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Monday, October 11, 2004Portable Net - The Future Net( Via Rajesh.)Telecommunication networks have traditionally been characterized by long network planning cycles and high fixed investment costs. That makes the industry particularly vulnerable to disruptive or “subversive” technologies. Unlike the slow process of improving a product or service through incremental change, disruptive technologies threaten to tear up the page and start again. The “portable Internet” potentially offers us such technologies. The term “portable Internet”– is used here to describe a platform for high-speed data access using Internet Protocol (IP), which covers:• advanced wireless technologies like Wi-Fi,WiMax, IMT-2000, ultra wideband and radio frequency identification (RFID) tags. These operate at long, medium and short ranges. Users accessing the Internet often face a trade-off between higher connection speeds and mobility .Fixed-line technologies generally offer higher speeds while IMT-2000 mobile phone networks offer greater mobility. Wireless local area network (WLAN) technologies fall in between, offering users limited mobility with only a small decrease in overall speeds. However, there is a wide gap between the amount of mobility offered by 3G and that of WLAN, and many see this as the prime market segment for new portable Internet technologies, especially in developing countries. The portable Internet, as defined here, comprises a wide range of technologies, each filling the need for a specific type of user access. These technologies can be categorized according to the geographical reach of their radio signals. Short-range technologies, such as Bluetooth, ZigBee and RFID allow low-power connectivity within a range of 30 metres. Medium-range technologies can communicate at least 150 metres from a hotspot (e.g. Wi-Fi, or IEEE 802.11b) and up to several kilometres, depending on environmental and regulatory factors. Finally, long-range technologies such as WiMAX (IEEE 802.16) and IMT-2000 (3G) have ranges that extend up to 50 kilometres from a base station, and to near-nationwide coverage when offered as a networked service. Also in this category fit solutions based on high- or low-altitude platform stations HAPS/LAPS) that can serve a whole town, and satellites that can serve a whole region.This is the Future Net and very important for all of us to understand how to leverage for our enterprise. A presentation about the report - ITU Internet Report 2004 is available here and a summary is available here. | |
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