Which OCI specification defines how content is distributed between registries?

Which OCI specification defines how content is distributed between registries?

• A. Runtime Specification
• B. Distribution Specification
• C. Image Specification
• D. OCI Image Specification

Answer: (B)

OCI Distribution Specification defines how content is exchanged between registries. It specifies the protocol and semantics for pushing and pulling image artifacts—such as manifests, blobs, and indices—across registries, enabling interoperable distribution and synchronization of content. The OCI Image Specification, in contrast, describes the layout and metadata of an image itself (how the image is structured on disk and in transfers), while the Runtime Specification outlines how containers are executed. The OCI Image Specification is essentially the image format, not the distribution mechanism.

OCI Distribution Specification defines how content is exchanged between registries. It specifies the protocol and semantics for pushing and pulling image artifacts—such as manifests, blobs, and indices—across registries, enabling interoperable distribution and synchronization of content.

The OCI Image Specification, in contrast, describes the layout and metadata of an image itself (how the image is structured on disk and in transfers), while the Runtime Specification outlines how containers are executed. The OCI Image Specification is essentially the image format, not the distribution mechanism.