Fall 2003 Internet2 Member Meeting
The following Poster Sessions were held during the Fall 2003 Internet2 Member Meeting
- Multicast over an Intracontinental Area
- The Converged Network of the Future
- Deployment of a High-Speed Metropolitan Network to Share Medical Information
- The Internet2 Commons Videoconferencing Service via H.323
- XML-Based Signaling for an On Demand/Scheduled Wavelength Path Service
- Polycom Video Error Correction (PVEC) Technology
- Advanced Applications in Drug Discovery and Multimedia Medical Education
- An Integrated Wireless Messaging Architecture in the Internet and Mobile Telecommunication Network Environment
- Network Security for Higher Education-Intrusion Prevention and Anti-Piracy
- Collaborative Learning in a Virtual Reality Environment
- Video Middleware Cookbook
Tereza Cristina Carvalho
This presentation shows the results of some cooperation experiments that have been developed between American and Brazilian research centers and universities in the Multicast transmission arena over Internet2. The purpose was to create an international multicast path that in the short run will allow the transmission of high-quality video among these institutions. It will include a 24 x 7 x 365 exchange of educative and informative digital videos. As not all the routers in the path between U.S. and Brazil support multicast transmission, the traffic generated in U.S. or Brazil has to be encapsulated in GRE tunnels. These tunnels create a point-to-point virtual link between the remote endpoints. It interconnects GigabitEthernet, ATM (Asynchronous Transfer Mode) and POS (Packet over SONET) subnets. As result, it is being created an intracontinental super highway for unicast and multicast traffic, assuring end-to-end quality of service and supporting not only Digital Video transmission but also HDTV transmission. This experiment involved the following Internet2 participants: University of São Paulo, ANSP (Advanced Network of State of São Paulo), FIU (Florida International University), utilizing Global Crossing infrastructure and the Abilene network in the U.S.
ENTERASYS NETWORKS, INC.
Anja A. Allen
With the emergence of protocols like SIP, the opportunities for the development of new and innovative applications for education are without limits. The implementation of multi-media applications will become common in educational and business organizations. New technologies such as simulation-enabled e-learning will be made possible by the increased convergence of voice, data, and images. But what about the network where all these new services and applications will be implemented? Simple QoS services will not suffice. The converged network of the future will have a never-before-seen level of complexity, and will need to be more secure than ever as more and more organizations depend on an increasing number of applications. New concepts such as identity and location will have to be introduced to master the challenges of tomorrow’s converged networks.
HEART INSTITUTE (InCor) Sao Paulo
The delivery of health care and sharing of medical information over a distance using telecommunication systems involve a diverse set of clinical, educational and research applications and an equally diverse set of e-technologies. The technological basis and the practical issues are highly variable from one clinical application to another. Moreover, if the information to be exchanged involves images, a special problem in cardiology is how to handle full motion video echocardiograms and cine angiograms. In the metropolitan area of São Paulo, Brazil a set of Research Institutions have been working in a project as part of a national effort to provide a very high performance backbone using ATM links. This project is based on image servers, which can store, send and receive medical images, as well as a set of visualization applications, which can communicate with the servers using DICOM 3.0 protocol. A middleware CORBA was developed to provide user authentication and validation through a public domain Directory Server using LDAP version 3 protocol. The integration of the existing corporate TCP/IP networks with the ATM infra-structure was performed by a number of Linux boxes, which implements the Classical IP over ATM mechanism and the IPSec protocol.
Poster will describe the current videoconferencing offering of “The Commons” that is being demonstrated at the meeting. Complete information will be available about current subscription options as well as future plans. Our view is that growing the future of intercollegiate and corporate research collaboration has a collective component perfectly suited to Internet2.
Toshikatsu Kanda, Hideki Yoshii
The prototype of an on demand/scheduled wavelength path service was developed using GMPLS and security technologies. This prototype permits customers to establish wavelength paths securely through the Web with zero touch operation. GMPLS is used for controlling the wavelength path network and PKI and biometrics are used for customer authentication. About the next generation network model, the separated networking functions model, which consists of control plane, data plane, and management plane, is proposed. Under this circumstance, a security issue among different planes as well as UNI/NNI and a lambda resource management issue have come up. To tackle these issues, we take the XML-based management approach and propose the XML-based Signaling (XBS). First, the XBS defines message formats and message sequences for on demand/scheduled wavelength path service requests/responses (signaling) at UNI/NNI. Second, the XBS carries management information for lambda resource management. Then this lambda resource management is generalized to the XML-based network management with other XML-based management activities such as XML MIB and Web Services. The XBS provides a secure management information exchange including request/response messages. Authentication is based on XML signature and PKI technologies. About the snooping threat, secure transport protocols such as HTTPS are used.
The information streams in video conferencing are UDP packets for audio and video. Currently there is no QOS on the public Internet, and you can have out of sequence packets and lost packets. Because UDP does not allow for packet retransmission you can have a video stream with missing information. Polycom has developed a method of application QOS called PVEC. The poster will describe how the PVEC technology works and can improve audio and video conferencing when there is packet loss. This technology is also being submitted to the ITUT for a future standards version.
Jesus Salillas, Artur Serra
The session will present advanced applications involving a collaborative international effort for large-scale data mining for drug discovery and prediction purposes, as well as an Internet2 Medical Education Channel with advanced multimedia streaming features. Innovative MPEG-7 speech recognition and video retrieval tools allow for the browsing of large quantities of educational video and for the integration with scientific data, such as searchable chemical structures and genome information.
An Integrated Wireless Messaging Architecture in the Internet and Mobile Telecommunication Network Environment
TANET2—NATIONAL CENTER FOR HIGHPERFORMANCE COMPUTING,
NATIONAL TAIWAN UNIVERSITY
Chiping Chan, Ching-Heng Ku, Zsehong Tsai, Yung-Chi Yang
A new wireless messaging architecture based on the integrated WLAN/GPRS multi-mode multi-messaging system has been proposed. This architecture, built on the Internet and the mobile telecommunication network environment, delivers the multimedia object and the short message and brings the corresponding advantage in the highbandwidth and the real-time delivery, respectively, in this integrated system.When an emergency event occurs, a quick message delivery channel will send messages to relative persons. The notice message will be sent using the short message service (SMS), and the content of the event downloaded through the Internet by the receiver will be stored in the multimedia object database. To achieve the above result, we use the object storage and retrieval techniques, and propose a phone number converting method, the specific message format, and the short message delivery technique in this system. The short message delivery will be achieved using the WLAN/GPRS card or the ISP service as sender. The message object in this scenario contains text/image/video/audio etc. In conclusion, the proposed system can achieve the real-time, guaranteed, and confirmed multimedia message delivery. This work is targeted at the enterprise, government, and campus users, and developed under the National Telecommunication Program of the National Science Council (NSC) in Taiwan.
This session will explore the unique security issues that face today’s universities. Campuses are required to provide open access to the network for students, often rendering the network vulnerable to cyber attacks. Campuses are also dealing with an increase in peer-to-peer applications, and are held liable when students download copyrighted information. Today’s breakthrough security products are addressing these issues by performing total traffic inspection. Intrusion prevention technology is able to block attacks and P2P traffic.
3-D virtual environments for online learning may be considered a second generation of software for distance learning support and allows learning by doing. The construction of these environments with both proprietary and open technologies is the object of this proposal.Methodology and processes used in the creation of 3-D objects and in the development of a collaborative learning environment software using virtual reality are the focus of the proposed session.
ViDe.Net WORKING GROUP/ UNIVERSITY OF ALABAMA AT BIRMINGHAM
The ViDe.Net Middleware initiative has created a cookbook that describes how to use implement H.350 directory services at your campus. This poster will address campus leaders’ interest in what video middleware can do for a university, and will then move into implementation details for technical staff who may implement these architectures. Specific topics covered will include:
- Why are authoritative directory services important for video and voice over IP?
- What application scenarios are enabled by thistechnology?
- What is the Video Middleware Cookbook?
- What is H.350?
- What architectural choices are available?
- How do I make it all work?