updated status code

ahg-g · ahg-g · commit 41d547570277 · 2025-03-13T14:01:01.000Z
diff --git a/docs/proposals/004-endpoint-picker-protocol/README.md b/docs/proposals/004-endpoint-picker-protocol/README.md
@@ -20,7 +20,7 @@ filterMetadata: {
 }
 ```
 
-If the key `x-gateway-destination-endpoint-subset` is set, the EPP MUST only select endpoints from the specified list. If none of the endpoints in the list is eligible or the list is empty, then the EPP MUST return a [ImmediateResponse](https://github.com/envoyproxy/envoy/blob/f2023ef77bdb4abaf9feef963c9a0c291f55568f/api/envoy/service/ext_proc/v3/external_processor.proto#L195) with 429 (Too Many Requests) HTTP status code. If the EPP does not select from the list, then this leads to unpredictable behavior.
+If the key `x-gateway-destination-endpoint-subset` is set, the EPP MUST only select endpoints from the specified list. If none of the endpoints in the list is eligible or the list is empty, then the EPP MUST return a [ImmediateResponse](https://github.com/envoyproxy/envoy/blob/f2023ef77bdb4abaf9feef963c9a0c291f55568f/api/envoy/service/ext_proc/v3/external_processor.proto#L195) with 503 (Service Unavailable) HTTP status code. If the EPP does not select from the list, then this leads to unpredictable behavior.
 
 If the key `x-gateway-destination-endpoint-subset` is not set, then the EPP MUST select from the set defined by the `InferencePool` selector.
 

Original file line number	Diff line number	Diff line change
`@@ -20,7 +20,7 @@ filterMetadata: {`
`20`	`20`	`}`
`21`	`21`	```
`22`	`22`
`23`		-If the key `x-gateway-destination-endpoint-subset` is set, the EPP MUST only select endpoints from the specified list. If none of the endpoints in the list is eligible or the list is empty, then the EPP MUST return a [ImmediateResponse](https://github.com/envoyproxy/envoy/blob/f2023ef77bdb4abaf9feef963c9a0c291f55568f/api/envoy/service/ext_proc/v3/external_processor.proto#L195) with 429 (Too Many Requests) HTTP status code. If the EPP does not select from the list, then this leads to unpredictable behavior.
	`23`	+If the key `x-gateway-destination-endpoint-subset` is set, the EPP MUST only select endpoints from the specified list. If none of the endpoints in the list is eligible or the list is empty, then the EPP MUST return a [ImmediateResponse](https://github.com/envoyproxy/envoy/blob/f2023ef77bdb4abaf9feef963c9a0c291f55568f/api/envoy/service/ext_proc/v3/external_processor.proto#L195) with 503 (Service Unavailable) HTTP status code. If the EPP does not select from the list, then this leads to unpredictable behavior.
`24`	`24`
`25`	`25`	If the key `x-gateway-destination-endpoint-subset` is not set, then the EPP MUST select from the set defined by the `InferencePool` selector.
`26`	`26`