Well, it’s official. Testing exclusively with best-effort traffic is dead. Today, even the simplest network implements Quality of Service (QoS). Testing with exclusively best-effort traffic used to be acceptable for numerous reasons: Simplification of testing, the experience of the end user, and the premise that more bandwidth solves all problems.
As with all industries, both the people who make the products (network equipment manufacturers) and the people who consume those products (service providers and enterprise) are becoming more sophisticated. As they have correctly deduced, bandwidth cannot solve all problems. In the end game, the winner is the one that can roll out network services first with consistently high Quality of Experience (QoE). In other words, what will prevent the end customer from calling tech support?