Overview of the BonAHA framework for applications running in opportunistic wireless ad-hoc networks. Uses Apple's Bonjour (ZeroConf) technology. This was the presentation made at the IEEE CCNC 2009 conference.

1. BonAHA : Service Discovery Framework for Mobile Ad-Hoc Applications Suman Srinivasan, Arezu Moghadam, Henning Schulzrinne Internet Real Time Lab, Columbia University, New York, USA IEEE CCNC 2009: M1-2 Personal Ad Hoc and Sensor Networks

10. register() function

11. BonAHA framework Node 2 Node 1 key21 = value21 key22 = value22 key23 = value23 key24 = value24 key11 = value11 key12 = value12 key13 = value13 key14 = value14 [2] node1.get(key13) [1] node1.register() [3] data = node1.fileGet( value13);

12. TXTRecord DNSRegistration RegisterListener serviceRegistered() DNSSDService BrowseListener serviceFound() serviceLost() DNSSDService ResolveListener serviceResolved() DNSSD.resolve() DNSSD.register() TXTRecord Host IP DNSSD.browse() set() Bonjour State Diagram

13. BService BListener serviceUpdated() set() register() setListener() serviceExited() BNode get() getHostName() getHostAddress() BonAHA State Diagram

15. Code: LocationFinder

16. Compare: Bonjour Code

27. Backup Slides

34. Related Work - LightPeers http://www.daimi.au.dk/~bentor/LightPeers/

35. TXTRecord DNSRegistration RegisterListener serviceRegistered() DNSSDService BrowseListener serviceFound() serviceLost() DNSSDService ResolveListener serviceResolved() DNSSD.resolve() DNSSD.register() TXTRecord Host IP DNSSD.browse() set() Bonjour State Diagram

36. BService BListener serviceUpdated() set() register() setListener() serviceExited() BNode get() getHostName() getHostAddress() BonAHA State Diagram