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Opportunistic information distribution in challenged networks
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International Conference on Mobile Computing and Networking archive
Proceedings of the third ACM workshop on Challenged networks table of contents
San Francisco, California, USA
SESSION: Data and information forwarding table of contents
Pages 97-104  
Year of Publication: 2008
Ryan Metzger  Lehigh University, Bethlehem, PA, USA
Mooi Choo Chuah  Lehigh University, Bethlehem, USA
SIGMOBILE: ACM Special Interest Group on Mobility of Systems, Users, Data and Computing
ACM: Association for Computing Machinery
ACM  New York, NY, USA
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Mobile nodes in some challenging network scenarios suffer from intermittent connectivity and frequent partitions e.g. battlefield and disaster recovery scenarios. Disruption Tolerant Network (DTN) technologies are designed to enable nodes in such environments to communicate with one another. Several DTN routing schemes have been proposed. In order for the DTN technology to be useful, enhancements need to be made to legacy applications e.g. emails, web browsers, instant messaging etc to enable such applications to work over DTNs. In this paper, we present a DTN Jabber proxy which we have developed to allow mobile devices to run Jabber applications over DTN. Our proxy can identify group chat messages which enable our prototype to perform last mile multicast and hence minimize the wireless bandwidth usage.


Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

K. Fall, "A delay tolerant network architecture for challengednetworks", Proceedings of ACM Sigcomm, 2003..
V. Cerf et al, "Delay Tolerant Networking Architecture", RFC4838, April, 2007
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P. Saint--Andre, Ed. "Extensible Message and Presence Protocol (XMPP): Core", RFC3920, Oct 2004
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J. Myers, "Simple Authentication and Security Layer (SASL)", Oct, 1997
XMPP Extensions,
DTN2 Reference Implementation,

Collaborative Colleagues:
Ryan Metzger: colleagues
Mooi Choo Chuah: colleagues