ISM - IIS Smooth Streaming Manifest File has always been used by the popular Smooth Streaming extension contained within Microsoft’s IIS web server. This file type also requires use of XML formats and houses both bit rate and track info for ISMA and ISMV file types that are hosted on the web server for streaming purposes.
These file types are also saved in the exact same server directory as the multimedia files are housed in. This makes it especially useful for finding out the quality after being able to negotiate a connection speed with the client in question. ISM - IIS Smooth Streaming Manifest File types have always been references within Silverlight and many other popular streaming applications for the accessing of content streams. When used with Smooth Streaming API standards, this file type is often used in order to specify an exact source for SSME to stream the content in question.
ISM - IIS Smooth Streaming Manifest File types are quite simple to use within their specific environment, which makes them extremely popular among developers of web content.