In a ๐ข๐๐๐ง๐ค๐จ๐๐ง๐ซ๐๐๐๐จ ๐๐ง๐๐๐๐ฉ๐๐๐ฉ๐ช๐ง๐, monolithic applications are broken down into smaller microservices that ๐๐ค๐ข๐ข๐ช๐ฃ๐๐๐๐ฉ๐ ๐ค๐ซ๐๐ง ๐ฉ๐๐ ๐ฃ๐๐ฉ๐ฌ๐ค๐ง๐ using an ๐ผ๐๐.
This causes:
(1) a ๐จ๐ช๐ง๐๐ ๐ค๐ ๐ฃ๐๐ฉ๐ฌ๐ค๐ง๐ ๐ฉ๐ง๐๐๐๐๐ and
(2) increases the ๐๐ค๐ข๐ฅ๐ก๐๐ญ๐๐ฉ๐ฎ and ๐ค๐ซ๐๐ง๐๐ก๐ก ๐๐ฉ๐ฉ๐๐๐ ๐จ๐ช๐ง๐๐๐๐ in the architecture.
Adding a ๐จ๐๐ง๐ซ๐๐๐ ๐ข๐๐จ๐ to the microservices ๐๐ก๐ก๐๐ซ๐๐๐ฉ๐๐จ ๐ข๐๐ฃ๐ฎ ๐ค๐ ๐ฉ๐๐ ๐๐๐๐ก๐ก๐๐ฃ๐๐๐จ introduced with a microservices architecture and provides the ๐๐ค๐ก๐ก๐ค๐ฌ๐๐ฃ๐ ๐๐๐ฃ๐๐๐๐ฉ๐จ:
(1) ๐ฆAllows you to ๐๐ค๐ฃ๐ฉ๐ง๐ค๐ก the microservices ๐ฉ๐ง๐๐๐๐๐ ๐๐ก๐ค๐ฌ.
(2) ๐ญ Provides ๐ซ๐๐จ๐๐๐๐ก๐๐ฉ๐ฎ into your ๐๐ฅ๐ฅ๐ก๐๐๐๐ฉ๐๐ค๐ฃ๐จ.
(3) ๐ Enables microservices to ๐๐ค๐ฃ๐ฃ๐๐๐ฉ ๐จ๐๐๐ช๐ง๐๐ก๐ฎ without any changes to the application code.
๐๐พ๐ ๐๐๐ง๐ซ๐๐๐ ๐๐๐จ๐ uses a ๐จ๐๐๐๐๐๐ง ๐ข๐ค๐๐๐ก. This architecture:
(1) encapsulates the code implementing the network functionality into a network proxy and then
(2) relies on traffic from and to services to be redirected into the sidecar proxy.
In Oracle ๐๐ช๐๐๐ง๐ฃ๐๐ฉ๐๐จ ๐๐ฃ๐๐๐ฃ๐ (๐๐๐), the application container sits ๐๐ก๐ค๐ฃ๐๐จ๐๐๐ ๐ฉ๐๐ ๐ฅ๐ง๐ค๐ญ๐ฎ ๐จ๐๐๐๐๐๐ง ๐๐ค๐ฃ๐ฉ๐๐๐ฃ๐๐ง ๐๐ฃ ๐ฉ๐๐ ๐จ๐๐ข๐ ๐ฅ๐ค๐. Since they are in the same pod, they share:
(1) the ๐จ๐๐ข๐ ๐ฃ๐๐ฉ๐ฌ๐ค๐ง๐ ๐ฃ๐๐ข๐๐จ๐ฅ๐๐๐ and
(2) ๐๐ ๐๐๐๐ง๐๐จ๐จ,
allowing the ๐๐ค๐ฃ๐ฉ๐๐๐ฃ๐๐ง๐จ ๐ฉ๐ค ๐๐ค๐ข๐ข๐ช๐ฃ๐๐๐๐ฉ๐ ๐ซ๐๐ โ๐ก๐ค๐๐๐ก๐๐ค๐จ๐ฉ.โ
๐๐ฃ๐๐๐ก๐ ๐๐พ๐ ๐๐๐ง๐ซ๐๐๐ ๐๐๐จ๐ ๐ค๐ฃ ๐ฎ๐ค๐ช๐ง ๐๐ช๐๐๐ง๐ฃ๐๐ฉ๐๐จ ๐๐ฅ๐ฅ๐ก๐๐๐๐ฉ๐๐ค๐ฃ๐จ
https://docs.oracle.com/en/solutions/oci-service-mesh-oke/index.html#GUID-12216A44-2E62-48D8-8C89-864335BE9EF6
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