Painless Security Deutsche Telekom AG Deutsche Telekom AG France Telecom China Mobile Huawei Huawei Bandwidth aggregation capabilities for Internet access services can significantly improve end user's Quality of Experience. Such capabilities are especially attractive in environments where multi- interfaced boxes become commonplace and can technically connect to various access networks, both wired and wireless. This document describes the problems with bandwidth aggregation for Internet access. A set of requirements are derived from the said problems.