The most practical challenges of Broadband Access Networks

There are many things worth learning about broadband access networks. Here we mainly introduce the most practical challenges of broadband access networks. From the long-term development trend of the access network, FT-Tx is the final goal. With FTTx, carriers can provide high-bandwidth services over long distances to improve the utilization of trunk optical cables and provide excellent support for the three-in-one Network and various types of business bearer, in addition, the local terminal can basically achieve passive connection between users, which can reduce the daily maintenance cost.

At the technical level, FTTx is becoming more and more mature and can meet network operation requirements in terms of manageability and scalability. However, there are still various problems in actual deployment, for example, operators still have some concerns about the costs of each household, how to use existing resources, and how to drive the business, but this does not prevent operators from gradually trying FTTx. Experts said that in many developed regions, telecom operators have begun to optimize the broadband access network according to the "FTTx + ADSL2 +/VDSL2" construction model. They believe that the "light-to-copper retreat" is not only time-ordered, but also space-oriented. In the early days, PON technology can target some high-end users with high bandwidth business needs, or, as a supplement to xDSL, xDSL is provided in areas with intensive SMEs to make up for the shortcomings of xDSL in these fields. After a step-by-step construction process promotes widespread high-bandwidth demands and a reduction in construction costs, operators will consider providing FTTH access methods for public users.

It is not just a one-stop move. The gradual development strategy is undoubtedly the best in the interests of operators. Especially in China, of broadband users rely on DSL technology. Therefore, it is necessary to coordinate the relationship between copper and light. We can see that after the exploration, people gradually formed a consensus that the PON technology will be combined with DSL technology, and the PON technology will be used to achieve FTTx, by using ADSL2 +/VDSL2 technology, the short-distance twisted pair wires can be used to drive broadband network development in a solid and secure manner.

In short, network construction and development are all guided by the combination of technology and market needs, and the construction of broadband access networks is no exception. Although the optical fiber access network represents the long-term development plan of the broadband access network, the improvement of the optical fiber and access rate of the broadband access network will also involve the construction of backbone networks and changes in the support system, therefore, operators should also steadily push forward in specific implementation to properly handle the relationship between technology and the market.