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Practical Microservices by Umesh Ram Sharma

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JWT

JWT is a special format of token to communicate between different services. As there are so many proprietary standards in the industry, but no universally accepted token standards, JWT fills that space. It makes the token format standard. Details of this format can be found in RFC documents at https://tools.ietf.org/html/rfc7519. It not only carries information about authentication, but also much more metadata in it. Issuer name and scope of permission are very common examples of these. It can also have some customized metadata.

OpenID and OAuth are the frameworks for authentication and authorization. Both of them talk about the concept of access information, but there is nothing mentioned about encryption and format of the token. So, ...

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