Thank you very much, this was informative and helpful. As a non-native speaker it is indeed sometimes difficult to find the right tone. (I wrote this before I saw that the thread forked children.) | (Meta: we're discussing grammar nitpicks to a standards-track | update to an aspect of a protocol that's currently on life | support with a hack to get through NAT via UDP tunnelling to | try and get some installed base? When did the IETF jump the | shark?) | Even with that life support I would not expect a huge user base. A value exists somewhere else -- as a test platform for new algorithms. Thanks to the infrastructure developed by Arnaldo Carvalho de Melo there is a deployable DCCP implementation in a Linux kernel near you. It may help in developing algorithms for real problems, such as bufferbloat, or congestion control in mesh networks: testing with real prototypes instead of the over-used ns-2.