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Revert "rename SERVER_BUSY to CONNECTION_REFUSED" #3704

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Revert "rename SERVER_BUSY to CONNECTION_REFUSED" #3704

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11 changes: 6 additions & 5 deletions draft-ietf-quic-transport.md
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Expand Up @@ -1206,8 +1206,9 @@ If the packet is an Initial packet fully conforming with the specification, the
server proceeds with the handshake ({{handshake}}). This commits the server to
the version that the client selected.

If a server refuses to accept a new connection, it SHOULD send an Initial packet
containing a CONNECTION_CLOSE frame with error code CONNECTION_REFUSED.
If a server isn't currently accepting any new connections, it SHOULD send an
Initial packet containing a CONNECTION_CLOSE frame with error code
SERVER_BUSY.

If the packet is a 0-RTT packet, the server MAY buffer a limited number of these
packets in anticipation of a late-arriving Initial packet. Clients are not able
Expand Down Expand Up @@ -5935,9 +5936,9 @@ INTERNAL_ERROR (0x1):
: The endpoint encountered an internal error and cannot continue with the
connection.

CONNECTION_REFUSED (0x2):
SERVER_BUSY (0x2):

: The server refused to accept a new connection.
: The server is currently busy and does not accept any new connections.

FLOW_CONTROL_ERROR (0x3):

Expand Down Expand Up @@ -6786,7 +6787,7 @@ The initial contents of this registry are shown in {{iana-error-table}}.
|:------|:--------------------------|:------------------------------|:----------------|
| 0x0 | NO_ERROR | No error | {{error-codes}} |
| 0x1 | INTERNAL_ERROR | Implementation error | {{error-codes}} |
| 0x2 | CONNECTION_REFUSED_ERROR | Server refuses a connection | {{error-codes}} |
| 0x2 | SERVER_BUSY | Server currently busy | {{error-codes}} |
| 0x3 | FLOW_CONTROL_ERROR | Flow control error | {{error-codes}} |
| 0x4 | STREAM_LIMIT_ERROR | Too many streams opened | {{error-codes}} |
| 0x5 | STREAM_STATE_ERROR | Frame received in invalid stream state | {{error-codes}} |
Expand Down