Quality of service? What does it mean exactly?
well, businesses use it for things like:
connection1 for emails, ftp
connection2 for web, video streaming, gaming
Not sure if it adds that much of an overhead tbh, not researched that
WOOWEB-PRO V4 can manage up to 16 Internet connections in dedicated, balancing, or fail over mode. The global bandwidth can be distributed evenly to all users, or shared out according to configurable per-user rules, guaranteeing a minimum or a maximum percentage of the global throughput.