The National Institute of Standards and Technology (NIST) has issued the NIST SP 800-204B Attribute-based Access Control for Microservices-based Applications using a Service Mesh.
The Special Publication (SP) 800-204B provides deployment guidance for an authentication and
authorization framework within a service mesh for microservices-based applications.
An abstract from SP 800-204B:
Readers can also download the PDF version.