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--- public:00-sip-ra:05-general-requirements-on-proposals:05-1-requirements:05-1-9-implementation-flexibility:start [2026/09/12 18:33] – removed - external edit (Unknown date) 127.0.0.1
+++ public:00-sip-ra:05-general-requirements-on-proposals:05-1-requirements:05-1-9-implementation-flexibility:start [2026/09/15 13:29] (current) – nick_dido
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+====== 5.1.9 Implementation Flexibility ======
+[[public:00-sip-ra:05-general-requirements-on-proposals:05-1-requirements:start|Return to Requirements]]
+Implementation flexibility allows different technologies, products, architectures, and deployment approaches to satisfy the normative requirements of the proposed specification.
+===== Requirements =====
+^ Requirement ^ Level ^ Statement ^
+| [[public:00-sip-ra:99-annexes:annex-c-requirements:gpr-015-multiple-conforming-implementation-approaches|GPR-015 — Multiple Conforming Implementation Approaches]] | Mandatory | {{section>public:00-sip-ra:99-annexes:annex-c-requirements:gpr-015-multiple-conforming-implementation-approaches#Statement&noheader&nofooter&noeditbtn}} |
+| [[public:00-sip-ra:99-annexes:annex-c-requirements:gpr-016-avoidance-of-normative-implementation-descriptions|GPR-016 — Avoidance of Normative Implementation Descriptions]] | Recommended | {{section>public:00-sip-ra:99-annexes:annex-c-requirements:gpr-016-avoidance-of-normative-implementation-descriptions#Statement&noheader&nofooter&noeditbtn}} |
+| [[public:00-sip-ra:99-annexes:annex-c-requirements:gpr-017-minimal-interoperability-constraints|GPR-017 — Minimal Interoperability Constraints]] | Mandatory | {{section>public:00-sip-ra:99-annexes:annex-c-requirements:gpr-017-minimal-interoperability-constraints#Statement&noheader&nofooter&noeditbtn}} |
+===== Related Requirements =====
+These general implementation-flexibility requirements complement the following SIP-RA-specific requirements:
+^ Requirement ^ Relationship ^
+| [[public:00-sip-ra:99-annexes:annex-c-requirements:sip-001-platform-independent-reference-architecture|SIP-001 — Platform-Independent Reference Architecture]] | Requires the proposed Reference Architecture to remain platform independent |
+| [[public:00-sip-ra:99-annexes:annex-c-requirements:sip-029-implementation-and-deployment-independence|SIP-029 — Implementation and Deployment Independence]] | Excludes prescribed implementation technologies, deployment topologies, and System architectures |
+| [[public:00-sip-ra:99-annexes:annex-c-requirements:sip-030-tool-and-technology-neutrality|SIP-030 — Tool and Technology Neutrality]] | Prevents conformance from requiring a particular modeling language, transport framework, or vendor tooling environment |
+| [[public:00-sip-ra:99-annexes:annex-c-requirements:sip-037-technology-neutral-integration-points|SIP-037 — Technology-Neutral Integration Points]] | Requires integration points to remain independent of specific transport, exchange, and modeling standards |
+| [[public:00-sip-ra:99-annexes:annex-c-requirements:sip-041-modeling-and-tooling-conformance-neutrality|SIP-041 — Modeling and Tooling Conformance Neutrality]] | Prevents implementation conformance from depending on modeling languages, interchange formats, or vendor tools |
+===== Notes for Editors =====
+The requirement Statements displayed in this section are transcluded from their authoritative Annex C requirement records and are not independently maintained copies.
+GPR-015 and GPR-017 are mandatory because they use ''SHALL'' or ''SHALL NOT''.
+GPR-016 is recommended because it uses ''SHOULD NOT''.
+GPR-016 does not prohibit informative implementation examples. Such examples should be clearly identified as nonnormative and should not be presented as the only permitted implementation approach.
+GPR-017 permits constraints needed to support required [[public:99_annexes:annex-b-terms-and-definitions:i:interoperability|Interoperability]]. Each such constraint should be traceable to an identified Interoperability need.
+Make changes to a Statement on its corresponding Annex C requirement page.
+----
+<WRAP centeralign>
+© 2026 Dido Solutions, Inc. and Jackrabbit Consulting, Inc.
+</WRAP>