Gigabit passive optical network is the latest generation broadband passive optical integrated access standard based on ITU-TG.984.x standard, which has the characteristics of high bandwidth and high efficiency.
With many advantages such as wide coverage and rich user interface, it is regarded by most operators as an ideal technology to realize broadband and comprehensive transformation of access network services.
Others:
1, unprecedented high bandwidth. The GPON rate is as high as 2 .5 Gbps, which can provide enough bandwidth to meet the growing demand for high bandwidth in the future network, and its asymmetric characteristics are more suitable for the broadband data service market.
2. Full service access guaranteed by 2.QoS. GPON can carry ATM cells and/or GEM frames at the same time, and has good ability to provide service level, support QoS guarantee and full service access.
3. Good support for TDM services. TDM service is mapped to GEM frame, and GPON TC frame length is 125 μs, which can directly support TDM service.
4. Simple and efficient adaptive packaging. GEM is used to realize simple and efficient adaptation and encapsulation of multi-service flows.
5. Powerful OAM function. Aiming at the shortcomings of Ethernet system in network management and performance monitoring, GPON provides three OAM channels from the perspective of consumer demand and operator operation and maintenance management: embedded OAM channel, PLOAM and OMCI.
6. The technology is relatively complex and the equipment cost is high.
Refer to the above content: Gigabit Passive Optical Network-Baidu Encyclopedia