The Cost of WAN Technologies
prepared by:
David Hausladen
Harbinder Khera
prepared for:
Ramayya Krishnan
Telecommunications Management
March 6, 1995
H. John Heinz III School of Public Policy and Management
Carnegie Mellon University
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The purpose of this document is to summarize a line of research for the final project in Telecommunications Management. The proposed topic for our project is a survey of WAN technologies and an analysis of their costs. In a time when telecommunications managers have a great deal of choices between technologies, there needs to be information that can support choices among the alternatives. Each WAN alternative will be discussed with respect to the technology involved, the services it can support, and, most importantly, the cost of deploying the technology. This information provides the basis for a cost-based analysis that we perform. The analysis examines pairwise comparisons of technologies positioned to compete with each other for segments of the market with bandwidth requirements in a given range.
The following section presents a brief summary of popular WAN services, both wired and wireless. The last section provides the cost-based analysis.
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Internet
Gaining access to the internet presents a case of applications of WAN technologies to access services available on the internet. CASE STUDY: Cost Analysis of Internet Connectivity In Pittsburgh
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Sources:
- Miller, Mark A., P.E. Internetworking: A guide to Network Communications, 1991, M&T Books, New York, New York.
- Expanding the market for ISDN access, October -94, Telecommunications.
- PSTN Information
- ISDN Definition
- ISDN Services1 and 2
- INTELSAT Satellite Communications
- D. Minoli, Enterprise Networking: Fractional T1 to SONET, Frame Relay to BISDN.
- Advanced Intelligent Networks: Marvin A. Sirbu, Information Networking Institute.
- Technology Overview: Frame Relay, DATAPRO, Communications Series on Broadband Networking.
- Comparing Aternatives Fast Packet Networking Technologies: SMDS vs.802.6, Frame Relay, shared FDDI.
- TDMA vs. CDMA: Telephony, Jan 1994.
- Network Issues for Wireless Communications, IEEE Communications Magazine, Jan-95.
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