Packet writing

Packet writing (or incremental packet writing, IPW) is an optical disc recording technology used to allow write-once and rewritable CD and DVD media to be used in a similar manner to a floppy disk from within the operating system.

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Packet writing allows users to create, modify, and delete files and directories on demand without the need to burn a whole disc. Packet writing technology achieves this by writing data in incremental blocks rather than in a single block.

Deleting files and directories of a CD-R using packet writing technology does not recover the space occupied by these objects but, rather, they are simply marked as being deleted (making them effectively hidden). Similarly, changes to files cause new instances to be created instead of replacing the original files. Because of this, the available space on a non-rewritable medium using packet writing technology will decrease every time its content is modified.

The most common file system for packet writing systems is UDF.

Due to the characteristics of optical rewritable media such as CD-RWs and DVD-RWs, the ability of data sectors to hold their contents diminishes when changing them frequently (since re-crystallized alloy de-crystallizes). To cope with this the packet writing system can remap bad sectors with good sectors as required. These bad sectors cannot be recovered by formatting the media.^[1]

Packet writing is most popularly implemented by Microsoft since Windows Vista, where it is referred to as the Live File System. Software implementing packet writing includes:

Nero InCD
Drive Letter Access
Linux (since 2.6.8)

[1]
"PC Hardware in a Nutshell: A Desktop Quick Reference" by Robert Bruce Thompson, Barbara Fritchman Thompson − Chapter 11 (starting page 340): CD writers

This computer hardware article is a stub. You can help Wikipedia by expanding it.

You can help expand this article with text translated from the corresponding article in German. (July 2020) Click [show] for important translation instructions.

Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia.
Consider adding a topic to this template: there are already 1,975 articles in the main category, and specifying|topic= will aid in categorization.
Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article.
You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Packet-Writing]]; see its history for attribution.
You may also add the template {{Translated|de|Packet-Writing}} to the talk page.
For more guidance, see Wikipedia:Translation.

The most common file system for packet writing systems is UDF.

Packet writing is most popularly implemented by Microsoft since Windows Vista, where it is referred to as the Live File System. Software implementing packet writing includes:

Nero InCD
Drive Letter Access
Linux (since 2.6.8)

[1]
"PC Hardware in a Nutshell: A Desktop Quick Reference" by Robert Bruce Thompson, Barbara Fritchman Thompson − Chapter 11 (starting page 340): CD writers

This computer hardware article is a stub. You can help Wikipedia by expanding it.

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