Publications in Scientific Journals
C. Egger, M Happenhofer, J. Fabini, P. Reichl:
"Collapse Detection and Avoidance for SIP Architectures";
PIK,
35
(2012),
35;
91
- 99.
More information
M Happenhofer, J. Fabini, C. Egger, M. Hirschbichler:
"An Architectural and Evaluative Review of Implicit and Explicit SIP Overload Handling";
International Journal of Measurement Technologies and Instrumentation Engineering (IJMTIE) (invited),
International Journal of Measurement Technologies and Instrumentation Engineering (IJMTIE)
(2011),
Volume 1, Issue 4;
12
- 27.
More information
L. Wallentin, M Happenhofer, C. Egger, J. Fabini:
"XML meets Simulation: Concepts and Architecture of the IBKSim Network Simulator";
Eurosim - Simulation News Europe,
20
(2010),
1;
16
- 20.
More information
C. Egger, M. Hirschbichler:
"Safe Call";
Linux Magazine,
99
(2009),
02;
22
- 26.
C. Egger, M. Hirschbichler:
"VoIP Security";
Linux Magazin - Technical Review,
Security
(2008),
10;
54
- 61.
M. Hirschbichler, C. Egger:
"SPIT - Unerwünschte Anrufe";
Linux Magazin - Technical Review,
Spam
(2008),
7;
116
- 124.
Talks and Poster Presentations (with Proceedings-Entry)
M. Hirschbichler, J. Fabini, B. Seifert, C. Egger:
"Stop the Flood - Perimeter Security- and Overload-Pre-evaluation";
Talk: The 12th Internation Conference on Next Generation Wired/Wireless Advanced Networking,
St. Petersburg;
08-27-2012
- 08-29-2012; in: "Internet of Things, Smart Spaces and Next Generation networking",
Springer,
LNCS 7469
(2012),
ISBN: 978-3-642-32685-1;
359
- 370.
More information
C. Egger, M Happenhofer, M. Hirschbichler:
"A Study of SIP Proxy Load Patterns";
Talk: Measurements & Networking 2011,
Anacapri, Italy;
10-10-2011
- 10-11-2011; in: "The IEEE International Workshop M&N 2011",
(2011),
ISBN: 978-1-4577-0456-7;
6 pages.
More information
C. Egger, M Happenhofer, P. Reichl:
"SIP Proxy High-Load Detection by Continuous Analysis of Response Delay Values";
Talk: 2011 International Conference on Software, Telecommunications and Computer Networks (SoftCOM),
Hvar, Croatia;
09-15-2011
- 09-17-2011; in: "2011 International Conference on Software, Telecommunications and Computer Networks",
(2011),
5 pages.
More information
C. Egger, M. Hirschbichler, P. Reichl:
"Enhancing SIP Performance by Dynamic Manipulation of Retransmission Timers";
Talk: 6. GI/ITG-Workshop MMBnet 2011,
Universität Hamburg;
09-15-2011
- 09-16-2011; in: "Leistungs-, Zuverlässigkeits- und Verlässlichkeitsbewertung von Kommunikationsnetzen und verteilten Systemen",
B. Wolfinger, K. Heidtmann (ed.);
Universität Hamburg, Fachbereich Informatik, Vogt-Kölln-Straße 30, D-22527 Hamburg,
Bericht 298
(2011),
47
- 54.
More information
M Happenhofer, C. Egger:
"Implicit SIP Proxy Overload Detection Mechanism based on Response Behavior";
Talk: 2011 International Conference on Software, Telecommunications and Computer Networks (SoftCOM),
Hvar, Croatia;
09-15-2011
- 09-17-2011; in: "2011 International Conference on Software, Telecommunications and Computer Networks",
(2011),
5 pages.
More information
M Happenhofer, C. Egger, P. Reichl:
"Quality of signalling: A new concept for evaluating the performance of non-INVITE SIP transactions";
Talk: 22nd International Teletraffic Congress (ITC), 2010,
Amsterdam;
09-07-2010
- 09-09-2010; in: "22nd International Teletraffic Congress (ITC), 2010",
(2010),
ISBN: 978-1-4244-8837-7;
1
- 8.
More information
L. Wallentin, J. Fabini, C. Egger, M Happenhofer:
"Cashflow: A Channel-Oriented, Credit-Based Virtual Currency System for Establishing Fairness in Ad-Hoc Networks with Selfish Nodes";
Talk: ADHOCNET 2010,
Victoria, British Columbia, Canada;
08-18-2010
- 08-20-2010; in: "ADHOCNET2010",
ICST,
(2010),
ISBN: 978-963-9799-96-7;
16 pages.
More information
C. Egger, M Happenhofer, J. Fabini, P. Reichl:
"BIQINI: A Flow-based QoS Enforcement Architecture for NGN Services";
Talk: 2nd Open NGN and IMS Testbeds Workshop @ TRIDENTCOM 2010,
Berlin;
05-18-2010; in: "Proceedings CD of the 6th International ICST Conference on Testbeds and Research Infrastructures for the Development of Networks and Communities",
ICST Gent,
(2010),
ISBN: 978-963-9799-92-9;
16 pages.
More information
L. Wallentin, J. Fabini, C. Egger, M Happenhofer:
"A Cross-Layer Route Discovery Strategy for Virtual Currency Systems in Mobile Ad Hoc Networks";
Talk: Seventh International Conference on Wireless On-demand Network Systems and Services (WONS 2010),
Kranjska Gora, Slovenia;
02-03-2010
- 02-05-2010; in: "Proceedings of the Seventh International Conference on Wireless On-demand Network Systems and Services (WONS 2010)",
(2010),
ISBN: 978-1-4244-6060-1;
91
- 98.
More information
M. Hirschbichler, C. Egger, O. Pasteka, A. Berger:
"Using E-Mail SPAM DNS Blacklists for qualifying the SPIT-Probability of a SIP Call";
Talk: ICDS '09,
Cancun, Mexico;
02-01-2009
- 02-08-2009; in: "Digital Society, 2009. ICDS '09. Third International Conference on",
(2009),
254
- 259.
More information
P. Reichl, J. Fabini, M Happenhofer, C. Egger:
"From QoS to QoX: A Charging Perspective";
Talk: 18th ITC Specialist Seminar on Quality of Experience,
Karlskrona, Sweden;
05-29-2008
- 05-30-2008; in: "Proceedings of the 18th ITC Specialist Seminar on Quality of Experience",
Proceedings 18th ITC Specialist Seminar on Quality of Experience,
Blekinge Institute of Technology, Research Report No. 2008:03
(2008),
ISSN: 1103-1581;
35
- 44.
More information
J. Fabini, P. Reichl, C. Egger, M Happenhofer, M. Hirschbichler, L. Wallentin:
"Generic Access Network Emulation for NGN Testbeds";
Talk: 2008 4th International Conference on Testbeds and Research Infrastructure for the Development of Networks & Communities (Trident Com2008),
Innsbruck, Österreich (invited);
03-18-2008
- 03-20-2008; in: "Proceedings of the 2008 4th International Conference on Testbeds and Research Infrastructure for the Development of Networks & Communities",
(2008),
ISBN: 9789639799240;
Paper ID 3135,
10 pages.
More information
Doctor's Theses (authored and supervised)
C. Egger:
"Improvement Strategies for the Signaling Performance of the Session Initiation Protocol";
Supervisor, Reviewer: P. Reichl, H.R. van As;
E389,
2012;
oral examination: 07-05-2012.
Diploma and Master Theses (authored and supervised)
C. Egger:
"A Charging Prototype for the IP Mulitmedia Subsystem";
Supervisor: J. Fabini;
Institut für Breitbandkommunikation,
2006.
More information