Data as a service yearly). The drawbacks of data as a service are generally similar to those associated with any type of cloud computing, such as the reliance of the customer on the service provider's ability to avoid server downtime. Specific to the DaaS model, a common criticism is that when compared to traditional data delivery, the consumer is really just "renting" the data, using it to produce a graph, chart or map, or possibly perform analysis, but for data as a service, generally the data is not available for download. "Service automation units" (code that expresses the service interface) may contain methods for
Remote Automated Weather Station run on a generator. In both cases, data important to operating the station itself, such as battery voltage or fuel level, is often included in the hourly reports. Also because of the remote locations, most communicate with a modem via telephone, or via a VSAT connection to a GOES satellite. In this regard, they are similar to mesonets and may be mesonets if the distance between stations (spatial resolution) is sufficiently dense. They often lack the consistently high-quality data needed for use in numerical weather prediction and climatology, however. Road Weather Information System (RWIS) may likewise be self-powered and located