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GPON will be sent to the video business last mile-GPON, video - Communications Industry by big tree
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GPON will be sent to the video business last mile-GPON, video - Communications Industry by BIG TREE
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| Article Posted: 12/12/2010 |
| Article Views: 14 |
| Articles Written: 1033 - MORE ARTICLES FROM THIS AUTHOR |
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GPON will be sent to the video business last mile-GPON, video - Communications Industry |
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Business,Business News,Business Opportunities
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GPON and EPON 2004 standard has made Cloth And implemented since the two standards as the status of a new generation of PON technology has become the consensus, the following us from the technical characteristics and practical point of view of the two standards.
Control through technology, we found that the bandwidth capacity of GPON systems, Security And management of other aspects can be some advantages. In security, only GPON equipment to support advanced package standard (AES standard), which is the most strict encryption algorithm, can effectively prevent data being spied downstream direction problem Network Security Be a reliable guarantee. In terms of manageability,
GPON ONT equipment management to provide a standard control interface (OM-CI). This O MCI Channel protocol can be defined by senior management business, Package ONU feature set including, T-CONT types and quantity of services, QoS parameter negotiation parameters, GPON network enables centralized management of the business, and to ensure openness and network scalability. Therefore, from a technical perspective, GPON should be the first choice of the future network development. From the practical point of view
, GPON, as new technologies, the overall cost will be slightly higher than the current EPON equipment. However, the core of the current GPON chips and optical components of the complexity of the core has EPON chip and the complexity of optical devices are very close. Therefore, under the same device configuration, equipment deployment costs will depend on the scale (ie, equipment purchase amount). In addition, according to industry estimates, the second half of this year, GPON ONT and OLT system will further optimize device cost, so, GPON equipment investment costs will not be an obstacle to large-scale deployment. Similarly, standards-based GPON network of its line of physical rate, bandwidth efficiency and optical isolation ratio is better than EPON, which will directly affect the end user's integrated cost, therefore, we believe that in the next one to two years, GPON will become the operators building broadband access network of choice, especially with the 2008 Beijing Olympics Of Venues Building, Shanghai World Expo 2010, exhibition venues and upscale residential district building, the new business district and other projects started and people demand higher bandwidth services, GPON will face endless opportunity.
PON access technology based on the network its biggest advantage is to provide any other broadband access technologies unmatched bandwidth capacity. Which, EPON can support up to symmetric 1.25Gbit / s in the downlink and uplink bandwidth; GPON can support 1.2Gbit / s of upstream bandwidth and 2.5Gbit / s of upstream bandwidth. The high bandwidth capacity to ensure access network operators to completely break the last mile bottleneck, all the broadband users demand for a variety of high bandwidth broadband services, such as IPTV Business, HD TV And so on. In particular, standards-based GPON solution, such as by the pre-market Shanghai Bell Alcatel launched 7342ISAMFTTU can support IPTV and CATV. The ONT (optical network terminal) devices to support the IGM PS nooping; the same time, in order to improve the system efficiency in the distribution of the video stream IGMP in IP layer, it is the OLT (Optical Line Terminal) implementation support IGMPProxy function, GPON transmission convergence layer, 7342ISAMFTTU system uses a single system to host Port-id multicast stream, in the same GPON port IP multicast video stream to watch the port-id from a single host, which will allow IPTV operators to simplify business conditions to open the process, thus, can really do to video services delivered " last mile. " In fact, the last two years, China Telecommunications And China Netcom Already started in some cities and communities for small-scale FTTx deployment, part of the business users have broadband access EPON-based business, while, in some residential areas, based on EPON for FTTH pilot network has been opened and put into use, with GPON product development, deployment and commercial trial network will be just around the corner.
As a technology leader in network access, Alcatel Shanghai Bell introduced 7302ISAMFTTU solution based entirely on the program IT UT's GPON standards and FSAN Working Group presented the latest technical specifications, can the user segment Communicate Speeds of up to 200Mbit / s or more, up to 2.5Gbit / s in the downlink. This massive program of bandwidth is taken into account carrier network construction and development of the future direction and priorities (ie broadband, business integration and optical fibers), to build a support future evolution of the access network to support high-bandwidth services widely deployed. [Key words]: GPON Video Comment Large In Small I am an expert from China Manufacturers, usually analyzes all kind of industries situation, such as chocolate nibs , chocolate covered strawberries recipe.
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