GSI is an easy-to-use network audio system that gives applications, through a very simple API, sample playing with stereo, 3D, doppler effects, music playing , and CD playing and ejecting/changing. GSI also contains a separately usable sound/music loading/saving/format conversion library libgsif, although saving/format conversion is not completely done.
Grid middleware component "Grid Security Infrastructure", Public Key- based, provided by the Globus Toolkit. It consists of the gss-api library for adding authentication to a program. GSI provides programs, such as grid-proxy-init, to facilitate login to a variety of sites, while each site has its own flavor of security measures.