Bundle protocol mail convergence layer: leveraging legacy internet infrastructure for DTNs

Authors:
Sebastian Schildt;Björn Gernert;Lars Wolf
Affiliations:
TU Braunschweig, Braunschweig, Germany;TU Braunschweig, Braunschweig, Germany;TU Braunschweig, Braunschweig, Germany
Venue:
Proceedings of the 8th ACM MobiCom workshop on Challenged networks
Year:
2013

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Abstract

In the past many research prototypes employed a DTN to provide mail services to remote areas. This work proposes the opposite: Using SMTP and IMAP to transport the Bundle Protocol (BP). Despite the obvious feasibility of such a scheme, we will show that the Mail Convergence Layer (MCL) provides advantages over other Convergence Layers and can qualitatively enhance the capabilities of a DTN. Each DTN node has an associated mailbox that can be used to deposit bundles, if the node is absent. In this case a mail server effectively acts as an intermediate always-on DTN node without the need to deploy a BP router. We will present the motivation and the concept of the MCL as well as an open-source implementation.