You have a router running BGP for the MPLS network and OSPF for the local LAN network at the sales office.

有一个路由器在MPLS上运行BGP协议， 在销售办公室内部网络上使用OSPF协议。

youdao

We have plenty of band with a long distance and thanks to local area networks like my own baby Ethernet, we have plenty of bandwidth in local area that was inside of buildings. But there is a gap, there is a gap between the LAN, the local area network, and the WAN, the Wide Area Network.

我们有大量长距离网带,多亏了局域网，就像我的宝贝,以太网，我们在本地有大量的带宽,那都在建筑物内部的，但是这儿有空白,在LAN之间有空白地带，即局域网,以及WAN，广域网。

麻省理工公开课 - 媒体、教育、市场课程节选

Cheetham, who sings bass with a choir in Holmfirth in West Yorkshire, told CNN that he first had the idea several years ago, while working on a contract investigating speech over wireless Local Area Networks (LAN).

CNN: Musicians aim to create virtual choir