Reports from the Committees' Research
March 2002
Report from Research on Super-fast Internet Architecture Technologies
Report from Research and Survey on Semantic Web Technologies
Guidelines for Applying RM-ODP and UML Profile for EDOC
Guideline for Selective Use of iDC
Report from Research and Survey on Content Distribution Technologies
March 2001
Report from Research to Promote Open Networks
Report from Research of on Latest Trends with the Internet 2000
Report from Research to Assist Defining of RM-ODP Guidelines 2000
Report from the Committees' Research
March 2000
Report from Research to Promote Open Networks
Report from Research of Security Technologies
Report from Research on Residential Gateways (RGs)
Report from Research on Next-generation Internet

March 1999
Report from Research to Promote Open Networks
Report from Research on Industrial Information Interface
Report from Research on Super-fast Networks
Report from Research on Residential Gateways (RGs)
Report from Research on Serial Interface



Report from Research on Super-fast Internet Architecture Technologies
Research and Survey to Promote Open Networking
(Report from Research Consigned by Japan's Ministry of Economy, Trade and Industry)

Introduction

Originally, the Internet technologies were researched and developed by computer science engineers of the 1960s, who tried to integrate information processing and telecommunication into a technological foundation upon which they could build systems that would enable exchanges of information among all the "super computers" of those days stationed at the leading institutes and laboratories in the entire U.S.A. Now, after further development over the last four decades or so, the Internet has established itself as part of the information infrastructure that supports the activities of businesses and industries, as well as the lives of people. The Internet provides an environment where digital information can travel, without restriction, all over the world using UP, a globally available telecommunication protocol.

The Internet has progressed in several phases so far: globalization by means of IP, spread of the Internet thanks to the WWW technology, and utilization by businesses enabled by business-oriented security technologies. Now, the net is heading for a broadband and ubiquitous networking environment, where Internet connections are faster and always "ON". The Internet was originally an information infrastructure to provide low-quality packet transfer service built upon on the valuable telephone networks. Unceasing technological development and implementations since then, have resulted in the higher-quality telecommunication infrastructure, which is finding its way into common households today. In the years to come, this infrastructure called the Internet is expected to carry many new applications, in addition to voice communications and broadcasting services.

Meeting the demand of those up-coming applications of wide-ranging nature, as well as the R&D and further expansion of sophisticated telecommunication infrastructure where new applications can be continuously created and implemented, are crucial in policies related to information and telecommunication in the future. The Internet Protocol itself is expected to cover more networks and devices and thus will include much more nodes(access points) in the near future. This means the demand for security, multi-casting, and other technologies that have been "experimental" so far will experience explosive growth. To satisfy this demand, the Internet Protocol itself has to evolve further. Against such a background, the protocol is taking the next step forward today, from the current Version 4 to Version 6, and should satisfy these new demands.

Digital communication and business models that use the net have progressed from an original peer-to-peer model (B-to-B) to a client-server model (B-to-C). Now, at the dawn of the 21st century, a new enlarged peer-to-peer model (C-to-C) has been under development. For years to come, many new business models are expected to spring up out of this new peer-to-peer networking, and such new models can reshape the industrial structure.

This report, based on the background and recognition of the future of the Internet as described above, summarizes and illuminates issues including: a brief history of the transformation of the Internet architecture, basic access technologies, super-fast IP transfer technology, size of the market for IPv6 technologies and policies intended to spread this new version of IP, trends with R&D efforts to create next-generation applications that are to run in the new broadband global Internet, and R&D test beds that verify and evaluate such applications.

Contents

Outline
Chapter 1 Internet Architecture
1.1 Internet technologies outlined
1.1.1 Internet protocol as a lingua franca
1.1.2 DNS systems and data communication using TCP/IP
1.1.3 Trends with gnames on the Interneth that are easy to use
1.2 Development and progress of the Internet
1.2.1 The fourth wave of the Internet
1.3 Necessity and indispensability of IP Version 6

Chapter 2 Access Technologies
2.1 Access networks
2.1.1 General access network technologies outlined
2.1.2 ADSL
2.1.3 VDSL
2.1.4 CATV (Cable Television)
2.1.5 FTTx
2.1.6 Wireless LAN
2.1.7 Bluetooth
2.1.8 Broad area wireless access
2.1.9 Power cable communication
2.1.10 ITS
2.1.11 Future trends
2.2 Terminals and usability
2.2.1 Cellular terminals
2.2.2 Informational household appliances
2.2.3 Routers for SOHOs and individuals
2.3 Issues recognized from the viewpoint of the end-to-end architecture

Chapter 3 Super-fast IP Optical Network Technology
3.1 Outline
3.2 Trends with standardization
3.2.1 IETF (Internet Engineering Task Force)
3.2.2 OIF (Optical Internet-working Forum)
3.2.3 ITU-T
3.2.4 IEEE 802 Committee
3.3 Individual technologies
3.3.1 Optical fiber
3.3.2 WDM
3.3.3 Optical switches
3.3.4 Semiconductor technology (for address searching, etc.)
3.4 Systematization technology
3.4.1 Optical MPLS router (NTT)
3.4.2 Optical Cross Connect (Mitsubishi Electric)
3.4.3 OAR 5 (ATOGA Systems: http://www.atoga.com)
3.5 Summary

Chapter 4 Applications
4.1 GII applications
4.1.1 Accumulation of technologies and efforts for further development of information use
4.1.2 Setting the foundation of GII
4.1.3 Promotion of use of GII
4.2 U.S. Government's IT R&D programs and research of LSN applications
4.2.1 PCA (Program Component Area) of the U.S. Federal Government's IT R&D programs
4.2.2 IT R&D budget
4.2.3 Coordination of IT R&D programs and supporting organizations
4.2.4 LSN applications R&D
4.2.5 Examples of applications developed by the respective organizations
4.2.6 SII (Scalable Information Infrastructure) programs
4.3 HPIIS applications
4.3.1 The project outlined
4.4 Peer-to-peer applications
4.4.1 What is P2P?
4.4.2 Kinds of P2P
4.4.3 Napster lawsuit
4.4.4 P2P business models
4.4.5 On applications
4.4.6 Moves to make P2P the common foundation
4.4.7 Future tasks

Chapter 5 Trends with Development of Research and Educational Test beds in Europe
5.1 Introduction
5.2 GEANT: Pan-European research network across the nations
5.3 Development of research and educational networks in the European nations
5.3.1 SuperJANET4 (U.K.)
5.3.2 NORDUnet2 (the Scandinavian five nations)
5.3.3 SURFnet5 (the Netherlands)
5.3.4 Renater2 (France)
5.3.5 PIONIER (Poland)
5.3.6 GRNET2 (Greece)
5.3.7 GARR-G (Italy)
5.4 Building of optical network test beds in the European Commission's ITS Project
5.5 IPv6-related projects in Europe
5.6 Summary
5.7 Proposals for test bed creation in Japan

Chapter 6 Marketability of IPv6 and Measures To Spread It
6.1 Introduction
6.2 IPv6 outlined
6.2.1 Features of IPv6
6.2.2 Differences between IP4 and IPv6 from the technological viewpoint
6.2.3 Examples of applications
6.2.4 Decreasing the load on routers
6.3 Transfer from IPv4 and IPv6 and co-existence of the two versions
6.3.1 Interconnection technologies
6.3.2 Issues in implementing IPv6
6.4 How IPv6 is spreading and activities to promote its spread
6.4.1 Activities to spread IPv6 in Japan
6.4.2 Activities to spread IPv6 in Europe
6.4.3 Size of the IPv6-related market
6.5 Measures to spread IPv6
6.5.1 Promoting its usability
6.5.2 Places and opportunities to experience IPv6
6.5.3 Means of verification and test beds
6.5.4 Training personnel
6.5.5 International cooperation
6.5.6 Systems that work with a new networking society
6.5.7 Motivation by financial means

Chapter 7 Conclusion
Documents for your reference 1
Documents for your reference 2

Chapter 7 Conclusion

The 21st century will see the establishment and expansion of broadband and ubiquitous digital information infrastructure. The traditional Business (B)-centered client-server model will be overshadowed by new peer-to-peer systems that truly utilize the characteristics of the Internet, namely, its end-to-end model, interactivity, and globalism. In this coming environment, PCs, which have so far been the main players in information and communication systems, will be replaced by informational household appliances and mobile devices. These new devices are something that Japan leads the world, in terms of technology. Still, these devices will be required to handle digital information that are essentially different from that of the conventional consumer electronics and mobile devices. Japan cannot afford to take for granted its leadership in the field of conventional consumer electronics. Thus, the nation needs to consider how to conduct R&D activities to develop these open and general-purpose consumer and mobile devices. The expected spread of the new end-to-end model and further progress of digital information processing technologies should result in the distribution of digital information as a C-to-C model. It is, therefore, crucial to promote strategic R&D activities in order to develop and spread element technologies that are essential to this model.

All of us at the Committee sincerely hope that this report will be of some help to the readers with respect to R&D activities of the technologies that will form the foundations of the society, lifestyle, and industries of the 21st century; especially the future development of, and policies related to, IPv6, a technology for the next-generation Internet.






Report from Research and Survey on Semantic Web Technologies
Where They Stand Today, and Where They Are Heading for

Introduction

Many nations of Europe and North America are busy developing new Web technologies that might radically change the nature of the coming society with higher information processing. These technologies are called gsemantic Webh technologies.
While the current Web technologies are based on the premise that humans read, understand, and operate Web information, semantic Web tries to let an gagenth automatically process Web information. Semantic Web, in its principle, describes all the data and information, including those of the Web itself, in the form of machine-readable data called "meta data" (since it describes other kinds of data), and allows the software, which works like a human (called an gagenth), to process the meta data automatically.

Semantic Web can be used for any type of information, including physical substances, hardware, software, functions, etc., and the agent can process such information autonomously and automatically, responding to simple instructions from a human user. Semantic Web offers dramatically more convenience and efficiency to the society and households, since it automatically processes simple, monotonous work on the Internet which is currently performed by human users.

Many national governments of Europe and North America are providing grants to R&D projects for semantic Web, and such projects will inevitably involve consideration of the establishment of international standards for semantic Web. If this situation goes on unaddressed, those nations might determine all the international standards for semantic Web without the inclusion of Japan. To prevent this from occurring, Japan should begin R&D efforts soon, and commit itself to the development of international standards for this new technology. One new business after another is springing up in Europe and North America, taking advantage of results from the semantic Web R&D projects. If Japan does not act, the nation will fall disastrously behind in this information technology and will become a land devoid of this line of business.

Being aware of this critical situation, this report intends to identify the issues and future directions of semantic Web by exploring the latest trends with standardization of this new kind of Web at W3C (World Wide Web Consortium), a major standardization organization of Web technologies, and with semantic Web R&D activities in the U.S. and Europe.

Contents

Chapter 1 Semantic Web Technology Outlined
1.1 What is Semantic Web?
1.2 Layer structure of Semantic Web
1.3 Differences from the traditional Web

Chapter 2 Why Japan Should Develop Semantic Web
2.1 Its necessity
2.2 Its effects
2.3 Its potential (marketability)
2.4 Applications
2.4.1 Where Semantic Web applies
2.4.2 Semantic Web applications classified
2.4.3 Instances of Semantic Web applications

Chapter 3 What Can Result If Japan Ignores Semantic Web
3.1 What if Semantic Web does not eventuate
3.2 What if Japan lags behind in spreading Semantic Web
3.3 Can Japan, a latecomer, catch up with Europe and North America?

Chapter 4 Survey of Trends with W3C's Standardization Related to Semantic Web
4.1 W3C's Semantic Web activities
4.2 Groups involved in the Semantic Web activities
4.3 Semantic Web advanced development

Chapter 5 Trends with R&D Related to Semantic Web in the U.S.
5.1 DAML (DARPA Agent Markup Language)
5.2 DCMI (Dublin Core Metadata Initiative)
5.3 RSS (RDF Site Summary)

Chapter 6 Trends with R&D Related to Semantic Web in Europe
6.1 EU Commission's IST Program
6.2 OIL (Ontology Inference Layer)
6.3 Semantic Web application systems and tools

Chapter 7 Issues and Future Directions of Semantic Web
7.1 Issues with Semantic Web
7.2 Future directions of Semantic Web

Glossary

Appendix I: Replies to FAQs
Appendix II: Documents surveyed






Guidelines for Applying RM-ODP and UML Profile for EDOC
With the Focus on Enterprise Modeling
Introduction

This document describes open distributed processing and enterprise system modeling.

Many people may wonder what brings, open distributed processing and enterprise system modeling, together. Some may also think that it is strange for an organization like INTAP to be dealing with modeling.

First, allow us to describe open distributed processing. Being "open," such distributed processing cannot be closed to any definite organizations or corporations. It is meant to operate across organizations and businesses. This in turn means such processing has to have its protocol, interface, behavior (business processes, etc.), security, systems management, and other regulations (or policies) all written to be gopen,h i.e., described in compliance with standards understandable to third parties. Otherwise, it would be necessary to design and develop nC2 (n is the number of enterprise systems involved) kinds of conversion / software in order to, for instance, add some software that adds new value to existing enterprise systems or create a system that unites multiple enterprise systems. Although similar arguments existed in the OSI era, gstandardsh become the key to reducing some extent of its complexity, from O(nC2) to O(n).

Response to complexity by applying a standard

Next, modeling of enterprise systems. The modeling of an enterprise system has been processed at the upper stage of the development of the system, to analyze and arrange its requirements. Then, based on the results, the system was developed to produce the maximum results in a specific environment. In this kind of modeling, the concepts, model elements, description method, development methodology, etc, differed depending on the specific enterprise system and the project. Furthermore, such modeling allowed the system to grow much larger and much more complex as the organizationfs / corporationfs operations grew larger and/or more complex. Such a large scale and complexity made it hard to grasp the whole picture of the enterprise system development work and projects. The loss of understanding of the whole picture has so far caused many different problems. Hence, it is desirable to create a model of enterprise systems that is compliant with the relevant standards, and understandable to third parties.

Open distributed processing and enterprise system modeling, therefore, have deep connection in terms of standard description of external specifications. INTAP has thus prepared the guidelines, which will be helpful in solving the two problems of complexity and interoperability, and in applying open distributed processing to enterprise system modeling.

As part of the preparatory work for the guidelines, we conducted gResearch on Modeling Methodology and Software Designing for Distributed Applications,h appended to this document. We hope this will provide you with helpful comparative information.

Contents

Chapter 1 About This Guideline
1.1 Outline
1.1.1 The guidelines outlined
1.1.2 Standards applied as the basis
1.2 Assumed target readers
1.3 Things to note in using the guidelines

Chapter 2 Open Distributed Processing Modeling Technology
2.1 RM-ODP
2.2 UML and UML Profile for EDOC

Chapter 3 Guide to Model Creation
3.1 Guide to applying RM-ODP Viewpoint
3.1.1 Basic concepts
3.1.2 Guide to operational flow
3.1.3 How to apply the viewpoints
3.1.4 Guide to the granularity of detailing
3.2 Guide to applying RM-ODP Enterprise Language
3.2.1 Guide to identifying communities
3.2.2 Guide to identifying roles
3.2.3 Guide to the extraction of objects
3.2.4 Guide to policies
3.2.5 Guide to describing processes
3.2.6 About the limitations of this method
3.3 Guide to UML Profile for EDOC
3.3.1 Basic concepts
3.3.2 Enterprise Viewpoint
3.3.3 Information Viewpoints
3.3.4 Computational Viewpoints
3.3.5 Engineering and Technology Viewpoint
3.3.6 Guide to using the other profiles
3.3.7 About limitations of this method

Chapter 4 Requirements of Application Support Tools
4.1 Tools to help RM-ODP model description
4.2 Tools to help RM-ODP model description using UML Profile for EDOC

Chapter 5 Positioning within the Development Process

Reference Documents

Appendix: Modeling Methodology for Distributed Applications






Guideline for Selective Use of iDC
Introduction

Originally developed in the U.S., Internet data centers (to be referred to as "iDCs" hereafter) have spread worldwide in an extremely short period of time, thanks to the expansion of Internet services and the universal appeal of the Net. In Japan today, we are seeing the emergence of sixty to seventy iDC businesses, both large and small.

In the U.S., iDCs were originally intended to reduce running costs by large-scale intensive management of servers and data storage, and also provide advanced security and secure connectivity. In addition to these, the integration of many vendorsf servers enabled the exchange of data among corporations within an iDC and, furthermore, allowed the provision of business models created in the iDC. Meanwhile in Japan, the governments(national and local) are considering and/or trying to provide administrative services to the general public and allow the procurement of supplies over the Internet. In those cases, the information systems have to satisfy two contradicting demands: while they need to manage information handled by national and local governments, at the same time, they need to publish such information openly to the general public and businesses. A practical solution currently proposed for this problem is using iDCs as a mediator.

With iDCs bearing more responsibilities as part of the infrastructure that influences peoplefs lives and activities of corporations, iDCs come to serve a greater variety of services with more diversity of service levels. At the same time, it is becoming harder, both technologically and financially, for an iDC provider to independently provide all the services required. Many providers are now sharing services among themselves to avoid and handle various risks, and utilize the services of expert consultants, to cope with the rapid progress of technologies.

From the standpoint of an iDC user, it is already very hard to choose the right iDC from so many providers. One might make the error of subscribing to a full-service iDC (at a hefty rate) when a simple limited-service iDC(at a much lower rate) would have sufficed. Or someone in need of an iDC with high security(e.g. for the protection of customer information), may wrongly sign-up with a service provider where information can be accessed freely by unspecified users.

Meanwhile, some have forecast in the U.S. that 80% of corporate information will be based on iDCs by the end of 2003. And in Japan as well, many systems integrators (SIers) will soon select the right iDCs for their purposes, and build their customer information systems using these iDCs.

Since this Spring, being aware of these situations, INTAP has been surveying iDCs from the viewpoint of a SIer and trying to define some criteria for choosing the right iDCs. Though covered by the single term of giDCs,h they are in reality highly diversified in their size and scale of operations; from facility-oriented iDCs that use huge-capacity lines, to those integrated-service providers that offer applications as well. For this reason, it would take many months of research to cover all of these variations. Yet such a longterm undertaking can become easily outdated by the time the results are produced. Thus, at the risk of insufficient coverage and limited research, we have decided to present this incomplete guideline to help the readers choose the right providers of basic iDC services. Though this guideline mainly supposes SIers as its target readers, we believe it will also be helpful to ASPs and systems divisions of corporations and bureaus that use iDCs. We hope our member corporations, as well as government bureaus (national and local) and private businesses, will find this guideline useful.

March 2002

Masahiro Honda, Chairman, iDC/ASP Committee

Guideline to Selective Use of iDC

Contents

Chapter 1 What Is an iDC?
1.1 Whole picture of an iDC
1.2 Positioning of iDCs and their future
1.3 Whether or not to use an iDC

Chapter 2 Structure of This Guideline
2.1 Presuppositions for selection
2.2 How to use this guideline
2.3 List of selection criteria

Chapter 3 Facilities
3.1 Performance
3.1.1 Base
3.1.2 Building
3.1.3 Power facilities
3.1.4 Air-conditioning systems
3.1.5 Utilities
3.2 Scalability
3.3 Availability
3.3.1 Site
3.3.2 Building
3.3.3 Power facilities
3.3.4 Others
3.4 Security
3.4.1 Base
3.4.2 Building
3.4.3 Management and monitoring facilities
3.5 Operation
3.5.1 Regular inspection
3.5.2 Daily inspection
3.5.3 Monitoring of operations
3.6 Contracts
3.7 Rate systems
3.7.1 Building specifications and rates
3.7.2 Power facilities and rates
3.7.3 Operational systems and rates
3.8 Summary

Chapter 4 Connectivity Services
4.1 Performance
4.1.1 Coverage of customers by a single ISP
4.1.2 Interconnections among providers
4.1.3 Absolute line capacity
4.1.4 Closed private networks
4.1.5 Number of IP addresses obtainable
4.1.6 Path control protocols
4.1.7 IPv6
4.2 Scalability 4.2.1 Backbone connection bandwidth
4.2.2 Maximum access bandwidth available for a contract
4.2.3 Time required to double bandwidth
4.3 Availability
4.3.1 Subscriber port MTBF
4.3.2 Duplexing gateway routers
4.3.3 Physical multiplexing
4.3.4 How to switch among redundant paths
4.4 Security
4.4.1 Security policies and measures
4.4.2 Firewalls
4.4.3 CPE-based VPN services
4.5 Operation
4.5.1 Failure handling
4.5.2 Traffic management
4.5.3 Disclosure of operational information
4.5.4 Failure report and regular maintenance report
4.6 Contracts
4.6.1 SLA
4.6.2 Insurance to cover lost business opportunities
4.7 Rate systems
4.8 Summary

Chapter 5 Housing Services
5.1 Performance
5.1.1 Dedicated rooms
5.1.2 Dedicated spaces
5.1.3 Racks
5.2 Scalability
5.2.1 Total floor area
5.2.2 Unit of scaling
5.2.3 Scalability of power supply
5.3 Availability
5.3.1 How racks are occupied
5.3.2 Accompanying networks
5.3.3 Alternative centers
5.3.4 Data backup
5.3.5 Emergency handling
5.4 Security
5.4.1 Technological monitoring
5.4.2 Licenses obtained
5.5 Management
5.5.1 Operation services
5.5.2 Operation environment
5.5.3 Reporting
5.6 Contracts
5.6.1 Adjustment of service specifications
5.6.2 SLA of facilities
5.6.3 SLA of Internet services
5.6.4 SLA of Operation services
5.7 Rate systems
5.7.1 Dedicated rooms
5.7.2 Dedicated zones or spaces
5.7.3 Racks
5.8 Summary

Chapter 6 Hosting Services
6.1 Performance
6.1.1 Performance of Web servers, FTP servers, etc.
6.1.2 Basic performance of hardware
6.1.3 Processing capacity of database servers, AP servers, etc.
6.1.4 Degree of concentration of traffic and bandwidth of network
6.1.5 Performance of firewalls, routers, and other network devices
6.1.6 Performance of cache servers, such as proxy servers
6.1.7 Performance monitoring
6.1.8 Performance forecasting
6.2 Scalability
6.2.1 Scalability of a computer system
6.2.2 Making a system open
6.2.3 Dynamic reconfiguring
6.2.4 Management of configuration
6.3 Availability
6.3.1 Service guarantee time
6.3.2 Fault tolerance
6.3.3 Multiplexing
6.3.4 Failsafe
6.3.5 Geographic distribution
6.4 Security
6.4.1 Countermeasures to illegal accesses
6.4.2 Countermeasures to viruses
6.4.3 Countermeasures to leakage of classified information
6.5 Operation
6.5.1 Usual occasions
6.5.2 Occasional
6.5.3 In case of failure
6.6 Contracts
6.6.1 Beginning to provide services
6.6.2 Time period of service availability
6.6.3 SLA
6.6.4 Compensations
6.7 Rate systems
6.8 Summary

Chapter 7 Storage Services
7.0 SANs and NASs
7.1 Performance
7.1.1 System performance
7.1.2 How to control paths within the storage
7.1.3 Number of servers connected to a storage port
7.1.4 Number of HDDs connected to a storage controller
7.2 Scalability
7.2.1 In/Decreasing storage capacity
7.2.2 Kinds of servers connectable to storage
7.3 Availability
7.3.1 Redundancy
7.3.2 Maintenance
7.3.3 Backup
7.3.4 Backup services
7.4 Security
7.4.1 Zoning and LUN security
7.4.2 Media management
7.4.3 Monitoring file accesses
7.5 Operation and management
7.6 Rate systems
7.7 Summary

Glossary






Report from Research and Survey on Content Distribution Technologies
Introduction
Sources from Japan's IT Strategy Headquarters say the number of households connected to the Internet through what is called broadband networks, including ADSL, cable TV networks, fiber optic connections (FTTH), and others is approaching 3 million in Japan as of November 2001. In terms of the telecommunication infrastructure, the number of lines able to be provided totals at some 90 million. This figure far exceeds that of the number of households in the nation in 2000, 47 million. The nation is ready for the proliferation of continuous (always "ON") broadband Internet services.

In the U.S., some 10 million households in total are believed to be connected to the net via ADSL, cable TV, and fiber optics. A survey conducted on how those households use the Net, revealed that more than half of the households enjoy music and videos downloaded from the Internet.
The use of videos, music, and other kinds of rich contents need to spread further for the Net to extend and develop more. These can also create new business opportunities. It is obvious that content distribution is among the major keys to successful Internet businesses for years to come.

For content distribution over the Internet to expand, in addition to mass production of contents, efficient production in small quantities of many different contents and systematic management of such contents are essential. A great diversity of contents should be produced to meet the individual users' tastes and be distributed to suit their device environments. Also necessary are advanced methodology of information compression to prevent network congestion and efficient distribution systems that distribute the traffic to prevent concentration of load on the servers.
On top of this, there should be a system to allow content providers and distributors to make appropriate profits from their digital contents, which do not degrade in quality with each reproduction. The social framework should be also arranged to facilitate distribution businesses of digital contents.
The Content Distribution Technology Committee, seeing this situation, has decided to conduct a survey on the latest trends for the whole cycle of content production, to distribution, to profit making.
In the U.S. especially, venture businesses of many kinds are competing against each other over this whole cycle. At the same time, those businesses are trying to secure interoperability among themselves by standardization. And technology is not the only issue that matters. With respect to usersf privacy protection, securing of their right to know, protection of copyrights, and some other related issues, there is strong demand for legal measures and business guidelines.

This report is meant to be the first step toward the goal of enabling the Japanese society to understand better, this new field of content distribution over the Internet. The committee hopes the report will be of some help to the progress of the content distribution industry in Japan, as well as to the Japanese society in general, as it moves toward a society of information technology.

March 2002
Shuichi Tashiro, Chairman of the Content Distribution Technology Committee

Content

Chapter 1 Generation
1.1 Content asset management
1.2 Prediction of the U.S. market size
1.3 On the market trends, business models, and technological trends related to content asset management
1.3.1 Market trends
1.3.2 Hopeful service models
1.3.3 Technological trends

Chapter 2 CDN
2.1 What is CDN
2.2 Trends with standardization
2.2.1 OPES (Open Pluggable Edge Services)
2.2.2 Trends with researches and development of peering (IETF CDI group)
2.3 Caching technology
2.3.1 Caching technology for static content
2.3.2 Caching technology for dynamic content
2.4 Content adaptation
2.4.1 Modeling of content adaptation
2.4.2 Categorization and instances of content adaptation
2.4.3 Trends with standardization
2.4.4 Problems remaining with content adaptation
2.5 Streaming
2.5.1 What is streaming all about
2.5.2 Basic streaming technologies
2.5.3 Streaming applications
2.5.4 Internet streaming technologies
2.5.5 P2P

Chapter 3 Making Profits
3.1 What does profit making mean?
3.2 What is DRM?
3.2.1 Market trends
3.2.2 Trends with DRM technologies
3.2.3 Problems remaining with DRM
3.2.4 Topics for DRM Conference 2002
3.3 AAA
3.3.1 Basic framework of AAA
3.3.2 Examples of AAA applications
3.4 Internet advertisements
3.4.1 Internet ad market
3.4.2 Formats of Internet ads
3.5 Business models
3.5.1 A paradigm shift in the Internet
3.5.2 Business models

Future tasks

Conclusion

Glossary

Conclusion

In the entire Internet-related business market, the content-related businesses should gain more and more weight in the future. They will, without doubt, be the mainstay of the market.
The committee's report has made clear the technological trends with content distribution. The research has also revealed that there remain many points among the major systems involved in content distribution that are still in need of full interoperability. Though IETF and some other industry associations are working hard to bring full interoperability to some of these points, those efforts are still in their early stages.
This report has also presented another major issue to us. Since content distribution involves many highly complex systems, other issues such as protection of usersf privacy and securing their right-to-know have also become apparent. In order to solve these issues and develop content distribution into a sound market for the next generation, many of the parties involved should reach an agreement on guidelines for the operation of systems, technological standards, and many other issues. The committee hopes this report will give some assistance to the efforts to reach such a goal, and thus to the development of a sound society of information technologies.