This paper has benefited from the detailed and perceptive comments of our reviewers, especially our shepherd Hank Levy. We thank Randy Katz and Eric Anderson for their detailed readings of early drafts of this paper, and David Culler for his ideas on TACC's potential as a model for cluster programming. Ken Lutz and Eric Fraser configured and administered the test network on which the TranSend scaling experiments were performed. Cliff Frost of the UC Berkeley Data Communications and Networks Services group allowed us to collect traces on the Berkeley dialup IP network and has worked with us to deploy and promote TranSend within Berkeley. Undergraduate researchers Anthony Polito, Benjamin Ling, and Andrew Huang implemented various parts of TranSend's user profile database and user interface. Ian Goldberg and David Wagner helped us debug TranSend, especially through their implementation of the rewebber

this paper subsumes all discussion found in an earlier working paper entitled "Providing Access to More than Access: Services in the Commercial Internet Access Market." All errors are mine.

Abstract: Concern over the potential need to redefine universal service to account for Internetrelated services and other combinations of communication and computing motivates this study of the geographic spread of commercial Internet Service Providers (ISPs), the leading suppliers of Internet access in the United States. The paper characterizes the location of 40,000 access points, local phone numbers offered by commercial ISPs, in the fall of 1997. Markets differ widely in their structure, from competitive to unserved. Over ninety percent of the US population has easy access to a competitive commercial Internet access market, while approximately five percent of the US population has costly access. Urban/rural coverage must be understood in the context of the different strategies of national/local providers. 1

economic and  public  policy  issues. The  SIEPR  Discussion  Paper  Series  reports  on  research  and  policy

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Packet based, e.g., Internet, traffic will soon surpass conventional forms of wired communication, e.g., circuit-switched voice traffic. Moreover, the growth in packet traffic is so pronounced that by 2007, telephony may constitute only 10% of overall backbone traffic. In this paper, we investigate this transition of the communication network from a "voice-centric" to a "data-centric" model. In particular, we examine the speed with which data traffic will eclipse voice traffic, and the significance of the shift's suddenness to the final outcome. While a prediction concerning the precise timing of the circuit-to-packet crossover is of some interest, this paper's focus is on addressing the fundamental issues relevant to the rapid evolution of a data dominated communication network. To aid in understanding the shift, we present and characterize a traffic transition model. Based on this model, we determine that the window in which data traffic increases to contribute 90% of overall backb...

What is the relationship between market structure and innovative behavior in commercial computing and Internet markets? This broad question does not and cannot have a simple answer for at least two reasons. First, the core determinants of this relationship did not remain constant over several decades. Second, commercial

This paper has benefited from the detailed and perceptive comments of our reviewers, especially our shepherd Hank Levy. We thank Randy Katz and Eric Anderson for their detailed readings of early drafts of this paper, and David Culler for his ideas on TACC's potential as a model for cluster programming. Ken Lutz and Eric Fraser configured and administered the test network on which the TranSend scaling experiments were performed. Cliff Frost of the UC Berkeley Data Communications and Networks Services group allowed us to collect traces on the Berkeley dialup IP network and has worked with us to deploy and promote TranSend within Berkeley. Undergraduate researchers Anthony Polito, Benjamin Ling, and Andrew Huang implemented various parts of TranSend's user profile database and user interface. Ian Goldberg and David Wagner helped us debug TranSend, especially through their implementation of the rewebber

There is a broad range of Information Technology (IT) initiatives that firms may undertake to realize electronic commerce strategies in the digital age. Implementation of these initiatives can bring about significant changes of business processes or even industry structures, as early examples have demonstrated. Initial enthusiasm and optimism has given way to doubt and uncertainty as some early online business models proved to be not viable. This paper considers the strategic Internet IT choices faced by the participants in the highly regulated California wine industry. After presenting an overview of the industry structure and history, we show how the intricate pre-existing relationships and legal infrastructure of the California wine domain dictate and limit possible Business to Consumer (B2C) strategies while leaving open significant potential for improvement in the Business to Business (B2B) arena. We divide B2B into upstream (production) and downstream (marketing and distributing) processes for clarity of discussion and provide numerous examples of each. Finally, we summarize lessons learned from the examples, identify opportunities and challenges of e-commerce initiatives in the wine industry, and describe guidelines for successful and sustainable online business models.

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