Modification of the interface between business network and backbone while retain the original model plan.
Modification of the interface between business network and backbone while retain the original model plan.
改造后业务网与骨干网接口仍保持原有模式。
Modification of the interface between business network and backbone while retain the original model plan.
改造后业务网与骨干网接口仍保持原有模式。