Prefix elements for Road and House Numbers in PIDF-LO
draft-ietf-geopriv-prefix-00

Abstract

RFC4119 updated by RFC5139 defines suffixes for street names and house numbers, but does not define prefixes. Both occur regularly in addresses and CAtypes are needed for them. This memo defines STP Street Prefix and HNP house number prefix CAtypes.

Status of this Memo

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Table of Contents

1.  Terminology
    1.1.  Introduction
    1.2.  Prefixes in addressing
    1.3.  Security Considerations
    1.4.  IANA Considerations
2.  References
    2.1.  Normative References
    2.2.  Informative References
§  Author's Address

1.  Terminology

This document uses terminology described in [RFC4119] (Peterson, J., “A Presence-based GEOPRIV Location Object Format,” December 2005.).

1.1.  Introduction

RFC4119 updated by RFC5139 defines suffixes for street names and house numbers, but does not define prefixes. Both occur regularly in addresses and CAtypes are needed for them. This memo defines STP Street Prefix and HNP house number prefix CAtypes.

1.2.  Prefixes in addressing

In [RFC4119] (Peterson, J., “A Presence-based GEOPRIV Location Object Format,” December 2005.) one can define a PIDF for 123 Main Street but not 123 Boulevard Coranado. There is an STS CAtype for a suffix, but no corresponding prefix. [RFC5139] (Thomson, M. and J. Winterbottom, “Revised Civic Location Format for Presence Information Data Format Location Object (PIDF-LO),” February 2008.) added PRM Premodifier and POM Postmodifier, but those are not suitable for the purpose.

Similarly, one can express 123B Main, but not H123 Main. Although one can include such letters in the house number, most addressing authorities keep the number numeric only to facilitate sorting, and have prefix and suffix fields for alphanumerics that appear in front of or following the numeric house number.

To remedy this situation, new CAtypes are required: STP for a street (road) prefix, and HNP for a house number prefix.

1.3.  Security Considerations

The XML representation described in this document is designed for inclusion in a PIDF-LO document. As such, it is subject to the same security considerations as are described in [RFC4119] (Peterson, J., “A Presence-based GEOPRIV Location Object Format,” December 2005.). Considerations relating to the inclusion of this representation in other XML documents are outside the scope of this document.

1.4.  IANA Considerations

This document updates the civic address type registry established by [RFC4776] (Schulzrinne, H., “Dynamic Host Configuration Protocol (DHCPv4 and DHCPv6) Option for Civic Addresses Configuration Information,” November 2006.). Two additional value are added:

    41      STP    Street (Road) Prefix
    42      HNP    House Number Prefix

2.  References

2.1. Normative References

2.2. Informative References

Author's Address