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Ralf Ackermann
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Publications
- 2005
- [p1]Luka Divac-Krnic, Ralf Ackermann:
Security-Related Issues in Peer-to-Peer Networks. Peer-to-Peer Systems and Applications 2005: 529-545 - 2004
- [c13]Manuel Görtz, Ralf Ackermann, Ralf Steinmetz:
Enhanced SIP Communication Services by Context Sharing. EUROMICRO 2004: 272-279 - [c12]Manuel Görtz, Ralf Ackermann, Johannes Schmitt, Ralf Steinmetz:
Context-aware Communication Services: A Framework for Building Enhanced IP Telephony Services. ICCCN 2004: 535-540 - [c11]Manuel Görtz, Ralf Ackermann, Ralf Steinmetz:
The Digital Call Assistant: Determine Optimal Time Slots for Calls. MIPS 2004: 230-241 - 2003
- [c10]Manuel Görtz, Ralf Ackermann, Andreas Mauthe, Ralf Steinmetz:
Using Context Information to Avoid Service Interactions in IP Telephony. MIPS 2003: 340-351 - 2002
- [j2]Jana Dittmann, Martin Steinebach, Petra Wohlmacher, Ralf Ackermann:
Digital Watermarks Enabling E-Commerce Strategies: Conditional and User Specific Access to Services and Resources. EURASIP J. Adv. Signal Process. 2002(2): 174-184 (2002) - [c9]Manuel Görtz, Ralf Ackermann, Martin Karsten, Ralf Steinmetz:
Using a Multi-Layer Approach to Tackle the Service Interaction Problem in Telephony Scenarios. EUROMICRO 2002: 207-215 - 2001
- [j1]Utz Roedig, Ralf Ackermann, Ralf Steinmetz:
IP-Telefonie und Firewalls, Probleme und Lösungen. Prax. Inf.verarb. Kommun. 24(1): 32-40 (2001) - [c8]Ralf Ackermann, Markus Schumacher, Utz Roedig, Ralf Steinmetz:
Vulnerabilities and Security Limitations of current IP Telephony Systems. Communications and Multimedia Security 2001 - [c7]Jana Dittmann, Petra Wohlmacher, Ralf Ackermann:
Conditional Access for Business and M-Commerce Applications using Annotation Watermarks. Communications and Multimedia Security 2001 - 2000
- [c6]Ralf Ackermann, Vasilios Darlagiannis, Utz Roedig, Ralf Steinmetz:
Using DMIF for Abstracting from IP-Telephony Signaling Protocols. IDMS 2000: 104-115 - [c5]Ralf Ackermann, Utz Roedig, Michael Zink, Carsten Griwodz, Ralf Steinmetz:
Associating network flows with user and application information. ACM Multimedia Workshops 2000: 149-152 - 1999
- [c4]Ralf Ackermann, Jörg Pommnitz, Lars C. Wolf, Ralf Steinmetz:
MBone2Tel - Telephone Users Meeting the MBone. IDMS 1999: 121-132 - [c3]Christoph Rensing, Utz Roedig, Ralf Ackermann, Lars C. Wolf, Ralf Steinmetz:
VDMFA, eine verteilte dynamische Firewallarchitektur für Multimedia-Dienste. Kommunikation in Verteilten Systemen 1999: 144-157
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