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DTN-RPC: Remote Procedure Calls for Disruption-Tolerant Networking

Sterz, Artur and Baumgärtner, Lars and Mogk, Ragnar and Mezini, Mira and Freisleben, Bernd (2017):
DTN-RPC: Remote Procedure Calls for Disruption-Tolerant Networking.
In: 16th International IFIP TC6 Networking Conference, Networking 2017, Stockholm, June 12-16, 2017, [Online-Edition: http://networking.ifip.org/2017/],
[Conference or Workshop Item]

Abstract

Remote Procedure Calls (RPCs) realize client-server interactions via a request-response message-passing protocol. They simplify distributed application programming by eliminating the need for explicitly having to code the details of a remote interaction. However, none of the existing RPC implementations are designed to work properly for Delay/Disruption-Tolerant Networking (DTN) where network connectivity is periodic, intermittent, and prone to disruptions. In this paper, we present DTN- RPC, a new approach to provide RPCs for DTN environments. DTN-RPC relies on (a) control and data channels to cope with potentially short contact durations in DTN where large amounts of data cannot be transmitted, (b) explicit and implicit modes to address remote servers, (c) Non-DTN and DTN transport protocols for issuing calls and receiving results, and (d) predicates that servers check to decide whether a procedure should be executed. The implementation of DTN-RPC is based on Serval, an open-source, disruption-tolerant wireless ad-hoc networking system. Our experimental results indicate that the measured CPU and network overheads for DTN-RPC are reasonably low so that it can be executed on smartphones or routers, and that the round-trip times and the number of successful RPCs are highly satisfactory in dynamic networks with unstable links.

Item Type: Conference or Workshop Item
Erschienen: 2017
Creators: Sterz, Artur and Baumgärtner, Lars and Mogk, Ragnar and Mezini, Mira and Freisleben, Bernd
Title: DTN-RPC: Remote Procedure Calls for Disruption-Tolerant Networking
Language: English
Abstract:

Remote Procedure Calls (RPCs) realize client-server interactions via a request-response message-passing protocol. They simplify distributed application programming by eliminating the need for explicitly having to code the details of a remote interaction. However, none of the existing RPC implementations are designed to work properly for Delay/Disruption-Tolerant Networking (DTN) where network connectivity is periodic, intermittent, and prone to disruptions. In this paper, we present DTN- RPC, a new approach to provide RPCs for DTN environments. DTN-RPC relies on (a) control and data channels to cope with potentially short contact durations in DTN where large amounts of data cannot be transmitted, (b) explicit and implicit modes to address remote servers, (c) Non-DTN and DTN transport protocols for issuing calls and receiving results, and (d) predicates that servers check to decide whether a procedure should be executed. The implementation of DTN-RPC is based on Serval, an open-source, disruption-tolerant wireless ad-hoc networking system. Our experimental results indicate that the measured CPU and network overheads for DTN-RPC are reasonably low so that it can be executed on smartphones or routers, and that the round-trip times and the number of successful RPCs are highly satisfactory in dynamic networks with unstable links.

Divisions: DFG-Collaborative Research Centres (incl. Transregio)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > A: Construction Methodology
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > A: Construction Methodology > Subproject A2: Design
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > B: Adaptation Mechanisms
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > B: Adaptation Mechanisms > Subproject B3: Economics of Adaption
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > C: Communication Mechanisms
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1053: MAKI – Multi-Mechanisms Adaptation for the Future Internet > C: Communication Mechanisms > Subproject C5: Context-Centered Perspective
Event Title: 16th International IFIP TC6 Networking Conference, Networking 2017
Event Location: Stockholm
Event Dates: June 12-16, 2017
Date Deposited: 05 Jul 2017 12:06
Official URL: http://networking.ifip.org/2017/
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