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Streaming services such as voice and video based on IP technologies have been deployed widely throughout the world. The Asymmetric Digital Subscriber Line (ADSL) is one of broadband access technologies used to offer these services. Network operators and/or integrators must estimate ADSL link rates from the Network Operation Centers (NOC) which are far away from the customer's site. They must also...
Traffic in IP networks has increased and services have diversified over the last few years. IP networks need to have scalability and high-quality data transmissions and they must be able to incorporate new functions. For good processing performance and ease of adding functions to the transport stratum on a next-generation network (NGN), we have proposed a functionally distributed transport networking...
The traffic in IP networks has increased, and the diversification of services has advanced in recent years. Therefore, network carriers request services that they can provide as soon as possible and want to use large-scale networks for next-generation network technologies. There is two kinds of problems. First is a taking a long time to develop new services. Second is a problem stemming from the processing...
Diversified IP services have recently required flexible and scalable edge routers to support advanced service functions such as IPsec VPN and application layer firewalls. However, those functions cannot be integrated into existing routers easily, and this prevents required routers from becoming available. A common forwarding model of backplane Ethernet for a router supporting separate control, line,...
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