| 摘要 |
A method for rejecting a request to alter a connection includes establishing a first connection with a first node and a second connection with a second node. The second connection passes through the first node and has an associated first end-to-end state. The method also includes transmitting, for relay by the first node to the second node, a first request to alter the second connection with the second node so that the second connection will have an associated second end-to-end state. The method additionally includes receiving a rejection message from the first node indicating that the first request to alter the second connection failed. The method further includes transmitting a second request to alter the second connection with the second node to ensure that the second connection is again in the associated first end-to-end state.
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