Systèmes de traitement de l'information — Interconnexion de systèmes ouverts — Transfert, accès et gestion de fichiers — Partie 4: Spécification du protocole de fichiers — Amendement 2: Chevauchement d'accès

Extends the protocol specifications given in ISO 8571 part 4 and supporting the internal and external file service interfaces to provide support for the services offered by overlapped access. The objective in introducing overlapped access is to allow more efficient access to structured files when a single initiator has a need to perform many reading and updating operations.