1367/5000 Comparison of EPON and GPON

- Jul 03, 2019-

EPON is compatible with the current Ethernet technology and is a continuation of the 802.3 protocol on the optical access network. It fully inherits the advantages of Ethernet's low price, flexible protocol, and mature technology. It has a wide market and good compatibility. While GPON is positioned in the telecommunications industry for multi-service, QoS guaranteed full-service access needs, it strives to seek an optimal, full-service, and most efficient solution, and proposes to "completely and completely open to all agreements. Rethink."
The technical characteristics of EPON are as follows:
1) Ethernet is the best carrier for carrying IP services;
2) Easy to maintain, easy to expand, easy to upgrade;
3) EPON equipment is mature and available. EPON has laid millions of lines in Asia, third-generation commercial chips have been introduced, and the prices of related optical modules and chips have dropped significantly, reaching the level of commercial scale, and can meet the requirements of recent broadband services;
4) EPON protocol is simple and low implementation cost, low equipment cost, the most appropriate technology to access the network in the urban area, not the best technology;
5) More suitable for the domestic, metropolitan area network does not have ATM or BPON equipment baggage;
6) It is more suitable for the future. IP carries all services and Ethernet carries IP services.
The technical characteristics of GPON are as follows:
1) Access network for telecommunications operations;
2) High bandwidth: line rate, 2.488 Gb/s down, 1.244 Gb/s up; 3) High transmission efficiency: 93 % on 94 %(actual bandwidth up to 2.4 G)(actual bandwidth up to 1.1 G);
4) Business support: G. 984.X standard strictly defines support for telecommunications level full services(voice, data and video);
5) Strong management ability: It has rich functions, has reserved sufficient OAM fields in the frame structure, and has established the OMCI standard;
6) High service quality: a variety of QoS grades, can strictly guarantee the bandwidth and delay requirements of the service;
7) Low integrated costs: long transmission distance, high spectroscopic ratio, effective distribution of OLT costs, reduce user access costs.
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