What Does Fast Infoset (FI) Mean?

Fast Infoset (FI) is an international standard that details a binary-encoding information format as an Extensible Markup Language (XML) alternative. FI is engineered to support optimized serialization more efficiently than XML, which is based on text. FI is officially known as International Telecommunications Standard Sector (ITU-T) Rec. X.891 and International Standard for Organization/International Electrotechnical Commission (ISO/IEC) 24824-1.

Techopedia Explains Fast Infoset (FI)

According to the FI standard, a data model is specified with the following components: