< draft-ietf-geojson-text-sequence-02.txt   draft-ietf-geojson-text-sequence-03.txt >
GeoJSON S. Gillies GeoJSON S. Gillies
Internet-Draft Mapbox Internet-Draft Mapbox
Intended status: Informational September 19, 2016 Intended status: Informational January 7, 2017
Expires: March 23, 2017 Expires: July 11, 2017
GeoJSON Text Sequences GeoJSON Text Sequences
draft-ietf-geojson-text-sequence-02 draft-ietf-geojson-text-sequence-03
Abstract Abstract
A proposed standard for geographic data that can be parsed and A proposed standard for geographic data that can be parsed and
produced incrementally. produced incrementally.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on March 23, 2017. This Internet-Draft will expire on July 11, 2017.
Copyright Notice Copyright Notice
Copyright (c) 2016 IETF Trust and the persons identified as the Copyright (c) 2017 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License. described in the Simplified BSD License.
Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Requirements Language . . . . . . . . . . . . . . . . . . 2 1.1. Requirements Language . . . . . . . . . . . . . . . . . . 2
2. GeoJSON Text Sequence Format . . . . . . . . . . . . . . . . 2 2. GeoJSON Text Sequence Format . . . . . . . . . . . . . . . . 2
3. Security Considerations . . . . . . . . . . . . . . . . . . . 3 3. Security Considerations . . . . . . . . . . . . . . . . . . . 3
4. Interoperability Considerations . . . . . . . . . . . . . . . 3 4. Interoperability Considerations . . . . . . . . . . . . . . . 3
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 3 5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 3
6. Normative References . . . . . . . . . . . . . . . . . . . . 4 6. References . . . . . . . . . . . . . . . . . . . . . . . . . 4
Appendix A. Contributors . . . . . . . . . . . . . . . . . . . . 5 6.1. Normative References . . . . . . . . . . . . . . . . . . 4
6.2. Informative References . . . . . . . . . . . . . . . . . 5
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 5 Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 5
1. Introduction 1. Introduction
Large or never-ending sequences of values pose a problem for JSON Large or never-ending sequences of values pose a problem for JSON
that is well explained in the motivation for JSON Text Sequences that is well explained in the motivation for JSON Text Sequences
[RFC7464]. GeoJSON [RFC7946] faces the same kind of problem: [RFC7464]. GeoJSON [RFC7946] faces the same kind of problem:
geographic datasets often run to the tens of thousands or millions of geographic datasets often run to the tens of thousands or millions of
features. The problem is often amplified by the presence of large features. The problem is often amplified by the presence of large
arrays of coordinates for each of the features. arrays of coordinates for each of the features.
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GeoJSON texts with no internal newlines are more interoperable with GeoJSON texts with no internal newlines are more interoperable with
existing non-standardized parsers. existing non-standardized parsers.
In a distributed system where order and exactly-once delivery of In a distributed system where order and exactly-once delivery of
messages are difficult to achieve, GeoJSON text sequences that do not messages are difficult to achieve, GeoJSON text sequences that do not
rely on order of texts for extra semantics are more interoperable rely on order of texts for extra semantics are more interoperable
than those that do. than those that do.
5. IANA Considerations 5. IANA Considerations
The MIME media type for GeoJSON feature sequences is application/ The MIME media type for GeoJSON feature sequences is "application/
geo+json-seq. geo+json-seq". This uses the suffix established in
[I-D.wilde-json-seq-suffix].
Type name: application Type name: application
Subtype name: geo+json-seq Subtype name: geo+json-seq
Required parameters: n/a Required parameters: n/a
Optional parameters: n/a Optional parameters: n/a
Encoding considerations: binary Encoding considerations: binary
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Object Identifiers: n/a Object Identifiers: n/a
Person to contact for further information: Sean Gillies Person to contact for further information: Sean Gillies
(sean.gillies@gmail.com) (sean.gillies@gmail.com)
Intended usage: COMMON Intended usage: COMMON
Restrictions on usage: none Restrictions on usage: none
6. Normative References 6. References
6.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC3629] Yergeau, F., "UTF-8, a transformation format of ISO [RFC3629] Yergeau, F., "UTF-8, a transformation format of ISO
10646", STD 63, RFC 3629, DOI 10.17487/RFC3629, November 10646", STD 63, RFC 3629, DOI 10.17487/RFC3629, November
2003, <http://www.rfc-editor.org/info/rfc3629>. 2003, <http://www.rfc-editor.org/info/rfc3629>.
[RFC7159] Bray, T., "The JavaScript Object Notation (JSON) Data
Interchange Format", RFC 7159, March 2014.
[RFC7464] Williams, N., "JavaScript Object Notation (JSON) Text [RFC7464] Williams, N., "JavaScript Object Notation (JSON) Text
Sequences", RFC 7464, DOI 10.17487/RFC7464, February 2015, Sequences", RFC 7464, DOI 10.17487/RFC7464, February 2015,
<http://www.rfc-editor.org/info/rfc7464>. <http://www.rfc-editor.org/info/rfc7464>.
[RFC7946] Butler, H., Daly, M., Doyle, A., Gillies, S., Hagen, S., [RFC7946] Butler, H., Daly, M., Doyle, A., Gillies, S., Hagen, S.,
and T. Schaub, "The GeoJSON Format", RFC 7946, and T. Schaub, "The GeoJSON Format", RFC 7946,
DOI 10.17487/RFC7946, August 2016, DOI 10.17487/RFC7946, August 2016,
<http://www.rfc-editor.org/info/rfc7946>. <http://www.rfc-editor.org/info/rfc7946>.
Appendix A. Contributors 6.2. Informative References
TODO. [I-D.wilde-json-seq-suffix]
Wilde, E., "A Media Type Structured Syntax Suffix for JSON
Text Sequences", December 2016.
Author's Address Author's Address
S. Gillies S. Gillies
Mapbox Mapbox
Email: sean.gillies@gmail.com Email: sean.gillies@gmail.com
URI: http://sgillies.net URI: http://sgillies.net
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