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This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article relies excessively on references to primary sources. Please improve this article by adding secondary or tertiary sources. Find sources: "HS/Link" – news · newspapers · books · scholar · JSTOR (April 2013) (Learn how and when to remove this message) This article contains promotional content. Please help improve it by removing promotional language and inappropriate external links, and by adding encyclopedic text written from a neutral point of view. (September 2021) (Learn how and when to remove this message) The topic of this article may not meet Misplaced Pages's general notability guideline. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted. Find sources: "HS/Link" – news · newspapers · books · scholar · JSTOR (April 2013) (Learn how and when to remove this message) This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. Please help improve this article by introducing more precise citations. (April 2013) (Learn how and when to remove this message) (Learn how and when to remove this message)

HS/Link is a file transfer protocol developed by Samuel H. Smith in 1991–1992. HS/Link is a high speed, full streaming, bidirectional, batch file transfer protocol with advanced Full-Streaming-Error-Correction. Each side of the link is allowed to provide a list of files to be sent. Files will be sent in both directions until both sides of the link are satisfied.

Information

HS/Link is a very fast protocol for normal downloading and uploading, incorporating some new ideas (such as Full-Streaming-Error-Correction and Dynamic-Code-Substitution) to improve speed and provide greater reliability. HS/Link operates at or very near peak efficiency, often reaching 98% or more with pre-compressed files and non-buffered modems. Higher speeds are possible with buffered or error correcting modems. A number of features, such as 32 bit CRC protection, Full-Streaming-Error-Recovery and Dynamic-Code-Substitution are used for performance and security.

HS/Link can resume an aborted transfer, verifying all existing data blocks to ensure the resumed file completely matches the file being transmitted. The function can also update a file that has a small number of changed, added, or deleted blocks. An additional feature allowed remote and local users to chat depending on the file transfer bandwidth(s).

External links

• Samuel H. Smith's page (which gives registration codes and source code)

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