Create ExpressRoute Circuit -
This template creates an ExpressRoute Circuit for a specified Service Provider and SKU.
Refer to https://azure.microsoft.com/en-us/documentation/articles/expressroute-introduction/ for more details on ExpressRoute and Circuits.
Refer to https://azure.microsoft.com/en-us/pricing/details/expressroute/ for more details on pricing/SKU of ExpressRoute.
Refer to https://azure.microsoft.com/en-us/documentation/articles/expressroute-locations/ for ExpressRoute partners and peering locations list.