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題名 以用戶為主之群播服務可行性分析與市場發展策略
作者 張立銘
貢獻者 溫肇東
張立銘
關鍵詞 群播服務
用戶為主
multicast service
end-user based
日期 2006
上傳時間 18-Sep-2009 20:06:58 (UTC+8)
摘要 群播技術乃是一種應用在Internet上的資料傳遞技術，其特點是可允許一個來源同時對多個接收端傳遞相同的資料，群播應用散見於如多方會議、財經資訊的推播、IPTV中的廣播電視與分散式互動模擬等。僅管群播應用發展迅速, 但大多數的商用服務架構仍以電信運營商或內容提供商為群播來源，而終端用戶為接收端。本論文嘗試探討以終端用戶端為群播來源，並以此模式從資訊消費的價值鏈中探討其市場的接收度、服務部署的可行性與獲利模式，同時亦將針對目前已提供類似服務模式的業者個案作一比較，希望藉此進一步瞭解隱含其中的創新商業模式與機會。
In current Internet communication architecture, most of the applications are built upon the unicast model which means there’s a dedicate communication channel between an information source (server) and a receiver (client). One of the challenges of scaling applications based on a unicast model is that both processing overhead at source and bandwidth consumption in the network are proportional to the number of receivers that interested in the information. The advent of IP multicast is thus providing an alternative approach to address the technical issues and scale up the deployment of applications, for example, multiple-party conferencing, info-casting, IP television, grid computing, and so on.
In most of the commercial IP networks that offer IP multicasting services today are in a centralized architecture, that is, multicasting sources are provisioned by service provider or content providers, end-users (or subscribers) are receivers that passively consume the information. However, as digital contents sharing is getting popular and the business is getting market traction, there’s a potential opportunity for deploying multicasting services where end-users are acting as multicast sources and share the contents with other end-users (receivers). This paper will propose a business model, or an end-user-based multicasting service, where end-user is encouraged to be a multicasting source and sharing the information with the members within a community of interest. An end-user-based multicasting service, where the end-user is acting as multicast information source, is not yet popular in the commercial networks. However, given that digital content sharing portal on Internet, including YouTube, MySpace and Joost, are gaining market momentum in terms of traffic volume, content diversity and eye-ball duration, end-users are no longer passively receiving the information in an on-demand manner, multicast technologies allow end-user to push contents at the advantages of real-time and network bandwidth saving. Such advantages become the incentives for end-users, and even service and content providers, to embrace multicast technology as an alternative to unicast approach. Based on the observations described above, an end-user-based multicasting service would no longer exist in experimental network, but become the mainstream communication mechanism, as well as unicast, and being a source of profitability. Regarding to this model, five issues from different aspects are presented by asking the following:
1. What are the opportunities for end-user?
2. What are the opportunities for service provider?
3. What are the opportunities for content provider?
4. How to achieve a pricing scheme with fairness and incentive.
5. The strategies of market development and service deployment.
This paper will first review the industry background and related multicast technologies include:
1. IGMPv2/v3
2. PIM/SSM
3. MSDP
Furthermore, a typical architecture of multicasting network is given for a better illustration to the service deployment, and, for interests of network and service planning.
The value-chain associated to this business model includes three major members, or stakeholders:
1. End-users: the information receivers that consuming the information, and also the sources, that co-developing or re-producing the contents.
2. Service provider: the infrastructure provider where multicasting services are based on. It can be incumbent or competitive Internet service providers. A multicasting infrastructure does not only pertain to the functions from a networking perspective, but also from a service perspective, for example, offering a security infrastructure that facilitates the membership management and a admission control mechanism to manage the overall quality of service.
3. Content provider: the major contributor, other than end-user, to multicasting contents. One of the differentiations, as described in this paper, from end-user is that content provider owns a more systematic content creation process, a more strict enforcement of content protection, and a billing system to effectively track the real usages of contents.
As analyzed in this paper, each member on this value-chain has both direct and indirect influences to the success to this model whereby business opportunities are also embedded.
The innovation of the model proposed in this paper is primarily from the differentiation to current business model. There are five sources of innovation that our model is mapped and elaborated include:
1. Knowledge structure
2. Industry structure
3. Capabilities to lead the design
4. Market requirements
5. Industry cycle
To maintain the market momentum, as described in this paper, it’s crucial that all members in the value-chain to share and jointly define the values, rather than the traditional way where values are solely defined by the enterprise or supplier. The essence of value joint-development can be described by the following characteristics:
1. Communication
2. Experience accessibility
3. Risk assessment
4. Transparency
The above nine dimensions are used in the analysis of case study and the findings to the first three issues presented.
To facilitate the exploration of a feasible pricing scheme, this paper will review related researches on pricing by categorizing the following as the cost drivers to a multicasting service:
1. Information stream characteristics, for example, data-rate in bits per second.
2. The placement of multicast source and receivers in a network.
3. The scale of multicasting service, single-domain, i.e. confining to single network service provider, or cross-domain.
Based on the cost drivers, relevant researches spent on approximating the cost of a multicasting network and services include:
1. Single fixed center-rooted tree.
2. Multiple fixed center-rooted tree
3. Multiple dynamic center-rooted tree
There are researches taken more factors into the consideration when approximating the cost, include network complexity, delivery delay and quality of service. This can be another interest of researches for business development. Based on the approximation outcomes, two pricing schemes that widely considered: flat-rate and usage-based. Both schemes are employed in the case study presented. The goal of developing a feasible pricing scheme, as indicated in this paper, should provide incentives to every member in the value-chain to achieve an efficient and reasonable usage of network resource in an accountable way.
The last issue is exploring the market acceptance, elaborating the deployment strategies and opportunities of profitability based on this model. Three cases will be presented: Verizon Business, Bloomberg and Internet2/Abilene, which provide multicasting services at different market sectors: residential market, financial enterprise market and academic sector. The cases are compared by the service models, deployment strategies and business development, which is further illustrated and compared by information and cash flows.
Finally, findings are consolidated from the case studies and conclusions are drawn from these findings. Suggestions are made and further research interests are also highlighted.
參考文獻 中文部份
1. 司徒達賢，2001，策略管理新論：觀念架構與分析方法，智勝文化事業有限公司。
2. 吳思華(1996)，策略九說，台北市：麥田。
3. 溫肇東，陳碧芬 (2003)，栽一棵創業種籽— 創業學習平台的布建與複製，商智文化。
4. 楊子江、王淑雯(1997)，創新求勝，台北市：遠流
5. 劉常勇 (2002)，創業管理的12堂課，天下文化。
6. Prahalad, C.K.，Fruehauf, Harvey C. (2001)，顧淑馨譯，消費者王朝，天下雜誌出版社。
7. Shane, Scott A. (2005)，2005，徐永宜譯，科技創業聖經，培生出版社

英文部份
1. Chang, Isabella, Robert Engel, Dilip Kandlur, Dimitrios Pendarakis, and Debanjan Saha (1999), “Key Management for Secure Internet Multicast using Boolean Function Minimization Techniques” IEEE INFOCOM, p.689-698.
2. Chen, Shigang and Klara Nahrstedt (1998), “An Overview of Quality of Service Routing for Next-Generation High-Speed Networks: Problems and Solutions,” IEEE Network, pp. 64 -79.
3. Chuang, John C.-I., M. A. Sirbu (1998) ”Pricing Multicast Communication: A Cost-Based Approach” www.ischool.berkeley.edu/~chuang/pubs/inet98.pdf
4. Courcoubetis, C., F. P. Kelly (1998) “A Study of Simple Usage-Based Charging Schemes for Broadband Networks” http://www.ics.forth.gr/~courcou/
5. Diot, Christophe, Walid Dabbous and Jon Crowcroft (1997), “Multipoint Communications: A Survey of Protocols, Functions, and Mechanisms,” IEEE JSAC, Vol. 15, No. 3, pp. 277 — 290, April 1997.
6. Herzog, S., S. Shenker, D. Estrin (1997), “Sharing Multicast Costs” Internet Economics pp. 169-212
7. Macedonia, M.R. and D.P. Brutzman (1994), “MBONE Provides Audio and Video Across the Internet,” IEEE Computer Magazine, pp. 30 — 36, April 1994.
8. Ravindran, K., T. Gong (1998)” Cost analysis of multicast Transport architecture in multi-services networks” IEEE /ACM Trans. Networking, vol. 6. No. 1.pp. 94-109, Feb.1998
9. Savetz, K., Neil Randall, and Yves Lepage (1996), “MBONE: Multicasting Tomorrow`s Internet,” John Wiley & Sons Inc, March, 1996.
10. Trappe, W., Jie Song, Radha Poovendran, and K. J. Ray Liu, “Key Management and Distribution for Secure Multimedia Multicast (2003),” IEEE Transcations on Multimedia, Vol. 5, No. 4, December 2003, p. 544-557.
11. RFC1054 (1988), “Host extensions for IP multicasting”, May 1988
12. RFC1112 (1989), “Host extensions for IP multicasting”, August 1989
13. RFC1458 (1989), “Requirements for Multicast Protocols”, May 1993
14. RFC2117 (1997), “Protocol Independent Multicast-Sparse Mode (PIM-SM): Protocol Specification”, June 1997
15. RFC2236 (1997), “Internet Group Management Protocol, Version 2”, November 1997
16. RFC2362 (1998), “Protocol Independent Multicast-Sparse Mode (PIM-SM): Protocol Specification”, June 1998
17. RFC3376 (2002), “Internet Group Management Protocol, Version 3”, October 2002
18. RFC3569 (2003), “An Overview of Source-Specific Multicast (SSM)”, July 2003
19. RFC3618 (2003), “Multicast Source Discovery Protocol (MSDP)”, October 2003
網站
1. GÉANT multicast service, http://www.geant.net/server/show/nav.00700a007
2. Verizon Business, http://www.verizon.com
3. FiOSTV, http://www22.verizon.com/content/FiOSTV/
4. Summary of Verizon Communications Inc., http://finance.yahoo.com/q?s=vz
5. Summary of AT&T Inc., http://finance.yahoo.com/q?s=t
6. Summary of Qwest Communications Inc., http://finance.yahoo.com/q?s=q
7. Summary of Sprint Nextel Corp., http://finance.yahoo.com/q?s=s
8. About Bloomberg, http://about.bloomberg.com
9. Summary of Dow Jones & Co. Inc., http://finance.yahoo.com/q?s=dj
10. Summary of Thompson Corp., http://finance.yahoo.com/q?s=toc
11. Summary of Reuters Group Plc, http://finance.yahoo.com/q?s=rtrsy
12. About Internet2, http://www.internet2.edu/about
13. Internet2 P2P Working Group, http://p2p.internet2.edu/apps_list.html
14. Source Specific Multicast Sessions, http://videolab.uoregon.edu/cgi-bin/urd.cgi
15. Internet2 Multicast WG Homepage, http://multicast.internet2.edu
16. AccessGrid, http://www.accessgrid.org
17. ResearchTV/ResearchChannel, http://www.washington.edu/researchtv
描述 碩士
國立政治大學
科技管理研究所
91359030
95
資料來源 http://thesis.lib.nccu.edu.tw/record/#G0091359030
資料類型 thesis
dc.contributor.advisor 溫肇東zh_TW
dc.contributor.author (Authors) 張立銘zh_TW
dc.creator (作者) 張立銘zh_TW
dc.date (日期) 2006en_US
dc.date.accessioned 18-Sep-2009 20:06:58 (UTC+8)-
dc.date.available 18-Sep-2009 20:06:58 (UTC+8)-
dc.date.issued (上傳時間) 18-Sep-2009 20:06:58 (UTC+8)-
dc.identifier (Other Identifiers) G0091359030en_US
dc.identifier.uri (URI) https://nccur.lib.nccu.edu.tw/handle/140.119/36906-
dc.description (描述) 碩士zh_TW
dc.description (描述) 國立政治大學zh_TW
dc.description (描述) 科技管理研究所zh_TW
dc.description (描述) 91359030zh_TW
dc.description (描述) 95zh_TW
dc.description.abstract (摘要) 群播技術乃是一種應用在Internet上的資料傳遞技術，其特點是可允許一個來源同時對多個接收端傳遞相同的資料，群播應用散見於如多方會議、財經資訊的推播、IPTV中的廣播電視與分散式互動模擬等。僅管群播應用發展迅速, 但大多數的商用服務架構仍以電信運營商或內容提供商為群播來源，而終端用戶為接收端。本論文嘗試探討以終端用戶端為群播來源，並以此模式從資訊消費的價值鏈中探討其市場的接收度、服務部署的可行性與獲利模式，同時亦將針對目前已提供類似服務模式的業者個案作一比較，希望藉此進一步瞭解隱含其中的創新商業模式與機會。zh_TW
dc.description.abstract (摘要) In current Internet communication architecture, most of the applications are built upon the unicast model which means there’s a dedicate communication channel between an information source (server) and a receiver (client). One of the challenges of scaling applications based on a unicast model is that both processing overhead at source and bandwidth consumption in the network are proportional to the number of receivers that interested in the information. The advent of IP multicast is thus providing an alternative approach to address the technical issues and scale up the deployment of applications, for example, multiple-party conferencing, info-casting, IP television, grid computing, and so on.
In most of the commercial IP networks that offer IP multicasting services today are in a centralized architecture, that is, multicasting sources are provisioned by service provider or content providers, end-users (or subscribers) are receivers that passively consume the information. However, as digital contents sharing is getting popular and the business is getting market traction, there’s a potential opportunity for deploying multicasting services where end-users are acting as multicast sources and share the contents with other end-users (receivers). This paper will propose a business model, or an end-user-based multicasting service, where end-user is encouraged to be a multicasting source and sharing the information with the members within a community of interest. An end-user-based multicasting service, where the end-user is acting as multicast information source, is not yet popular in the commercial networks. However, given that digital content sharing portal on Internet, including YouTube, MySpace and Joost, are gaining market momentum in terms of traffic volume, content diversity and eye-ball duration, end-users are no longer passively receiving the information in an on-demand manner, multicast technologies allow end-user to push contents at the advantages of real-time and network bandwidth saving. Such advantages become the incentives for end-users, and even service and content providers, to embrace multicast technology as an alternative to unicast approach. Based on the observations described above, an end-user-based multicasting service would no longer exist in experimental network, but become the mainstream communication mechanism, as well as unicast, and being a source of profitability. Regarding to this model, five issues from different aspects are presented by asking the following:
1. What are the opportunities for end-user?
2. What are the opportunities for service provider?
3. What are the opportunities for content provider?
4. How to achieve a pricing scheme with fairness and incentive.
5. The strategies of market development and service deployment.
This paper will first review the industry background and related multicast technologies include:
1. IGMPv2/v3
2. PIM/SSM
3. MSDP
Furthermore, a typical architecture of multicasting network is given for a better illustration to the service deployment, and, for interests of network and service planning.
The value-chain associated to this business model includes three major members, or stakeholders:
1. End-users: the information receivers that consuming the information, and also the sources, that co-developing or re-producing the contents.
2. Service provider: the infrastructure provider where multicasting services are based on. It can be incumbent or competitive Internet service providers. A multicasting infrastructure does not only pertain to the functions from a networking perspective, but also from a service perspective, for example, offering a security infrastructure that facilitates the membership management and a admission control mechanism to manage the overall quality of service.
3. Content provider: the major contributor, other than end-user, to multicasting contents. One of the differentiations, as described in this paper, from end-user is that content provider owns a more systematic content creation process, a more strict enforcement of content protection, and a billing system to effectively track the real usages of contents.
As analyzed in this paper, each member on this value-chain has both direct and indirect influences to the success to this model whereby business opportunities are also embedded.
The innovation of the model proposed in this paper is primarily from the differentiation to current business model. There are five sources of innovation that our model is mapped and elaborated include:
1. Knowledge structure
2. Industry structure
3. Capabilities to lead the design
4. Market requirements
5. Industry cycle
To maintain the market momentum, as described in this paper, it’s crucial that all members in the value-chain to share and jointly define the values, rather than the traditional way where values are solely defined by the enterprise or supplier. The essence of value joint-development can be described by the following characteristics:
1. Communication
2. Experience accessibility
3. Risk assessment
4. Transparency
The above nine dimensions are used in the analysis of case study and the findings to the first three issues presented.
To facilitate the exploration of a feasible pricing scheme, this paper will review related researches on pricing by categorizing the following as the cost drivers to a multicasting service:
1. Information stream characteristics, for example, data-rate in bits per second.
2. The placement of multicast source and receivers in a network.
3. The scale of multicasting service, single-domain, i.e. confining to single network service provider, or cross-domain.
Based on the cost drivers, relevant researches spent on approximating the cost of a multicasting network and services include:
1. Single fixed center-rooted tree.
2. Multiple fixed center-rooted tree
3. Multiple dynamic center-rooted tree
There are researches taken more factors into the consideration when approximating the cost, include network complexity, delivery delay and quality of service. This can be another interest of researches for business development. Based on the approximation outcomes, two pricing schemes that widely considered: flat-rate and usage-based. Both schemes are employed in the case study presented. The goal of developing a feasible pricing scheme, as indicated in this paper, should provide incentives to every member in the value-chain to achieve an efficient and reasonable usage of network resource in an accountable way.
The last issue is exploring the market acceptance, elaborating the deployment strategies and opportunities of profitability based on this model. Three cases will be presented: Verizon Business, Bloomberg and Internet2/Abilene, which provide multicasting services at different market sectors: residential market, financial enterprise market and academic sector. The cases are compared by the service models, deployment strategies and business development, which is further illustrated and compared by information and cash flows.
Finally, findings are consolidated from the case studies and conclusions are drawn from these findings. Suggestions are made and further research interests are also highlighted.		en_US
dc.description.tableofcontents 第一章 緒論 1
第一節 研究動機 1
第二節 研究目的與研究問題 2
一、 研究目的 2
二、 研究問題 2
第三節 論文章節組織 3
第二章 文獻探討 4
第一節 產業背景 4
第二節 技術概述 7
一、 群播技術總覽 7
二、 群播網路的架構 14
三、 相關應用 16
第三節 訂價模式 18
第四節 創新的來源 20
第五節 共創價值 22
第三章 研究架構與方法 26
第一節 研究架構 26
第二節 研究流程 28
第三節 研究限制 29
一、 研究對象 29
二、 研究限制 29
第四章 個案研究 30
第一節 電信運營商 - Verizon Communications 30
第二節 內容提供商 – Bloomberg 34
第三節 實驗網路 – Internet2/Abilene 40
第五章 個案比較與分析 46
第一節 個案比較 46
第二節 可行性分析 51
第三節 訂價模式 54
第四節 市場發展與部署策略 58
第六章 研究發現與結論 60
第一節 研究發現 60
第二節 結論與建議 62
參 考 文 獻 64
中文部份 64
英文部份 65
網站 66		zh_TW
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dc.source.uri (資料來源) http://thesis.lib.nccu.edu.tw/record/#G0091359030en_US
dc.subject (關鍵詞) 群播服務zh_TW
dc.subject (關鍵詞) 用戶為主zh_TW
dc.subject (關鍵詞) multicast serviceen_US
dc.subject (關鍵詞) end-user baseden_US
dc.title (題名) 以用戶為主之群播服務可行性分析與市場發展策略zh_TW
dc.type (資料類型) thesisen
dc.relation.reference (參考文獻) 中文部份zh_TW
dc.relation.reference (參考文獻) 1. 司徒達賢，2001，策略管理新論：觀念架構與分析方法，智勝文化事業有限公司。zh_TW
dc.relation.reference (參考文獻) 2. 吳思華(1996)，策略九說，台北市：麥田。zh_TW
dc.relation.reference (參考文獻) 3. 溫肇東，陳碧芬 (2003)，栽一棵創業種籽— 創業學習平台的布建與複製，商智文化。zh_TW
dc.relation.reference (參考文獻) 4. 楊子江、王淑雯(1997)，創新求勝，台北市：遠流zh_TW
dc.relation.reference (參考文獻) 5. 劉常勇 (2002)，創業管理的12堂課，天下文化。zh_TW
dc.relation.reference (參考文獻) 6. Prahalad, C.K.，Fruehauf, Harvey C. (2001)，顧淑馨譯，消費者王朝，天下雜誌出版社。zh_TW
dc.relation.reference (參考文獻) 7. Shane, Scott A. (2005)，2005，徐永宜譯，科技創業聖經，培生出版社zh_TW
dc.relation.reference (參考文獻) zh_TW
dc.relation.reference (參考文獻) 英文部份zh_TW
dc.relation.reference (參考文獻) 1. Chang, Isabella, Robert Engel, Dilip Kandlur, Dimitrios Pendarakis, and Debanjan Saha (1999), “Key Management for Secure Internet Multicast using Boolean Function Minimization Techniques” IEEE INFOCOM, p.689-698.zh_TW
dc.relation.reference (參考文獻) 2. Chen, Shigang and Klara Nahrstedt (1998), “An Overview of Quality of Service Routing for Next-Generation High-Speed Networks: Problems and Solutions,” IEEE Network, pp. 64 -79.zh_TW
dc.relation.reference (參考文獻) 3. Chuang, John C.-I., M. A. Sirbu (1998) ”Pricing Multicast Communication: A Cost-Based Approach” www.ischool.berkeley.edu/~chuang/pubs/inet98.pdfzh_TW
dc.relation.reference (參考文獻) 4. Courcoubetis, C., F. P. Kelly (1998) “A Study of Simple Usage-Based Charging Schemes for Broadband Networks” http://www.ics.forth.gr/~courcou/zh_TW
dc.relation.reference (參考文獻) 5. Diot, Christophe, Walid Dabbous and Jon Crowcroft (1997), “Multipoint Communications: A Survey of Protocols, Functions, and Mechanisms,” IEEE JSAC, Vol. 15, No. 3, pp. 277 — 290, April 1997.zh_TW
dc.relation.reference (參考文獻) 6. Herzog, S., S. Shenker, D. Estrin (1997), “Sharing Multicast Costs” Internet Economics pp. 169-212zh_TW
dc.relation.reference (參考文獻) 7. Macedonia, M.R. and D.P. Brutzman (1994), “MBONE Provides Audio and Video Across the Internet,” IEEE Computer Magazine, pp. 30 — 36, April 1994.zh_TW
dc.relation.reference (參考文獻) 8. Ravindran, K., T. Gong (1998)” Cost analysis of multicast Transport architecture in multi-services networks” IEEE /ACM Trans. Networking, vol. 6. No. 1.pp. 94-109, Feb.1998zh_TW
dc.relation.reference (參考文獻) 9. Savetz, K., Neil Randall, and Yves Lepage (1996), “MBONE: Multicasting Tomorrow`s Internet,” John Wiley & Sons Inc, March, 1996.zh_TW
dc.relation.reference (參考文獻) 10. Trappe, W., Jie Song, Radha Poovendran, and K. J. Ray Liu, “Key Management and Distribution for Secure Multimedia Multicast (2003),” IEEE Transcations on Multimedia, Vol. 5, No. 4, December 2003, p. 544-557.zh_TW
dc.relation.reference (參考文獻) 11. RFC1054 (1988), “Host extensions for IP multicasting”, May 1988zh_TW
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