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Welcome to the Future Internet-Testbed for Winning Opportuni.....
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Welcome to the Future Internet-Testbed for Winning Opportunities

From the Internet to the Future Internet
Since the 1970’s, when the Internet started and began its high technology development for national defense, with over forty years of improvements, it has been applied extensively in everyday life. According to the International Telecommunication Union (ITU), the latest statistics show that the global internet population will exceed two billion. In order to satisfy diverse needs in modern society, the Internet constantly improves its applications and techniques; yet, its framework problems require constant attention, such as security, availability, and scalability. Therefore, in the U.S., the E.U., and Japan, governments, high technology corporations, and universities tried to develop new Internet techniques, and generate new ideas of next Internet generation. Then the “Future Internet” was invented.

What Is the Future Internet
Generally speaking, “Future Internet” refers to the technology to solve internet problems; it is not a single technique or standard. For example, according to the Number Resource Organization (NRO), 95% of the IPv4 addresses has been issued, and by early next year there will not be enough left to service demands. Currently, IPv4 address depletion can only be resolved by switching to IPv6 technology. However, Internet routing is another urgent issue. Currently, there are approximately 300 thousand data on global routing lists, and continues to grow; if more addresses are used after IPv6 starts, the efficiency of the global Internet will become stagnant, and the expansion of routing and the Internet will also be affected.

current internet framework and future internet framework
―Figure 1 Current Internet framework ―Figure 2 Future Internet framework

Current Internet OSI framework is like a funnel, a “non-flexible framework” that connects applications and links through IP addresses. In order to improve the speed, security, stability, and function of the Future Internet transmission, bandwidths and transmission technology are enhanced from the bottom as more internet applications are invented. In addition to the extension of future technologies, Internet researchers have begun to construct and expand IP at the middle (as shown in Figure 2). Therefore, new approaches for the Internet intend to start from simplifying hardware and separating the complex control units from the original Internet structure. A self-defined method and framework are supplied to the Internet managers or researchers to design and test a new Internet agreement and practice, so that the imagined future Internet may be implemented.

Future Internet Testbed of the NCHC
In order to improve “Future Internet” technology, the NCHC established an Internet testbed that adopted OpenFlow, proposed by Stanford University, as the framework and standard. It also adopted Capsulator, open source tunnel software, to connect the Internet test platforms in schools and other organizations. This testbed is compatible in current Internet environment. In the past, Internet test or verification were implemented with software simulation or in a closed test environment. The Future Internet Testbed can reform the defect of the original Internet test environment, supply user better network efficiency, and obtain more accurate data, through the VPLS/L2VPN services in TWAREN and replacing software emulation with the Internet hardware.

future internet testbed framework
―Figure 3 Future Internet Testbed Framework in TWAREN
 

The NCHC, cooperated with the National Cheng Kung University and the Kaohsiung Applied Technology University, has finished the test environment of the Future Internet through tunnel software and VPLS/L2VPN services. The next step will be to plan some important TWAREN points of presence (POPs) for OpenFlow network facilities and begin to connect the “Future Internet” in schools and enterprises in order to help internet researchers develop advanced internet technology and improve their research. Furthermore, NCHC will join the HPDMnet project to connect with the iCAIR OpenFlow network in the iGENI project for international cooperation of the “Future Internet” testbed.

Future Development
The "Future Internet” is a new challenge for academic research and business applications on the development of software and hardware, as many innovative ideas must be repeatedly tested and verified. For the improvement of internet technology in Taiwan, the NCHC will continue the research of the “Future Internet”, and to provide an Internet testbed and expand its scale.

 

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Latest Update: 2014/08/28
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