NVMe 2.1 specification released: Unifying storage architecture, simplifying development process, enhancing security and management

According to news from this website on August 7, at the Flash Memory Summit held this week, NVM Express officially released the NVMe 2.1 specification, covering a total of 3 new specifications and updating and revising the existing 8 specifications. The organization hopes that The new specification can better unify storage in the AI, cloud, client and enterprise fields.

This updated NVMe technology builds on the previous NVMe specification and introduces important new features for modern computing environments, while also simplifying the development process and shortening time to market.

The 3 new specifications attached to this site are as follows:

NVMe startup specification

Subsystem local memory command set

Computing program command set

The 8 updated and revised specifications are as follows:

NVMe 2.1 basic specification

Command set specification (NVM command set, ZNS command set, Key Value command set)

Transmission specification (PCIe transmission, Fiber Channel transmission, RDMA transmission and TCP transmission)

NVMe management interface specification

This update mainly brings The new NVMe features are as follows

Supports live migration of PCIe NVMe controllers between NVM subsystems.

New host-directed data placement capabilities for SSDs simplify ecosystem integration and are backwards compatible with previous NVMe specifications.

Supports offloading part of the host processing to NVMe storage devices.

Network boot mechanism for NVMe over Fabrics (NVMe-oF).

Supports NVMe over Fabrics partition.

Provides the ability for the host to manage encryption keys and achieve highly fine-grained encryption through "Key Per I/O".

Security enhancements such as support for TLS 1.3, centralized authentication verification entities for DH-HMAC-CHAP, and masked media verification.

Management enhancements, including support for high-availability out-of-band management, management via I3C, out-of-band management of asynchronous events, and dynamic creation and export of NVM subsystems from underlying NVM subsystem physical resources.

Users who are interested in NVM Express specifications and new feature specifications can visit the NVM Express website to learn more.

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