Page 14: of Offshore Engineer Magazine (Jan/Feb 2020)

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SPECIAL REPORT Big Data

Source: Kongsberg push data to the cloud. It also expensive than keeping data in munication bandwidth. This becomes facilitates data upload from other ‘hot’ storage. valuable when unmanned surface ves- sources, such as an of? ce PC. sels (USV) are used. A single mother

The ability to automatically gath- ship can have control of a ? eet of • Data sharing. Other Kognifai er and aggregate data from diverse these craft, which allows large areas users, if they have been granted sources in a single, globally accessible to be surveyed by a small team, in access, can read, process, supple- location facilitates ef? ciency in sur- areas which might otherwise be inac- ment and modify data. This vey applications. cessible. USVs are often also used in removes the need for sending support of autonomous underwater physical media or setting up ftp vehicles (AUVs), with the potential to

Taking a remote view servers. Advanced sonar systems, such as extend survey depths to 6,000 meters.

A local wireless system may be used

Kongsberg’s EM sounders, can per- • Archiving. Storage offers the form signi? cant real-time processing, to transfer data between vessels in the facility to archive data at lower thus limiting the amount of data it ? eet. It can then be processed further cost. A feature of Microsoft is necessary to store or transmit. The on the mother ship before upload

Azure, data can be ‘hot’ or to Mapping Cloud via a shore link, amount and type of processing car- ‘cold’. ‘Hot’ data can be accessed ried out is con? gurable, and Mapping which is likely to be higher bandwidth instantly, but once the data is and less expensive than satcom.

Cloud facilitates doing so remotely.

? nished with or not expected to Once the data is in the cloud, the

This allows the operator to ensure be required for some time, it can that only necessary data is uploaded end user for the survey can monitor be put into ‘cold’ storage. This to Mapping Cloud Storage, and to the progress and quality of the survey, is essentially an archive, and less allowing for immediate feedback. tailor the system to the available com- 14 OFFSHORE ENGINEER OEDIGITAL.COM