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[Core][KV-transfer] MoRIIO: multi-node TP prefill→decode dispatch via published host list #45228

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[Core][KV-transfer] MoRIIO: multi-node TP prefill→decode dispatch via published host list #45228

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da91d03
[Core][KV-transfer] MoRIIO: multi-node TP prefill→decode dispatch via…
chaeminlim-mb Jul 3, 2026
fa888fe
[Core][KV-transfer] MoRIIO: validate request_id-derived peer host
chaeminlim-mb Jul 7, 2026
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14 changes: 14 additions & 0 deletions examples/disaggregated/disaggregated_serving/moriio_toy_proxy_server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,7 @@ def _listen_for_register(hostname, port):
"dp_size": data["dp_size"],
"tp_size": data["tp_size"],
"transfer_mode": data["transfer_mode"],
"node_hosts": data.get("node_hosts", []),
}
# zmq_address format: "host:IP,handshake:PORT,notify:PORT"
# Stored verbatim; embedded into the request_id by handle_request.
Expand Down Expand Up @@ -277,6 +278,11 @@ async def handle_request(api: str, request: Request):
decode_instance_endpoint["tp_size"]
)
req_data_to_prefill["kv_transfer_params"]["transfer_id"] = transfer_id
decode_hosts = decode_instance_endpoint.get("node_hosts") or []
if decode_hosts:
req_data_to_prefill["kv_transfer_params"]["remote_hosts"] = list(
decode_hosts
)

prefill_request_url = prefill_instance_endpoint["request_address"] + api
send_prefill_task = asyncio.create_task(
Expand Down Expand Up @@ -308,13 +314,21 @@ async def handle_request(api: str, request: Request):
"remote_block_ids"
]
req_data["kv_transfer_params"]["transfer_id"] = prefill_kv["transfer_id"]
req_data["kv_transfer_params"]["remote_hosts"] = prefill_kv.get(
"remote_hosts"
)

prefill_hosts = prefill_instance_endpoint.get("node_hosts") or []
if prefill_hosts:
req_data["kv_transfer_params"]["remote_hosts"] = list(prefill_hosts)

req_data["kv_transfer_params"]["remote_dp_size"] = prefill_instance_endpoint[
"dp_size"
]
req_data["kv_transfer_params"]["remote_tp_size"] = prefill_instance_endpoint[
"tp_size"
]
req_data["kv_transfer_params"]["tp_size"] = prefill_instance_endpoint["tp_size"]

if selected_prefill_dp_rank is not None:
req_data["kv_transfer_params"]["remote_dp_rank"] = selected_prefill_dp_rank
Expand Down
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