1 research outputs found
SDN based testbeds for evaluating and promoting multipath TCP
Multipath TCP is an experimental transport proto-
col with remarkable recent past and non-negligible future poten-
tial. It has been standardized recently, however the evaluation
studies focus only on a limited set of isolated use-cases and
a comprehensive analysis or a feasible path of Internet-wide
adoption is still missing. This is mostly because in the current
networking practice it is unusual to configure multiple paths
between the endpoints of a connection. Therefore, conducting and
precisely controlling multipath experiments over the real “inter-
net” is a challenging task for some experimenters and impossible
for others. In this paper, we invoke SDN technology to make
this control possible and exploit large-scale internet testbeds to
conduct end-to-end MPTCP experiments. More specifically, we
establish a special purpose control and measurement framework
on top of two distinct internet testbeds. First, using the OpenFlow
support of GÉANT, we build a testbed enabling measurements
with real traffic. Second, we design and establish a publicly
available large-scale multipath capable measurement framework
on top of PlanetLab Europe and show the challenges of such
a system. Furthermore, we present measurements results with
MPTCP in both testbeds to get insight into its behavior in such
not well explored environment