(The global/global construction of SON is in the period of small-scale commercial use. Some operators build ASON commercial and trial commercial networks in the backbone network, such as AT&T, NTT, 360Networks, etc. my country's intelligent optical network equipment has reached the international advanced level, and operators have begun the use and testing of ASON equipment and the construction of ASON commercial experimental networks. It is estimated that ASON will enter a large-scale commercial period in my country after 2010.
_rels\.rels)
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