Download Broadband Internet Deployment in Japan by H. Esaki, H. Sunahara, J. Murai, J. Mural PDF

By H. Esaki, H. Sunahara, J. Murai, J. Mural

ISBN-10: 1435678044

ISBN-13: 9781435678040

ISBN-10: 1586038621

ISBN-13: 9781586038625

Japan is recognized because the nation the place the penetration ratio of the clever cell phone process is big. In 2007, it used to be pronounced that during the mobile phone procedure in Japan, the complete quantity of information site visitors turned greater than that of voice site visitors. Now, the telecommunication infrastructure goes to be converged with broadcasting infrastructure. 2011 is termed because the first 12 months of the total electronic age. in the direction of 2011, the subsequent technical demanding situations may perhaps come up: improvement and deployment of end-to-end structure at the latest complicated IPv4-based web; improvement of eastern infrastructure, that's globally aggressive and globally interoperable; improvement of latest purposes and new company versions within the ubiquitous networking surroundings; improvement of net platforms as a social infrastructure; integration with the real-space (i.e. integration of actual area and cyber space); NGN (Next iteration community) and FMC (Fixed cellular Convergence); and improvement and deployment of the unwired web surroundings. as a way to development the activities indexed above, we needs to identify powerful collaboration between and academia. This quantity seems into the demanding situations and possibilities.

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3. 4. 5. 6. 7. 8. 5. IPv6 Commercial Operation (1) IPv6 Commercial Operation by ISP Japanese ISPes has started their commercial or trial IPv6 service since around 2001. The followings are examples of time frame when the major ISPes has started their IPv6 service to the end-customers.       IIJ, Internet Initiative Japan : November 2001. NTT Communications: August 2002. KDDI : November 2002. Softbank BB! : February 2005. NTT Esat : January 2004. NTT West : April 2004. 12 Chapter 1. Brief History of Internet Deployment in Japan As shown in figure 1-1, more than 5 million residential subscribers has been ready to start to use the IPv6 service, and more than 100 thousands of customers has already connected through the IPv6.

The EZweb service started in 1999 in conjunction with the release of the cdmaOneTM system. In its early stages, EZweb provided hundreds of pages through KDDI (au) official sites. However, with the increasing demand for mobile content, the number of sites has been drastically increased. Now EZweb provides a wide variety of content, like music, movies, program downloading, shopping, books and comics, navigation and e-learning, etc. In 2003, KDDI (au) offered a flat rate packet service. Since then, users have been able to enjoy packet services at a lower cost.

In Japan, however, it is not yet clear what type of architecture will be adopted in the network when operators try to introduce NGN capabilities, since each operator may have a different strategy in expanding its mobile and fixed network businesses. 4. Protocols in Mobile Internet To accommodate the wireless environment for mobile access, there are special requirements for mobile systems. Requirements are, for example, transmission volume reduction to cope with low bit rates and the larger latency of radio networks, processing load reduction for low-performance mobile terminals, and mobility management for various mobile capabilities.

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