File formats:

Status:

INFORMATIONAL

Authors:

H. Van de Sompel
M. Nelson
R. Sanderson

Stream:

INDEPENDENT

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC7089

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Abstract

The HTTP-based Memento framework bridges the present and past Web. It facilitates obtaining representations of prior states of a given resource by introducing datetime negotiation and TimeMaps. Datetime negotiation is a variation on content negotiation that leverages the given resource's URI and a user agent's preferred datetime. TimeMaps are lists that enumerate URIs of resources that encapsulate prior states of the given resource. The framework also facilitates recognizing a resource that encapsulates a frozen prior state of another resource.

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.