terminals his pc and his mobile telephone for example and keep the right to consult it while roving since it leaves him with one attachment right one reading occurrence per day several years later when he will change his pc or mobile telephone he will be able to request an extension of his contract since he will always have the right to be connected to the control server and to use this last right to attach the document to a new piece of equipment the connected and disconnected modes of a document are diagrammed in fig6 in which the various boxes are made explicit below the box k 67 indicates the sending of the open ticket the box k 61 indicates the initialization and the storage of the open ticket in the local memory the box k 71 indicates the sending of the request for authorization of the total connected mode the box k 72 indicates a positive response to the request the box k 73 indicates the initialization for the sending to the control server of the paragraphs the box k 74 indicates the operation for decryption of the paragraphs sent in the clear the box k 75 indicates the storage of the paragraphs in the local encrypted mass storage the box k 80 indicates the local recovery of the paragraphs stored in the local encrypted mass storage the contents are not recovered online but are packed into a container optionally with accompanying files the whole being recorded on a disk cd rom usb key etc they can be in keeping with the epub format see the chapter concerning the epub format or more simply comprise at least one xhtml page the plug in that contains the supervisor and the content the whole being referenced as an object.