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1.
《Telecommunications Policy》2014,38(5-6):460-472
The volume and importance of content is increasing in the Internet, whereas the ability of the Internet architecture to scale to the growing demand for transport capacity is uncertain. Even though the natural growth in the demand continues, the growth in traffic volumes can be limited by reducing unnecessary content copying and redundant transportation of the same content. Information-centric networking (ICN), featuring globally unique naming of content and optimized in-network caching, has been suggested as a potential future solution to significantly reduce unnecessary traffic, but its economic feasibility has not been widely studied. This paper evaluates the economic feasibility of ICN by using the two-sided markets theory to analyze four Internet content delivery models: the client-server model, content delivery network (CDN) model, peer-to-peer model and ICN model. Value networks and two-sided markets of these content delivery models are identified in the process. The results suggest that content providers can be willing to pay for the lower delay of content delivery in ICN, if ICN can solve its coordination problems related to cost-allocation, contracting, quality of service guarantees, and content usage statistics. These incentive challenges are essentially the same as in-network web caching originally faced and could not overcome. Internet access providers may also consider investing in the deployment of ICN due to reduced interconnection costs. However, the ICN model may require a revenue-creating business model to make it more attractive to Internet access providers than the CDN model that provides similar cost savings.  相似文献   

2.
《Telecommunications Policy》2017,41(10):1003-1016
Since the commercialization of the Internet, content and related applications, including video streaming, news, advertisements, and social interaction have moved online. It is broadly recognized that the rise of all of these different types of content (static and dynamic, and increasingly multimedia) has been one of the main forces behind the phenomenal growth of the Internet, and its emergence as essential infrastructure for how individuals across the globe gain access to the content sources they want. To accelerate the delivery of diverse content in the Internet and to provide commercial-grade performance for video delivery and the Web, Content Delivery Networks (CDNs) were introduced. This paper describes the current CDN ecosystem and the forces that have driven its evolution. We outline the different CDN architectures and consider their relative strengths and weaknesses. Our analysis highlights the role of location, the growing complexity of the CDN ecosystem, and their relationship to and implications for interconnection markets.  相似文献   

3.
This paper looks at surplus extraction by network providers who control the medium of information transfer between application developers and consumers, and addresses the following questions: is net neutrality beneficial to society? and does providing network providers flexibility in pricing stunt innovation in the long run? To answer the first question, it looks at a market consisting of a monopoly network provider and two application providers with non-substitutable products, using a simple single period model. It shows that net neutrality is necessary to ensure maximal benefit to the society. To answer the second question, the paper shows that a monopoly network provider, if allowed complete flexibility in pricing, does not necessarily stunt innovation. Looking at a market that consists of one network provider and one application provider, and using a simple multi-period model, it shows that given maximum flexibility the network provider not only encourages innovation when the potential benefits are sufficiently high but also maximizes surplus. This paper takes the view that the topic of net neutrality is not only controversial but also complicated, and suggests that policy makers use a balanced approach based on sound analysis.  相似文献   

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Although still dominated by standard television, the online TV industry is growing rapidly. Entrants employ a range of business models, and we identify a prevalent tendency for leading providers to aggregate programming from a variety of different content owners. We focus on one form of content aggregation by multi-channel programming distributors (MPVDs) widely known as “TV Everywhere (TVE).” Following a brief taxonomy of TVE systems, we develop an economic model to show how this “free-with-authentication” (of MVPD subscribership) bundling practice can be explained as a price discrimination device intended to slow MVPD disconnections. We show that TVE bundling could also deter entry into the online TV market. We discuss the potential roles of horizontal and vertical integration of MVPDs and ISPs in online TV industry development, again focusing on TVE, and conclude with policy implications.  相似文献   

6.
The experience of cable television indicates that vertically integrated ISPs have plausible incentives to favor their affiliated content and to restrict entry of nascent rival content services, but these incentives are weakened in some respects, and strengthened in others, by differences in the economic architectures of cable and Internet broadband. Non-discrimination regulations designed to control such behavior are potentially more effective than in cable, but rules governing discrimination both in the upstream access and the downstream retail markets (as the FCC's no-unreasonable-discrimination rule appears to do) are likely to be necessary for effectiveness. Beneficial effects of vertical integration on financing and entry of cable programming networks should also apply to Internet video content development, but emergence since the 1970s of a robust programming supply industry with few vertical ties to cable suggests that such benefits will be less significant in the ISP case. Finally, the history of both the cable and ISP industries makes evident that the fundamental policy concern should not be vertical integration but horizontal market shares of ISPs, both at the local and national levels.  相似文献   

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This paper empirically investigates the determinants of the Internet and cellular phone penetration levels in a cross-country setting. It offers a framework to explain differences in the use of information and communication technologies in terms of differences in the institutional environment and the resulting investment climate. Using three measures of the quality of the investment climate, Internet access is shown to depend strongly on the country's institutional setting because fixed-line Internet investment is characterized by a high risk of state expropriation, given its considerable asset specificity. Mobile phone networks, on the other hand, are built on less site-specific, re-deployable modules, which make this technology less dependent on institutional characteristics. It is speculated that the existence of telecommunications technology that is less sensitive to the parameters of the institutional environment and, in particular, to poor investment protection provides an opportunity for better understanding of the constraints and prospects for economic development.  相似文献   

10.
This paper examines Internet use in the Southern Caucasus by qualitative and quantitative methods. Firstly, as the developments in ICTs affect Internet use, the macroeconomic problems faced in the development of the sector are qualitatively analyzed. It is seen that high Internet service prices, government dominance, and lack of competition in the ICT sector as well as the wars in some regions are obstacles to Internet use. Finally, the determinants of Internet use are explored using survey data and employing microeconometric techniques considering sample selection. The empirical findings, inter alia, indicate that key variables contributing to frequent Internet use are computer ability in Armenia and computer ownership in Azerbaijan, and mobile phone ownership in Georgia.  相似文献   

11.
Whilst the deployment of next generation access networks (NGANs) is undoubtedly beneficial to the economy, new legal developments in the United States (US) regarding the issue of net neutrality (NN) pose a new challenge not only to policy makers but to telecommunication providers as well, that could justify a fresh approach when assessing NGANs investments. In particular, the Federal Communications Commission (FCC) subverted extant NN rules in the US and if the European Union (EU) decides to follow a similar deregulatory path in the future it could change the way telecommunications providers on both sides of the Atlantic lay down their optical-fibre network infrastructure investment plans. For instance, if traffic prioritization is allowed then diversification of revenue sources can be achieved by charging customers for privileged data delivery to their premises. Currently, NGANs roll-out throughout EU is an ongoing process in a setting whereby access regulation in the form of network element unbundling is already imposed. As a result, these legal developments form a new context within which it makes sense to assess the role of NGANs wholesale access pricing in tandem with the degree of commitment to NN rules so as to i) determine their combinatorial impact on private telecommunications operators' financial figures and ii) capture their competitive interactions. Towards this end, an important aspect of particular value to market players (i.e. incumbents and competitive providers – CPs), and policy makers (i.e. National Regulatory Authorities – NRAs) that this article aims to examine is how to employ the option-game (OG) analysis, that reflects the intersection of game theory (GT) and real options (ROs), to model the competitive interactions between participants in a particular competition game set-up by means of deriving possible Nash-equilibrium (NE) outcomes within a regulatory setting part of which is the commitment or non-commitment to the NN principle. This, hybrid, evaluation tool is applied on top of a conventional discounted cash flow (DCF) techno-economic analysis assessment of an NGAN investment opportunity.  相似文献   

12.
Fifth generation (5G) networks raise governance and management challenges that did not exist in 3G and 4G wireless technologies. Advanced wireless functionality enables new applications and services based on smart, physical, network infrastructures, many of them expected to be localized. As a general-purpose technology, 5G can be configured in numerous ways to support innovative applications across many sectors. Smart network applications and services must integrate physical and virtual components in innovative ways. In addition, general capabilities of 5G must be combined with complementary technologies, such as big data analytics and edge cloud services, to create services for specific use cases. Varying throughput and latency requirements of distinct use cases require differentiated technical solutions. Appropriate frequencies must be aligned efficiently with other features within the footprint of particular, local industrial networks. National policy makers, suppliers, and users are responding differently to these governance and management challenges. These approaches balance differently the trade-offs between experimentation, differentiation, and harmonization. Comparative analysis can inform gradual improvements of the governance of 5G-based, local industrial networks.  相似文献   

13.
Internet censorship and control have been commonplace in Tunisia since the Internet became available to then public in 1996. It was not until the last days of the Jasmine revolution in January 2011 that the Tunisian government shut down the censorship regime, raising numerous questions about Internet censorship in Tunisia. This article will look at how former Tunisian president Ben Ali was able to shut down the Internet censorship regime within a matter of hours. In order to answer this question, it looks at the history of the Tunisian Internet and its Internet censorship regime, before analysing Internet architecture, Internet institutions, functional differentiation between elements of the regime and the role of international technology markets. Each of these factors contributes to the overall censorship regime and helps understand how former President Ben Ali was able to shutdown Internet censorship within a matter of hours. In conclusion, tracing the genesis of the Tunisian censorship regime may contribute to understanding the role of institutional, architectural and market-based factors in enabling other censorship regimes across the world.  相似文献   

14.
While radical innovations and growth strategies supporting such innovations may provide the firm with very high returns, there are also considerable risks in devising and implementing such innovations. Apart from the business risks of venturing into new territories and new markets, radical innovations also carry with them the burden of accounting for market and environmental factors that are often not under the control of the firm. The opportunities presented by the emergence of several Asian markets, such as India and China, are particularly appealing for Western countries willing to expand into these markets. However, market characteristics, institutional development, and customer behaviors bring into sharp focus the choice of a specific innovation and new product development strategy for such markets. This paper examines these various strategic issues in the context of India. The paper concludes with strategic recommendations for managers and some propositions for future academic research.  相似文献   

15.
The transportation industry has been revolutionized by the World Wide Web with the Internet rapidly emerging as the optimal medium for the exchange of information between shippers and carriers throughout the supply chain. Despite this, many motor carrier firms may still not be placing enough emphasis on the Internet. Recent empirical research studies suggest that Internet utilization in the supply chain is significantly influenced by firm size. This study analyzes the informational and interactive content of the Top 100 U.S. motor carrier firms' web sites to examine the relationship between firm size and Internet utilization. In addition, as there is little research that assesses the payoff in terms of benefits for firms that place more emphasis on the Internet for commercial activity, secondary financial data are used to evaluate the association between Internet utilization and firm financial performance in the transportation industry.  相似文献   

16.
This paper reports on a novel approach taken by the author to the teaching of an Internet programming course targeted at final year diploma and second year degree students. The uniqueness of engineers and their identity is discussed, as is the self-constructed world and ways of knowing in which humankind operates. The novel approach to teaching a software-coding course, and this course’s underlying philosophies of learning, the approach taken in class-contact time, and the methods of interaction with the students are presented, along with the conventional structure, quantitative measures, outline, and assessment of the course. The effects and observations of approaches employed are discussed, and the quantitative outputs achieved are presented alongside the unquantifiable impressions, comments and positive feedback.  相似文献   

17.
This paper seeks to provide some explanation as to how demand-, supply- and institutions-related factors in China have affected the creation and diffusion of Internet of Things (IoT)-related products and services. Concerning demand side factors the paper demonstrates how potential market size and existing technology trajectory work in favor of IoT diffusion. As a related demand side factor the paper argues that, in terms of the technological trajectory, China has started farther from the frontier than most industrialized countries. The degree of incremental benefit from the IoT is thus higher in the country. As to the supply side factors, the article promotes an understanding of how Chinese technology companies have capitalized on a huge user base to develop IoT-based applications. It also suggests that technologies and expertise provided by foreign multinationals have also played crucial roles. Regarding formal institutions, the government's proactive policies have been a major factor in the IoT's evolution. It is also in the Chinese government's interest to develop IoT products to make censorship and surveillance more effective. Regarding informal institutions, Chinese consumers are less concerned than Westerners about being tracked and monitored, which provides a favorable condition for the adoption of IoT-enabled devices. Nonetheless, this condition is changing due to increasing abuse of consumer privacy. China and the U.S. are compared in terms of diffusion, key determinants, performance indicators and impacts of the IoT in order to understand the areas that China outperforms—and underperforms—the U.S. Some indicators are proposed to gauge the IoT-related performance and the impacts of the IoT.  相似文献   

18.
The evolution of special purpose standards for networked vehicles towards IP based communication networks and the high-volume data processing requirements call for the introduction of a new concept – the big data virtual network. The virtual network operator, which may be integrated with the operators of networked vehicle applications, combines sensor and camera devices with big data, either using large data centers (cloud computing) or local processing (fog computing), and complementary QoS (Quality of Service) differentiated bandwidth capacities from the all-IP network. The growing importance of camera-based sensors as well as geo-awareness requirements create a need for more pronounced QoS differentiated bandwidth as well as big data processing efforts. In particular, combining QoS differentiated all-IP bandwidth capacities with local data processing within the edge cloud constitutes a new task for big data virtual network service providers, enabling deterministic guarantees for ultra-low latencies required for networked fully automated (driverless) vehicles.  相似文献   

19.
在一系列单因素试验的基础上,确立了6个主要影响因素,将直接试验设计方法用于高固含量乳液苯乙烯/丙烯酸丁酯/丙烯酸(St/BA/AA)制备工艺的优化,对实验结果利用SAS软件进行了回归分析,建立了乳液的影响因素与乳液主要性能间的最优回归方程模型,并通过实验对该模型赋予的优化值进行了检验。结果表明:乳液固含量、引发剂与功能单体浓度的交互作用、乳化剂用量、软单体BA含量与反应温度的交互作用对乳胶粒粒径有明显的影响。  相似文献   

20.
The paper develops a composite index of GMO standards restrictiveness for 60 countries, assigning objective scores to six different regulatory dimensions. Using this index and its components, we empirically investigate the political and economic determinants of GMO regulations for 55 countries, controlling for spatial autocorrelation. Results show that many of the determinants highlighted in the theoretical literature, such as the structure of the agricultural sector and the institutional environment are important determinants of the restrictiveness of the GMO regulation. As a key result there emerges a prominent role of the market for information, showing that the structure of domestic mass media (public vs. private) is an important driver of GMO standards.  相似文献   

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