In few words, they help online service providers commit to a certain quality of service and indemnify consumers in DSLA tokens when the agreed quality is not met

What do you mean by certain quality? I mean, let's say, Apple has one quality standard, Xiaomi has another - do you evaluate the necessary service level that should be met for every company individually? Or a company sets the quality standard on its own and when this level is not met, customer gets compensated? Sorry for asking, just want to get deeper, cause idea itself looks pretty interesting and promising