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Provision of Communication Services over Hybrid Networks |
True Number Portability and Advanced Call Screening in a SIP-Based IP Telephony System
The authors demonstrate how personal information can be coupled with an IP telephony service to provide user-customized call handling by the network.
Ismail Dalgic, Michael Borella, Rick Dean, Jacek Grabiec, Jerry Mahler, Guido Schuster, and Ikhlaq Sidhu
Enabling Hybrid Services in Emerging Data Networks
This article describes the nature of the enhanced emerging networks and outlines the structure of a service platform that would support its functions.
George Vanecek, Nelu Mihai, Nino Vidovic, and Dalibor Vrsalovic
A Programmable Architecture for the Provision of Hybrid Services
The authors propose an architecture for the provision of hybrid services that span multiple networks, especially IP-based networks and the telephone and cellular networks.
Constant Gbaguidi, Jean-Pierre Hubaux, Maher Hamdi, and Asser N. Tantawi
Supplementary Services in the H.323 IP Telephony Network
With the revolution of multimedia in the computer industry, voice, video, and data are now being carried on both circuit-switched telephone and packet networks.
Markku Korpi and Vineet Kumar
Speech Transmission Performance Planning in Hybrid IP/SCN Networks
TDM transmission and ATM switching are established as two wide area core network technologies, operating in conjunction at different layers of the protocol stack.
Mark E. Perkins, Charles A. Dvorak, Barry H. Lerich, and Joseph A. Zebarth
On Applying Formal Techniques to the Development of Hybrid Services: Challenges and Directions
The authors discuss some concerns for the application of formality in an industrial environment.
Xavier Logean, Falk Dietrich, Jean-Pierre Hubaux, Sylvain Grisouard, and Pierre-Alain Etique
Broadband Satellite Network Performance
NASA's Broadband Satellite Networking Research
This article summarizes some of the major experiments and demonstrations performed using protocols such as ATM and TCP/IP over broadband satellite networks.
William D. Ivancic, David Brooks, Brian Frantz, Doug Hoder, Dan Shell, and David Beering
Modeling and Simulation of Broadband Satellite Networks
Part II: Traffic Modeling
Three traffic modeling areas for satellite network simulation are identified, and an effective and flexible traffic model is proposed for each area.
Bo Ryu
Performance Evaluation of TCP Extensions on ATM over High Bandwidth Delay Product Networks
Comparison studies of TCP/IP on ATM networks over a high-speed satellite link with the same host/traffic configurations over local area and wide area networks are presented.
Charalambos P. Charalambous, Victor S. Frost, and Joseph B. Evans
TCP/IP Enhancements for Satellite Networks
This article presents various solutions to the challenges faced by the TCP/IP protocol in satellite environments and discusses possible trade-offs.
Nasir Ghani and Sudhir Dixit
The Development of Performance and Availability Standards for Satellite ATM Networks
ITU-R Working Party 4B is developing recommendations that deal with the performance of ATM over satellites.
Enrique G. Cuevas
A Review of Error Performance Models for Satellite ATM Networks
Error modeling and analysis of ITU-T Recommendations G.826 and I.356 performance criteria and satellite design principles are reviewed.
João Célio Brandão, Ernesto Leite Pinto, and Marco A. G. Maia
A Satellite-Switched CDMA System for Fixed Service Communications
The authors discuss SS/CDMA, a system proposed for geostationary fixed satellite service.
Diakoumis Gerakoulis, Robert Miller, Saeed Ghassemzadeh, and Evaggelos Geraniotis
IP and Telecommunication Integration: De Jure and De Facto Standards Have Entered a New Era
This article provides the new trends in standards/specifications of organizations, including ITU-T, ATM-F, DAVIC, TIPHON, and others, on IP-related technologies.
Koichi Asatani