English: this figure depict a network which is divided into multiple OSPF areas.Notice that all the non-backbone areas are connect to the backbone area(area 0) directly.
{{Information |Description={{en|1=this figure depict a network which is divided into multiple OSPF areas.Notice that all the non-backbone areas are connect to the backbone area(area 0) directly.}} {{zh|1=该图描绘了一个多区域OSPF网络。注意�