Page 90 - Security Today, March 2017

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safety. Longer video retention times improve the ability to perform sophisticated analytics as trends and patterns emerge from accu- mulated data. As new analytics applications emerge and new use cases for video are iden- tified, keeping data longer will become even more important, which further exacerbates the storage challenge.
Capacity is not the only issue. Whenever an incident occurs, agencies must collaborate with local law enforcement, federal investiga- tors, and Homeland Security on investiga- tions, so the ability to easily access and share video data is critical. However, traditional ap- proaches to video storage often result in silos of information that make it difficult to find the right video to support analytics and inves- tigations. And because these videos might not be stored onsite, retrieval can be slow.
More cameras, the transition to digital technology, and longer retention times are converging to create a data storage problem for transportation organizations. While on- board camera analytics and data compres- sion can help reduce the volume of data streaming across networks, more capacity with easy access to files is still needed. To ad- dress the issue, a different approach to stor- age architecture is required.
Benefits of a Multi-tier Storage Architecture
Transportation organizations need a high- performance data management solution and storage architecture that is able to handle full-resolution video streams integrated with real-time analytics—all running at full ca- pacity around the clock.
They need a storage system that can grow with their needs without breaking their bud- get. Today, organizations are keeping as much as 40 percent of their inactive data on their most expensive infrastructure. As more capac- ity is added to accommodate growth, that ap- proach can quickly become unaffordable.
In addition, they need a system that pro- vides easy access to video files and enables file sharing to occur between various law en- forcement agencies.
There are several approaches to address- ing the storage needs of transportation or- ganizations. However, implementing archi- tecture based on storage tiers consisting of high-performance primary disk, high-capac- ity secondary disk, file-based tape, and cloud storage is the best alternative.
First, a multi-tier architecture with the proper data management capability is more cost-effective than a disk-only approach. Configured properly, the system automati- cally moves video files to the most cost-effi- cient tiers of storage based on user-defined criteria. This process balances performance, capacity, and cost across the entire infra- structure and provides a more economical
approach to long-term data retention. Second, as camera counts increase and file sizes grow, agencies must add capacity to handle the increase in data. A multi-tier ar- chitecture can scale with no disruption. Ca- pacity can be added to the tiers incrementally
when more space is needed.
With the proper data management capa-
bility, a multi-tier approach enables files to be easily retrieved and shared. While files may be stored on any tier, users are uninhib- ited. Regardless of where the data resides, the user sees a single view and doesn’t need to depend on IT support to find information.
Moving Forward
Video surveillance and analytics will con- tinue to change. Camera technology will get better. And new use cases for video- based data will likely emerge. Smart deci- sions about storage today not only will help transportation organizations handle the cur- rent data storage problem, but also position them to take advantage of new opportuni- ties in the future with a
flexible, scalable storage architecture.
Wayne Arvidson is the vice president of surveil- lance and security solu- tions at Quantum.
0317 | SECURITY TODAY
TRANSPORTATION SECURITY