Method for controlling information transmission/reception in automatic exchange optical network and its system
A technology for controlling information and optical networks, applied in the field of optical transmission, can solve problems such as slow convergence speed, inability to meet high-bandwidth communications in ASON networks, and large message traffic
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[0027] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0028] Fig. 1 is in the ASON system of the present invention, between the optical network element 11 and the optical network element 13 through the transmission link 12 that the optical interface STM-N constitutes the communication channel exchange that the R byte of STM-N frame forms control information. Here, the control information may be control signaling 121, link management information 122 or routing information 123, for example, the automatic discovery messages in the link management information 122: Hello, Config, ConfigACK and other messages.
[0029] Next, the method for sending / receiving control information in the ASON system will be further described in conjunction with FIG. 2:
[0030] The sending end-the optical network element 11, extracts the control information and performs corresponding encapsulation, maps it into the R...
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