Internet Open Trading Protocol Version 2 Requirements
RFC 3354

Document Type RFC - Informational (August 2002; No errata)
Last updated 2015-10-14
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IESG IESG state RFC 3354 (Informational)
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Network Working Group                                   D. Eastlake, III
Request for Comments: 3354                                      Motorola
Category: Informational                                      August 2002

                     Internet Open Trading Protocol
                         Version 2 Requirements

Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2002).  All Rights Reserved.

Abstract

   This document gives requirements for the Internet Open Trading
   Protocol (IOTP) Version 2 by describing design principles and scope
   and dividing features into those which will, may, or will not be
   included.

   Version 2 of the IOTP will extend the interoperable framework for
   Internet commerce capabilities of Version 1 while replacing the XML
   messaging and digital signature part of IOTP v1 with standards based
   mechanisms.

Table of Contents

   1. Introduction ...................................................2
   2. Design Principles and Scope ....................................2
   3. Requirements ...................................................2
   4. Security Considerations ........................................4
   References ........................................................4
   Authors Addresses .................................................5
   Full Copyright Statement ..........................................6

Eastlake                     Informational                      [Page 1]
RFC 3354                  IOTP V2 Requirements               August 2002

1. Introduction

   Version 2 of the Internet Open Trading Protocol (IOTP) will extend
   the interoperable framework for Internet commerce capabilities of
   Version 1 [RFC 2801] as described in Section 3 below.  In addition,
   it will replace the ad hoc XML messaging and digital signature [RFC
   2802] parts of IOTP v1 with standards based mechanisms [RFC 3275].

   This document gives requirements for the Internet Open Trading
   Protocol (IOTP) Version 2 by describing design principles and scope
   and dividing features into those which will, may, or will not be
   included.

2. Design Principles and Scope

   1. The specification must describe the syntax and processing
      necessary for an extension of the interoperable framework for
      Internet commerce described in IOTP V1.0 [RFC 2801].

   2. Keep changes to IOTP V1.0 to a minimum.

   3. Maintain all existing functionality of IOTP V1.0.

   4. Test all XML DTDs and/or Schemas and XML examples in the
      specification to insure that they are well-formed.

   5. Create usage/implementation guidance information, probably as a
      separate document.

   6. It should be designed to work well with other protocols such as
      ECML [RFC 3106].

   7. IOTP Version 2 should be developed as part of the broader Web
      design philosophy of decentralization, URIs, Web data, and
      modularity /layering / extensibility.  [Berners-Lee, WebData] In
      this context, this standard should take advantage of existing
      provider (and infrastructure) primitives.

3. Requirements

   IOTP Version 2 will include the following:

   1. Be a superset of IOTP Version 1.

   2. Provide for the Dynamic Definition of Trading Sequences.  I.E.,
      transactions will not be limited, as with v1, to a single payment
      and a single delivery with delivery occurring after payment.

Eastlake                     Informational                      [Page 2]
RFC 3354                  IOTP V2 Requirements               August 2002

      Instead, it will be possible to propose an arbitrary sequence of
      transaction steps.

   3. Include specification of an Offer Request Block.

   4. Support Improved Problem Resolution (extend to cover presentation
      of signed receipt to customer support party, better defined
      Customer Care role, etc.).

   5. Add provisions to indicate and handle a payment protocol not
      tunneled through IOTP.

   6. Add support for server based wallets.

   The following may be include in IOTP v2:

   1. Support Repeated/ongoing payments.  For example, a means to
      specify that a customer approval covers not only the instant
      purchase but also some limited number of future purchase with some
      total or per purchase spending limit.

   2. Enhanced Server to Server messages.  For example, a means for a
      Delivery Handler to inform a Payment Handler that goods have
      actually shipped, which may be a pre-condition for making a charge
      against a credit card.

   3. Include the ability to add both fields and attributes to existing
      trading blocks in addition to the present ability to add entirely
      new trading blocks.

   The following are out of scope for IOTP version 2:

   1. Legal or regulatory issues surrounding the implementation of the
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