The Promina BBS offers a full ATM switching fabric designed to maintain support for existing ATM network traffic. The BBS supports LAN emulation services and complete ATM CoS including CBR, VBR, UBR, ABR and GFR and ATM adaptation layers (AAL) 1, 2 and 5. Support is provided for PVCs SPVCs, SVCs with PNNI and HPNNI routing over physical interfaces ranging from RS530 to OC-48.
The Promina BBS supports transport and delivery of legacy services with enhanced quality of service. The unique IP-to-ATM interworking supports delivery of video-on-demand services via an ATM access network. The BBS enables network operators to offer Transparent LAN Service over ATM, leveraging existing ATM networks to interconnect customer LANs with L2VPNs or to utilize ATM Pseudo Wire Emulation (PWE) to transport a customer's ATM traffic over an IP/MPLS backbone network.