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+# QUARKUS-658 - Reactive REST client - support HTTP/2
+
+JIRA: https://issues.redhat.com/browse/QUARKUS-658
+
+PR: https://github.com/quarkusio/quarkus/pull/31192
+
+Upstream issue: https://github.com/quarkusio/quarkus/issues/13969
+
+Quarkus should be able to use http/2 on client side to be able to comunicate with other microservices.
+
+## Scope of the testing
+The scope of the tests will cover the usage of reactive rest client inside Quarkus. The complex scenarios like sending requests to different APIs/microservices won't be covered.
+
+Scope in point will be:
+- Run Quarkus application and send requests using `http/2` to verify that server response with `http/2`. 
+- Run Quarkus application with enabled Application-Layer Protocol Negotiation (alpn) to verify that correct http version is used.
+- Check the usecases using HTTP and HTTPS.
+
+These points will be covered for a single REST client and all REST clients to verify these properties:
+
+```
+// All REST clients
+quarkus.rest-client.http2=true
+quarkus.rest-client.alpn=true
+
+// Single REST Client:
+quarkus.rest-client.extensions-api.http2=true
+quarkus.rest-client.extensions-api.alpn=true
+```
+
+New tests will be run in jvm and native mode.
+
+## Existing test coverage
+- We already have tests for http/2 client side to test client sync and async. These tests are both in reactive and non-reactive modules and are disabled.
+	- Non-reactive tests will be removed as only reactive client should be used.
+	- Reactive tests need to be updated as they are failing.
+
+### Impact on test suites and testing automation
+- New tests will be added inside [http/rest-client-reactive](https://github.com/quarkus-qe/quarkus-test-suite/tree/main/http/rest-client-reactive) module.
+
+### Impact on resources
+- There will be longer tests execution for jvm and native runs of QE TS.
+
+## Contacts
+- Tester: Jakub Jedlička <jjedlick@redhat.com>
+
+## References
+- [PR quarkusio/quarkus#31192](https://github.com/quarkusio/quarkus/pull/31192)
+- [Issue quarkusio/quarkus#13969](https://github.com/quarkusio/quarkus/issues/13969)