Concerns about whether Ethernet is reliable enough and/or high-grade enough for telco environments continue to be addressed by vendors and standards bodies alike. The Metro Ethernet Forum has introduced its own Carrier Ethernet certification program to help ensure compliance with minimum standards, and many vendors have enabled Ethernet interfaces on traditional carrier-class SONET/SDH and WDM equipment ...
Although there has been considerable growth in the Latin American Internet subscriber base over the past five years, it is estimated by Aon Explorer that there were only about 61.3 million users at the end of 2004. This means only 11 people out of every 100 have access to an Internet connection in the region. Aon Explorer also reports that Internet expansion is hindered by a low fixed teledensity of 17%.
everywhere from 36,000 kilometers above the Earth. Satellite is a “transport” for communications applications of various kinds, including Internet, television, telephony, government services and corporate data networks. According to Frost & Sullivan, six of the regional satellite opera tors providing service to the Latin American market provide 80 percent of the region's available capacity. Internet Protocol over Satellite (IPoS) carries with it most, if not all, currently used applications carried on the terrestrial Internet. With the popularization of Voice over Internet Protocol (VoIP), Internet Protocol Television (IPTV), Cellular Backhaul, Wireless Fidelity (Wi-Fi), Wireless Metropolitan Access Networks (Wi-Max or Wi-MAN) and other developing applications, it is foreseeable that the demand for communications capacity can potentially surpass that of the current terrestrial infrastructure..
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