BPANet's backbone is composed entirely of fiber-optic connections. BPA's primary network backbone technology is GigaBit Ethernet. Desktop workstations are currently connected to the network backbone using Switched 100 Mbit ethernet, Switched ethernet or standard 10Base-T ethernet technology.
Network protocol routing takes different paths depending on the network protocol type.
By design, IP protocol traffic is optimized to take advantage of faster links within the building and with UA's central computing facility . The 3rd Floor East closet is BPA's main data communications closet. All IP protocol traffic routes via a CoreBuilder 3500 through the building an to the University network and beyond via UA's central computing facility . The link to the campus backbone is also a fiber optic link. The University of Arizona.