VPLS can be used to transport Ethernet frames to and from multiple, geographically dispersed sites belonging to a customer Virtual Private Network (VPN). The Provider Edge (PE) devices connecting the customer sites provide functions similar to a Layer 2 switch.
Equivalent Ranks to an Army Master Sergeant A Master Sergeant is a Noncommissioned Officer, with a military paygrade of E-8. The civilian equivalent of this military rank is roughly GS-6 under the federal government's General Schedule payscale.
In most armies the rank of sergeant corresponds to command of a squad (or section). In Commonwealth armies, it is a more senior rank, corresponding roughly to a platoon second-in-command. In the United States Army, sergeant is a more junior rank corresponding to a four-man fireteam leader.