13.7 Policy and Release Plane QoS Profile [Dido Solutions, Inc Wiki]

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====== 13.7 Policy and Release Plane QoS Profile ======

[[fxdemo:04-part:13-phase-0-qos-profile-model:start | Go To Phase 0 QoS Profile Model ]]

The Policy and Release Plane QoS profile supports policy decisions and authorized release packages.

Policy and release communication must support governed release, release accountability, recipient context, policy decision review, release obligation review, and audit/provenance support. The Phase 0 implementation must preserve the distinction between internal Data Plane availability and authorized external release.

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**Table 13-4:** Policy and Release Plane QoS profile.
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^ QoS Concern ^ Phase 0 Treatment ^
| [[dido:99_annexes:annex-b-terms-and-definitions:r:runtime_plane|Runtime Plane]] | FX Logical Policy and Release Plane |
| Example [[dido:99_annexes:annex-b-terms-and-definitions:d:dds|DDS]] Topics | Policy.FX.PolicyDecision; Policy.FX.ReleasePackage |
| Communication purpose | Exchange policy decisions, release packages, recipient context, release obligations, and authorized oversight information |
| Reliability expectation | Reliable delivery for policy decisions and release packages where Phase 0 demonstrates governed release |
| Durability expectation | Sufficient durability to support review of release decisions and release packages where Phase 0 requires it |
| History expectation | Retain enough policy and release history to support audit, provenance, and demonstration review |
| Ordering expectation | Preserve ordering where policy decisions and release packages have dependency relationships |
| Liveliness expectation | Support detection of unavailable policy, release, or oversight participants where Phase 0 requires it |
| Compatibility expectation | Policy and release publishers and consumers use compatible QoS profiles for relevant Topics |
| [[dido:99_annexes:annex-b-terms-and-definitions:t:traceability|Traceability]] expectation | QoS profile traces to FX Policy Decision [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_communication_endpoint|Communication Endpoint]], FX Release Package Endpoint, FX Policy Decision, FX Release Package, and FX Logical Policy and Release Plane |

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