| 摘要 |
A method of negotiating a reconfiguration of a communication link in a communications system, the communications link carrying a communication connection between a first network element and an interim network element for transfer of data between the first network element and a second network element via the interim network element, the method comprising the steps of: determining a requirement for a reconfiguration of the link to a state in which it has a new characteristic; initiating negotiation between the first network element and the interim network element for reconfiguration of the link, in response to the initiation of negotiation, triggering a communication between the first network element and the second network element to determine whether the first network element and the second network element accept the connection between them over a link having the new characteristic, and in dependence on that communication accepting or rejecting the reconfiguration; and if the reconfiguration is accepted, performing the reconfiguration of the link.
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