docs: document model name-based routing for LLMInferenceService

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
68/100
Issue type
Documentation
Clarity
Mostly clear
Activity status
Quiet
Domain
documentation

Research direction

Start by reading the related PR #5521 and the existing Envoy AI Gateway integration documentation. Document generic X-Gateway-Model-Name routing, configurable header names, LoRA adapter routing, shared-gateway deployments, llm-d BBR or gateway-native integrations, and -model-routing status addresses; done means each listed behavior is covered.

Written by the indexing model from the issue text.

Description

Summary

KServe v0.19 added model name-based routing for LLMInferenceService, enabling shared-gateway deployments. While the Envoy AI Gateway integration documents x-ai-eg-model header routing, the generic X-Gateway-Model-Name header routing is not documented.

What needs to be documented

  • How model name-based routing works with the X-Gateway-Model-Name header
  • Configurable header name
  • How LoRA adapter requests are automatically routed through the same backend by dynamically expanding header matches
  • Shared-gateway deployment pattern where a single gateway dispatches to multiple models
  • Integration with components like llm-d BBR (IPP) or gateway-specific native features
  • -model-routing suffix address types in status

Related PR

Since

KServe v0.19

Dominant language
MDX
Stars
113
Forks
200
Avg merge
5d 13h
Merged PRs (30d)
9

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