communications technology

With the development of multimedia technology,communications technology and hardware storage technology,People's demand for network bandwidth showsing explosive growth,increase the increased amount of information makes the bandwidth to become a serious bottleneck,forcing the network to a higher speed,people no longer satisfy with the previous single,passive way to obtain information,but to actively participate in programs.VOD(Video on Demand,VOD) is an interactive services, cable television field and communications field pay more attention to this field.Polo shirts are yours now! However,in the field of access network,the traditional cable TV network currently uses optical fiber / coaxial cable hybrid network(HFC) to achieve two-way transformation.You can not refuse chi straightener!At present,two-way transformation of HFC has a variety of technologies,the main method adopt the way of two-way HFC + Cable Modern,that is, the original low-end frequency of CATV system uses as return channel to achieve non-symmetric transmission,this manner has some shortcomings,such as limited available bandwidth and the "flannel effect"of HFC return channel..And the side of telecommunications currently adopt the access technology of ADSL,because of the limits of bandwidth and transmission distance,it isthey are both hard to have long-term development.You had cheap ralph lauren polo shirts at″I like it!″So either in terms of radio and television or from the telecommunications area, Faced with the problem of bandwidth bottleneck,people generally consider the Fiber AccessFiber to the Home(FTTH) as a next-generation access solutions of transmission network,in the realization solutions of Fiber AccessFTTH,EPON and GEPON used as the main direction of development.(EPON,Ethernet Passive Optical Network) used as method of multi-service broadband access has excellent characteristics,people generally consider EPON / GEPON technology as access solution to achieve "triple play","triple-play".
shines down to us
Greater too than you can describe
undeniable
this world is not merely a bad joke
meaningless