Protocol Action: 'Extensible Binary Meta Language' to Proposed Standard (draft-ietf-cellar-ebml-17.txt)
The IESG <iesg-secretary@ietf.org> Wed, 29 January 2020 14:06 UTC
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From: The IESG <iesg-secretary@ietf.org>
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Subject: Protocol Action: 'Extensible Binary Meta Language' to Proposed Standard (draft-ietf-cellar-ebml-17.txt)
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Cc: The IESG <iesg@ietf.org>, villereal@gmail.com, cellar-chairs@ietf.org, cellar@ietf.org, Steven Villereal <villereal@gmail.com>, draft-ietf-cellar-ebml@ietf.org, alexey.melnikov@isode.com, rfc-editor@rfc-editor.org
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Date: Wed, 29 Jan 2020 06:06:28 -0800
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The IESG has approved the following document: - 'Extensible Binary Meta Language' (draft-ietf-cellar-ebml-17.txt) as Proposed Standard This document is the product of the Codec Encoding for LossLess Archiving and Realtime transmission Working Group. The IESG contact persons are Adam Roach, Alexey Melnikov and Barry Leiba. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-cellar-ebml/ Technical Summary This document defines format considerations for Extensible Binary Meta Language, a hierarchical file format for efficient delivery of binary data in defined Elements inspired by XML. It proposes definitions for creating and validating EBML Schemas that define the use and interpretation of Elements within EBML Documents. Working Group Summary This document has been adequately reviewed by working group members and others, through both mailing list discussion and Github issues and pull requests. One minor issue was how to define EBML Elements in a Header document in a forward-compatible way. It was decided Headers could require a specific, minimum or maximum EBMLVersion (which might have different implementations of Elements). Most recent discussion has focused on how Element IDs (unique identifiers for EBML Elements used within a Schema and Document) should be defined and encoded (as Variable Size Integers) with regard to IANA registration. Document Quality There are already several existing implementations of the specification, including ffmpeg, vlc, and most major browsers and many TV boxes. This is a very readable and clearly written document, and represents the inclusion of multiple recent revisions resolving minor outstanding issues. There appears to be strong group consensus on this document’s readiness to move forward in the standardization process. Personnel The document shepherd is Steven Villereal. The responsible Area Director is Alexey Melnikov.