ABR : OSPF Area Border Router (ABR). ACL : Access control lists (ACL) applied at the VLan route point or at the UW-Internet Border Gateway (BGP interface). CIFS : Common Internet File System Access KRB-NFS : Kerberized NFS Access SCS : David R. Cheriton School of Computer Science VPN : Virtual Private Network (VPN) service Black Lines : 1Gb network connectivity Blue Thicker Lines : 10Gb network connectivity.