stores the received data with the virtual IP address. The invention simultaneously discloses video data storage equipment. By the video data storage method and the video data storage equipment provided by the invention, the data of the important channel can be preferably processed to ensure the relatively lower packet loss of the data of the important channel.

Description

technical field [0001] The invention relates to the technical field of video monitoring, in particular to a video data storage method and equipment thereof. Background technique [0002] IP storage area network (SAN) allows a direct high-speed connection between storage devices and video encoders (ECs) to transmit data from ECs to storage devices for storage. Internet Small Computer System Interface (iSCSI) is an internet-based SCSI transmission Protocol, data transmission between EC and storage devices can be realized through this protocol. [0003] figure 1 It is a structural schematic diagram of the IP SAN storage model in the existing video surveillance system. Such as figure 1 As shown, the EC can receive data streams from multiple channels. First, the processor in it processes the received data streams (such as encoding and compressing the data streams); secondly, the data cache stores the processed Next, establish an iSCSI connection between the iSCSI protocol cli...

AI Technical Summary

Problems solved by technology

Obviously, this method cannot guarantee the data storage requirements of these channels when the data volume of some channels is large, the reliability of data transmission is high, or the business needs to be stored first.

For example: the amount of data in an important channel is large, and the cache space in EC is limited, transmitting data in the order received may cause the data of this important channel in the cache space not to be taken away and new data to be stored in , which may cause insufficient cache space and discard important data; or, when the IP SAN storage device performance bottlenecks, the received data cannot be stored in time, and the data sent by the EC cannot be responded to, which will also cause important data loss in channel

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