sendcountsi

Sendcountsi, often stylized as SendCountSI, is a lightweight data interchange concept used to standardize reporting and coordination of per-message send counts in distributed systems. The concept envisions a minimal set of fields and operations to track how many times a message has been emitted, delivered, or retried, supporting reliability guarantees, auditing, and backpressure control.

Core payloads include message_id, source, destination, timestamp, send_count, max_retries, status, and optional metadata. The encoding may be JSON or CBOR, and transport may be HTTP, gRPC, MQTT, or a broker-specific channel. The concept defines a small command set: create_message, increment_send_count, get_send_count, and acknowledge_delivery.

Workflow typically follows a simple lifecycle: a producer emits create_message; each retry triggers increment_send_count; a consumer or broker can query counts; upon successful delivery or final failure, acknowledge_delivery records the outcome. This enables systems to monitor progress, enforce retry policies, and reason about delivery reliability.

Standards status and usage are informal. Sendcountsi is not part of a formal standards body and appears mainly in vendor documentation and open source proposals as a practical pattern for observing and coordinating message lifecycles. In practice, implementations often align with existing tracing, metrics, or idempotency-key patterns rather than a standalone protocol.

Security and privacy considerations include authenticating updates, ensuring data integrity, and encrypting transported payloads. Access controls and auditing of message_id are recommended, and the design emphasizes minimizing exposure of sensitive fields. Adoption is limited to certain enterprise messaging platforms and integration stacks where an internal contract or middleware pattern is desired; it is not a universally adopted standard.