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Implement Hash-Based Routing #519

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Implement Hash-Based Routing #519

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@hoffmaen hoffmaen commented Nov 11, 2025 •
edited by b1tamara
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Summary

This Pull-Request implements #505.

  • Implement hash-based routing in Gorouter
    • Gorouter routes requests to endpoints based on the value of a configured request header
    • Gorouter distributes requests to different predefined application instances, when the current request count to an app instance exceeds the balance factor
    • Gorouter routes requests to the "next instance" in the lookup table on retries
  • Follow decisions documented in this comment

Backward Compatibility

Breaking Change? Yes/No

a18e and others added 3 commits November 10, 2025 15:26
@a18e @hoffmaen
@b1tamara @Soha-Albaghdady
Implement hash-based routing (cloudfoundry#505)
0ee521d 
This commit provides the basic implementation for hash-based routing. It does not consider the balance factor yet.

Co-authored-by: Clemens Hoffmann <clemens.hoffmann@sap.com>
Co-authored-by: Tamara Boehm <tamara.boehm@sap.com>
Co-authored-by: Soha Alboghdady <soha.alboghdady@sap.com>
@hoffmaen
Add LICENSE information for maglev.go
010c4e0
@b1tamara @hoffmaen
Implement overflow traffic
2d02a51
@hoffmaen hoffmaen mentioned this pull request Nov 11, 2025
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@b1tamara b1tamara force-pushed the hash-based-routing-with-overload branch from 7c44bfe to 2c23efd Compare November 13, 2025 13:05
@hoffmaen hoffmaen force-pushed the hash-based-routing-with-overload branch from 2c23efd to 91f5968 Compare November 13, 2025 13:47
@b1tamara b1tamara mentioned this pull request Nov 14, 2025
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@hoffmaen @a18e @b1tamara