  Serving as a potential future Internet architecture, Named Data Network (NDN)
offers superior information-centric architectural support for mobile ad-hoc
networking. Using NDN as an underlying protocol, end-user devices (e.g. IoT
device and smart phone) formulate a multi-hop (mesh) network, in which certain
devices play a role of forwarding packets for others and/or act as gateways to
access the Internet. Nevertheless, an autonomous (selfish) node in an ad-hoc
network has two disincentives for forwarding packets for others: energy
expenditure and possible delays for its own data. This paper introduces
Price-based Path-specified Transport Protocol (PPT) for NDN, using blockchain
as a payment platform to support money transfers between autonomous nodes thus
to incentivise packet forwarding. In PPTP, routers advertise their expected
prices for packet forwarding and consumers estimate the costs and select the
appropriate paths for content downloading. PPTP is still an on-going project
therefore this paper will present the design principle and planed functions,
and show how PPTP are related to other existing blockchain-based networking
solutions.
