Fast Infoset (or FI) is an international standard that specifies a binary encoding format for the XML Information Set (XML Infoset) as an alternative to the XML document format. It aims to provide more efficient serialization than the text-based XML format. FI is effectively a lossless compression, analogous to gzip, for XML, except that while the original formatting is lost, no information is lost in the conversion from XML to FI, and back to XML. While the purpose of compression is to reduce physical data size, FI aims to optimize both document size and processing performance.
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| - Fast Infoset (or FI) is an international standard that specifies a binary encoding format for the XML Information Set (XML Infoset) as an alternative to the XML document format. It aims to provide more efficient serialization than the text-based XML format. FI is effectively a lossless compression, analogous to gzip, for XML, except that while the original formatting is lost, no information is lost in the conversion from XML to FI, and back to XML. While the purpose of compression is to reduce physical data size, FI aims to optimize both document size and processing performance. (en)
- Fast Infoset (ou FI) spécifie un XML binarisé, c'est-à-dire un format de codage binaire pour l'ensemble des informations XML ( (en)) comme alternative au format de document XML. Il souhaite fournir une sérialisation plus efficace que le XML basé sur du texte. On pourrait penser que FI est comme gzip pour XML, alors que FI vise à optimiser à la fois la taille du document et les performances de traitement, alors que gzip n’optimise que la taille. Même si le format original est perdu, le passage de XML à FI et vice-versa se fait à iso-information. (fr)
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| - Fast Infoset (or FI) is an international standard that specifies a binary encoding format for the XML Information Set (XML Infoset) as an alternative to the XML document format. It aims to provide more efficient serialization than the text-based XML format. FI is effectively a lossless compression, analogous to gzip, for XML, except that while the original formatting is lost, no information is lost in the conversion from XML to FI, and back to XML. While the purpose of compression is to reduce physical data size, FI aims to optimize both document size and processing performance. The Fast Infoset specification is defined by both the ITU-T and the ISO/IEC standards bodies. FI is officially defined in ITU-T Rec. X.891 and ISO/IEC 24824-1, and entitled Fast Infoset. The standard was published by ITU-T on May 14, 2005, and by ISO on May 4, 2007. The Fast Infoset standard document can be downloaded from the ITU website. Though the document does not assert intellectual property (IP) restrictions on implementation or use, page ii warns that it has received notices and the subject may not be completely free of IP assertions. A common misconception is that FI requires ASN.1 tool support. Although the formal specification uses ASN.1 notation, the standard includes Encoding Control Notation (ECN) and ASN.1 tools are not required by implementations. An alternative to FI is FleXPath. (en)
- Fast Infoset (ou FI) spécifie un XML binarisé, c'est-à-dire un format de codage binaire pour l'ensemble des informations XML ( (en)) comme alternative au format de document XML. Il souhaite fournir une sérialisation plus efficace que le XML basé sur du texte. On pourrait penser que FI est comme gzip pour XML, alors que FI vise à optimiser à la fois la taille du document et les performances de traitement, alors que gzip n’optimise que la taille. Même si le format original est perdu, le passage de XML à FI et vice-versa se fait à iso-information. La spécification du Fast Infoset est définie à la fois par l'ITU-T et les corps de standards de l’ISO (organisation internationale de normalisation). FI est officiellement appelé ITU-T Rec. X.891 et ISO/IEC 24824-1 (Fast Infoset), respectivement. Cependant, il est souvent connu (en anglais) comme Fast Infoset. L’ITU-T a approuvé/validé le standard le 14 mai 2005. ISO initia la publication le 30 mars 2007. Un malentendu fréquent est que FI nécessite ASN.1. Bien que la description formelle utilise les formalismes ASN.1, ASN.1 n'est pas requis pour les implémentations. (fr)
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