THREDDS: A type of service that provides researchers with access to a large collection of real-time and archived dataset from a variety of environmental data sources at a number of distributed server sites. For more information, see https://www.unidata.ucar.edu/software/tds/
WEB SERVICES: A type of interoperable machine-to-machine software function that is hosted at a network addressable location. A web service has an interface that hides the implementation details so that it can be used independently of the hardware or software platform on which it is implemented and independently of the programming language in which it is written. For more information, see https://www.earthdata.nasa.gov/technology/web-services
ESI: A EOSDIS service interface (ESI) web-service that runs on an internal host (i.e. only accessible on the DAAC internal network). Its primary functionality is to route service requests to subagents, but also includes a test-support inventory access ("drill-down") and service access capability, including the ability to generate echo forms. For more information, see 4.8.21.1.1 EOSDIS Service Interface (ESI) EED3-609 Release 22.1
ECHO ORDERS: A type of service that enables the delivery of data via CMR legacy services.
WCS: A web coverage service that offers multi-dimensional coverage data for access over the Internet.