Downlink/uplink bonding in peered mode - Bonds Internet access lines for all types of traffic (including encrypted traffic such as VPN) for aggregated downlink and uplink capacity when peered over the Internet with another BBNA device located at the headquarter office or data center. For single office setups optional Broadband Bonding Service subscription enables downlink/uplink bonding without requiring any BBNA devices at the headquarter office or data center.

Aggregated downlink capacity in standalone mode - When not peered with another BBNA device, all HTTP downlink sessions use the aggregated bandwidth of the combined Internet access links, even in the case of a single HTTP session. For non-HTTP downlink sessions and all uplink sessions, PortaBella provides session-based intelligent load balancing across the access links in standalone mode.

Link failure recovery & link failover - In case of Internet access line failures, the PortaBella keeps the ongoing sessions alive by retransmitting the lost packets over the available access lines, even for the sessions in progress, without loss of data integrity. Additionally automatic failover protects against failures of one or more access link outages.

Advanced QoS algorithms - All traffic routed through the PortaBella is intelligently managed to prioritize real-time traffic. Additionally a unique set of proprietary algorithms are implemented to improve real-time traffic latency metrics. For low latency, low jitter video applications, video optimization module is required.

DNS load balancing for inbound requests - PortaBella BBNA can be easily configured to provide Dynamic DNS load-balancing for inbound requests for internally hosted servers such as web-server, ftp-server, mail-server etc.

Transparent installation - The existing Local Area Network does not require any changes. No coordination, new equipment or software is needed from the Internet Service Provider(s). A remotely accessable browser-based management interface provides quick and easy configuration and system monitoring.

Additional features include: DHCP server (can be turned off), state-full firewall (can be turned off), port forwarding, DMZ, UPnP support and others.