APAN 2003 Conference in Fukuoka

Technology Track (Track A) Abstracts & Biodata

A1: Native Internet Name (Room A 09:00-10:30, Jan 22)

Chair: Yoon Jung Park <yjpark@myepark.com> (Net Vision)

Internet names in native languages are being deployed mostly in East Asia, and this session review the current status on deployment in the East Asian language communities including Chinese, Japanese, and Korean, and discuss on various pending issues.

1. Japanese Internet Name Service - Domain Name
Hiro Hotta <hotta@jprs.co.jp> (JPRS, Japan)


Several aspects of the experiences in the introduction of Japanese domain names under .jp will be explained in this presentation.

Registration service of General-Use JP Domain Names was launched in February 2001, where domain labels are registered at the second-level. Japanese domain name was one of the 2 types of General-Use JP Domain Names along with an ASCII domain name. The presentation will explain several methods such as sunrise period and reserved words that were employed to avoid chaos and cybersquatting in the General-Use JP domain name space. Historical statitics of the registration will be shown in the presentation. Then, several schemes elaborated to build environments in which Japanese domain names are utilized will be presented. Finally, JP's decisions on IDN-admin, i.e., how the concept of variant characters is handled under .jp, will be explained.

2. Chinese Internet Name Service - Keyword
Karen Liu <karen@3721.com> (3721)

3. Korean Internet Name Service - Keyword
Joon Byun <jsbyun@netpia.com> (Netpia)


  1. Definition of Netpia's Native Internet Name
  2. Netpia's NIN system solution
    • Distinctive features
    • Significant characteristics
  3. Technical service flow
  4. Different models of service application
    • internet site
    • email address
    • mobile solution
    • other application examples
  5. Case Study: Korea
    • user base statistics
    • service coverage
    • partnership status
    • business application examples
  6. Global expansion of service
    • building of global service architecture
  7. Conclusion & Summary

4. Chinese Internet Name Services - Domain Name and Common Name
Lee Xiaodong <lee@cnnic.net.cn> (CNNIC, China) (remote presentation)


Nowadays, IDN/CDN is still very hot, but up to now, there is no perfect solution, because achieving internationalized access to domain names is a complex issue, CNNIC (China Internet Network Information Center) has made many efforts on such issue. This presentation mainly introduces some CNNIC activities on IDN/CDN, and at same time, it presents the other name service provided by CNNIC, Common Name System.


  • IDN: Internationalized Domain Name
  • CDN: Chinese Domain Name
  • TC/SC: Traditional Chinese/ Simplified Chinese

A2: IPv6 Router Development (Room A 11:00-12:30, Jan 22)

Chair: Katsushi Kobayashi <ikob@koganei.wide.ad.jp> (CRL, Japan)

1. IPv6 Hardware Router Design
Yoshifumi Atarashi <atarashi@ebina.hitachi.co.jp> (Hitachi)


Hitachi developed IPv6 Gigabit Router. Its product is called GR2000. It is hardware-based IP router and IPv4-IPv6 symmetry design. GR2000 supports many kind of interface(T1 to OC-48). For GR2000, we implemnted ASIC of IP protocol engine. I will talk about GR2000's architecture and hardware based IP tech.

2. IPv6 Update
Matthew Schmitz <mschmitz@cisco.com> (Cisco)

A3: Measurement (Room A 14:00-15:30, Jan 22)

Chair: Yasuichi Kitamura <kita@jp.apan.net> (CRL, Japan)

1. NLANR/MNA Measurement and Network Analysis
Ronn Ritke <ritke@nlanr.net> (NLANR)


The mission of the NLANR Measurement and Network Analysis group is to study the operation of computer networks, measuring the flow of traffic and analyzing performance issues, to better understand the theoretical and practical behavior of the systems.

To help accomplish this goal, we created the Network Analysis Infrastructure (NAI) to support measurements and network analysis (within and outside the group)

The NAI consists of two main components PMA and AMP. PMA packet header traces give tremendous amounts of detail at selected points. There are over 130 AMP machines in a full mesh that measure RTT, path, packet loss, and give long-term big scale trend analysis

The NLANR/MNA group has a number of International Collaborations. An overview of NLANR/MNA project and those collaborations will be given in this talk.

2. Active Measurement Project for KREONET & APAN
Manhee Lee <mhlee@kisti.re.kr> (KISTI)


KREONET(Korea Research Environment Open NETwork) is one of the five national network systems in Korea. It has been providing Internet services since 1988 for the science and technology communities. In 2001, KOREN and KREONET connected STAR TAP with 45Mbps link. To measure the performance of the link, AMP is appropriate because it has been already measuring the performance of STAR TAP and many other networks, which connects over hundred institutes and universities. Since we adopted an amplet from NLANR/MNA, it has been successfully monitoring 117 sites helping our NOC members analyze the network status.

By the help of NLANR/MNA members, we have installed our own AMP set consisting of two servers and 10 amplets. In Fukuoka, we will introduce following things.

First, we will introduce our activities for making AMP KOREA. We already installed AMP for KREONET, which is still expanding. For measuring KOREA wide network performance, we are trying to install AMPlets in APAN-KR members because they are very active in research area and are well-distributed in Korea.

Finally, we will explain how to join AMP APAN. To encourage joining, we will show some demonstrations and explain that it is easy to install and easy to use. If AMP is constructed in Asia, it can help Asian network engineers understand how network status is in Asia and exemplify a type of Asian collaboration.

3. Game Traffic Analysis
Yongho Seok (Seoul National University, Korea)

A4: Intercontinental Update (Room A 09:00-10:30, Jan 23)

Chair: Shigeki Goto <goto@goto.info.waseda.ac.jp> (Waseda Univ., Japan)

1. Global Research Connectivity - A European Perspective
Dai Davies <dai.davies@dante.org.uk> (DANTE) (remote presentation)

2. Trans-Eurasia Information Network Status Report
Bo-Hyeon Seo (APII CC, KISDI)

3. TransPAC Extension and International R/E Networking Future Direction
Williams, James G <william@indiana.edu> (Indiana)

4. IEEAF Global Quilt Update
Don Riley <drriley@cio.umd.edu> (IEEAF)

A5: South Asia Country Update (Room A 11:00-12:30, Jan 23)

Chair: Byung-Kyu Kim <bkkim@apan.net> (KAIST, Korea)

The session reports on R&E networking status of South Asia including Bangladesh, India, Pakistan and Sri Lanka, and explore on regional networking.

1. India
Anil Rawat <rawat@cat.ernet.in> (Centre for Advanced Technology)

2. Status Report: Pakistan Education and Research Network
M Hassan Zaidi <drzaidi@niit.edu.pk> (NUST Institute of Information Technology)


One of the most crucial factors impeding the development of quality human resource in the increasingly important area of information technology in Pakistan is the acute shortage of appropriately qualified and experienced faculty. To address this critcal issue, the Government of Pakistan has initiated a Project for establishing High speed multimedia connectivity between the various IT Universities/institutes so as to cater for both synchronous and asynchronous learning modes, besides providing a platform for collaborative research and development work. A total of 38 Public sector and 18 Private sector Universities have been included on this network in the first phase. This high speed information delivery mechanism will not only enable sharing of high quality human and material resources between the national IT institutes but also enable these universities to interact with international educational and research community. This presentation provides an overview of the Pakistan Education and Research Network (PERN) including the description of the core, access and last mile solutions. Recommendations for developing the connection with APAN network for pursuing collaborative research and development activities are also included. Although the Paksitan's Education and Research network is currently in its infancy, we believe that Pakistan has enough Telecom/Networking Infrastructure in the form of PERN to establish linkage with APAN consortium and contribute to this prestigious education and research community.

3. Internet and Data Communication Infrastructure in Bangladesh
S. M. Lutful Kabir <lutfulkabir@iict.buet.ac.bd> (Bangladesh Univ. of Eng & Tech)

4. Academic Networking in Sri Lanka
Ajantha Atukorale <ajantha@cmb.ac.lk> (Univ. of Colombo School of Computing)

A6: Multicast BOF (Room A 14:00-15:30, Jan 23)

Chair: JongWon Kim <jongwon@kjist.ac.kr> (K-JIST, Korea)

1. Synchronized multicast media streaming
JongWon Kim <jongwon@kjist.ac.kr>, Donghoon Yi <dhyi@kjist.ac.kr> (K-JIST)


A new inter-client synchronization framework employing a server-client coordinated adaptive playout and error control toward one-to-many (i.e., multicast) media streaming will be discussed in this talk. The proposed adaptive playout mechanism controls the playout speed of audio and video by adopting the time-scale modification of audio. Based on the overall synchronization status as well as the buffer occupancy level, the playout speed of each client is manipulated within a perceptually tolerable range. Additionally, the server implicitly helps increasing the time available for retransmission while the clients perform an interactive error recovery with the assistance of adaptive playout control. By coordinating the playout speed of each client, the inter-client synchronization with respect to the target presentation time is smoothly achieved. The cumulative feedback for retransmission assisted by both playout speed manipulation at clients and implicit help of a streaming server is also conducted to increase the reliability. Furthermore, RTCP-compatible signaling between the server and group-clients is performed, where the exchange of controlling message is restricted. The network-simulator based simulations show that the proposed framework can reduce the playout discontinuity without degrading the media quality, and thus mitigate the client heterogeneity.

2. APAN-KR overlay multicast working group activity
Joonbock Lee <jblee@cosmos.kaist.ac.kr> (KAIST) and others


In this presentation, we will talk about APAN-KR overlay multicast working group's activity.

APAN-KR overlay multicast working group's goals are

  • to experiment current overlay multicast technology and find practical/research issues
  • to deploy APAN-KR overlay multicast testbed for research experiment and services
  • to explore applications which can be serviced on overlay multicast testbed and do experimental service.

The testbed was deployed using the Castbox in 5 research institutes and will be expaned to the most of the APAN-KR research institutes. And also we made digital video multicast system on the testbed with APAN-KR digital video working group and we had three broadcast experiments using the system. We are stabilizing the testbed and digital video broadcast system, and want to expand this activity to APAN.

3. IP Broadcasting over Unidirectional Satellite Link
Kanchana Kanchanasut <kk@cs.ait.ac.th>, Patcharee Basu <yoo@cs.ait.ac.th> and Tippyarat Tansupasiri <fon@cs.ait.ac.th> (AIT, Thailand)


We consider sharing a unidirectional satellite link between bandwidth hungry applications typically found in broadcasting environment, namely, time sensitive realtime streaming and bulk reliable multicasting. With unidirectional satellite environment, there is a long latency delay but high bandwidth on the downstream link while return paths could be with low bandwidth. Though reliable multicast is not time sensitive but delays on the transmission can cause congestions or ACK implosion on the return path. To ensure data reliability and congestion control, our reliable multicast protocol on unidirectional satellite link (RMUS) monitors the current condition of the network and adjusts the transmission rate accordingly. With a scheme to provide dynamic QoS configuration or D-QoS, high quality real-time broadcasting can occupy the entire transmission channel to ensure minimum delay, loss or jitter causing packet loss on other flows. The co-existence of these two types of applications on a satellite link is typical due to the broadcasting characteristic of the satellite. In this paper, we propose a scheme where RMUS can co-exist with DQoS without disrupting the operation of the link nor effecting end results for respective applications running on the same link.

Keywords: Reliable Multicast, Unidirectional Link, Satellite Internet, Dynamic QoS

A7: Multimedia/Video (Room A 16:00-18:00, Jan 23)

Chair: Sureswaran Ramadass <sures@cs.usm.my> (USM, Malaysia)

1. The Integrated Media Systems Center's Immersive Multimedia Technologies
Isaac Maya <imaya@imsc.usc.edu> (remote presentation)


USC's Integrated Media Systems Center (IMSC) (http://imsc.usc.edu) is NSF's Engineering Research Center in multimedia and Internet technologies. Its research program is designed to expand the diversity and effectiveness of communication among people and computing systems. IMSC's vision of immersive communication and collaboration technologies extends 10 to 20 years into the future. IMSC views Immersipresence as the next great breakthrough in our digital era that will dramatically change our world within this decade, transforming our 2D world of computers, TV and film into 3D immersive environments in our living rooms-or anywhere. The research drives, and is also driven by, how we could harness immersive technologies for transforming customer-oriented business processes, education and entertainment systems.

IMSC's work is already leading to the development of interactive and augmented reality technologies that have near-term application for integration into critical business processes, education and entertainment by changing and enriching visual, auditory, and haptic (touch-related technologies) communication modalities. Leading candidate technologies relate to advanced graphics and visualization, avatar creation, 3D face and body capture, animation and expression analysis; and speech recognition, intelligent text and voice recognition. As a leader in the multimedia and Internet field, IMSC has developed such unique immersive technologies as 3D face modeling and animation, panoramic video technology, and Immersive Audio. Major progress is also being made in haptics, data compression and wireless communications.

IMSC has developed a progressive industry program for sponsoring research and conducting technology transfer and licensing. Among IMSC's more than 30 industry partners are Boeing, Eastman Kodak, FX Palo Alto, Hewlett-Packard, Intel, Lockheed Martin, Microsoft, NCR, Raytheon, Sun Microsystems, TRW, and smaller entrepreneurial companies. IMSC also partners with NASA, including NASA's Jet Propulsion Laboratory, and the Defense Advanced Research Projects Agency. Since its inception, IMSC has had 83 invention disclosures filed at the USC Technology Transfer Office, 46 patents filed, six patents issued, 77 commercial licenses and technology transfers, and seven small company spin-offs established.

The Integrated Media Systems Center (IMSC) at the University of Southern California (USC) carries out a successful cross-disciplinary program of research, education, community outreach and industry collaboration and technology transfer. IMSC was established as an NSF ERC in 1996. IMSC has 39 faculty investigators, 113 graduate research assistants, 33 undergraduate research assistants, and 15 administrative staff. IMSC's annual operating budget is approximately $10 million.

2. Bandwidth Control in Multiple Video Windows Conferencing System
Lee Hooi Sien <hslee@nrg.cs.usm.my> (NRG Malaysia)


In recent years, technology has made a dramatic move towards multimedia application especially in conferencing system Nowaday , the development of conferencing systems that involve multiple parties is very encouraging. As a result, multiple video streams over the Internet are needed in order to provide better visualization.
As compared to audio packets, video packets require more bandwidth during transmission. In order to avoid packet loss or network congestion problem, it is important to have good control of bandwidth in Multimedia Conferencing System that has multiple video windows.

3. SIP - Functionality Structure of the Protocol
Omar Abouabdalla <omar@nrg.cs.usm.my> (NRG Malaysia)


The Session Initiation Protocol (SIP) is an application-level control protocol for setting up, changing and terminating multimedia sessions between participants on IP data networks. In 1999 SIP was approved as an official standard and RFC2543 was published. SIP can enable a range of services, such as Internet telephony, multimedia conferencing, registration and redirection services, and simplifies connecting to VPNs. As its name implies, SIP is responsible for session signaling, a necessary exchange of messages to establish a communication session, be it voice, video or multimedia. In this paper we are going to provide information about the protocol functionality, and also we are going to describe the structure of the protocol.

4. Implementation of Video Layering in Multicast Transmission
Jhoanna Rhodette A. Ibabao <jhoanna@eee.upd.edu.ph> (Univ. of the Philippines)


A technique to control the quality of video reception in the Internet is hierarchical or layered video. Using this method, video information is split into a base layer and several enhancement layers that improve video quality. Each client only has to receive layers of video that will fit into their network bandwidth. This paper describes the implemetation of video layering by using Discrete Wavelet Transformation. Also discussed is a server application which transmits the different layers and a client application which regulates the received video streams by adding or dropping channels depending on network congestion.

A8: Lambda Networking (Room A 09:00-10:30, Jan 24)

Chair: Dae Young Kim <dykim@cnu.ac.kr> (CNU, Korea)

1. Building a Lambda Switching Capable Infrastructure
Sam Mokbel <Sam.Mokbel@orano.on.ca> (ORION, Canada) (remote presentation)


ORANO is in the process of building the world's largest user owned research and education optical network. One of the design principles is the ability of the physical infrastructure to accommodate the growing bandwidth requirements and unplanned technical needs of the users at minimal costs. This presentation will discuss the final design and operating principles of the network in a budget and resource constrained environment.


Mr. Mokbel is the ORION Project Director. He has a long history of involvement in the Canadian and international advanced networking community. Mr. Mokbel was the Chief of Engineering at ONet Networking and has held senior technical and management positions with various Canadian and American companies including Digital Equipment and CopperCom in Santa Clara, California. He teaches part-time at the Rotman School of Management at the University of Toronto and is a frequent speaker at industry and academic forums. He holds a Masters degree in Engineering and an MBA from the University of Toronto.

2. Kent Ridge Advanced Network (KRAN)
Ngoh Lek Heng <lhn@i2r.a-star.edu.sg> (A-Star, Singapore)


The objective of Kent Ridge Advanced Network is to develope an advanced IP optical network infrastructure to support grid computing. This 18-month project has three key components: experiment and evaluation of emerging LAN/WAN network technologies, a 3-node multi-lambda optical plane, and trial and measurement of grid middleware and applications performance. In this talk, some initial results obtained will be presented along with a discussion on our future work plan.

3. An Owned and Lit Fiber Infrastructure for Research & Education
Ronald Johnson <ronj@cac.washington.edu> and Jacqueline Brown <jbrown@cac.washington.edu> (CAC, U Washington, USA)

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