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The advantages of GEPON over GPON

2019-03-20 14:23:11

The differences that make the GEPON:
One important distinction between the standards is operational speed. BPON is relatively low speed with 155 Mbps upstream/622 Mbps downstream operation. GE-PON/EPON operates at 2.5 Gbps symmetrical operation. GPON supports 1 Gbps asymmetrical operation. GEPON is also called EPON. IEEE is working on a 10GEPON next. Another key distinction is the protocol support for transport of data packets between access network equipment.


GPON uses native Ethernet and GEPON supports ATM, Ethernet and WDM using a superset multi-protocol layer.


GEPON is still evolving; however, it requires the multiple protocols through translation to support the native Generic Encapsulation Method (GEM) transport layer. This emulation supports ATM, Ethernet and WDM protocols. It is widely deployed in Asia and uses Ethernet as its native protocol and simplifies timing and lowers the costs by using symmetrical 2.5 Gbps data streams. The complexity is lower and cost is less than GPON. GEPON has an installation cost advantage.


GEPON Supports Class of Service (CoS) operation for time-sensitive transport of data payloads such as video. This video frames must be delivered in sequence and it should maintain time constraint to prevent malfunction. It functions with VoIP.


When compared to GPON, GEPON is highly scalable and flexible; it provides service for more than 2,300 subscribers. It is used in telecommunication services. GEPON supports effective education and public outreach (EPO). This network will provide infrastructure to facilitate collaboration between scientists, educators and provide support systems for professional development.

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