Gpon technology fundamentals video tutorial youtube. Atm encapsulation and gfp encapsulation universal framing protocol is defined, and both can be chosen one of the business packages. Active ethernet vs gpon solution, which one do you prefer. Gpon vs epondifference between gpon and epon,sharing hot. The modularized epongpon is bigger and heavier, so it need to be careful when packed, deliver and install. Comparison between epon and gpon fiber optic cables.
In current there are 15 million epon ports installed. One of the main reasons why gpon was created was to have a higher bit rate in the downstream direction. Basically anything can be redundant, the problem is obviously the cost of this. It consists of mainly two active transmission equipments, optical line termination olt and optical network unit onu. It is one of the access type used by the service provider. Gpon gigabit pon is the evolution of broadband pon bpon standard. Comparison between epon and gpon fiber optical networking. Bpon vs gpon vs epon a comparison of bpon gpon and epon. Triple play service highbandwidth longreach up to 20 km gpon is the choice of large carriers in the international market. Compared with the other pon standards, gpon provides the unprecedented high bandwidth downlink rate of up to 2.
Based on the mapping scheme, service traffic is carried to different gem ports and then to different tconts. Im pretty sure this is due to how often each device on a split fiber pair can transmit and receive data, thanks to the capacity gpon offers. Nov 07, 2016 to further keep pace with markets demands, epon ethernet passive optical network and gpon gigabit passive optical network emerges from pon and become popular versions of it. You will sometimes hear the network referred to as gigabit ethernet pon or gepon. Epon is a new type of broadband access technology that provides comprehensive service access to data, voice, and video over a single optical access system with good economics. Whats the difference between gpon and epon authorstream. Epon vs gpon introduction and comparison carritech. Epon extended native ethernet to support the pon p2mp architecture, while gpon wished to extend the life. Pdf optical transmission is getting more popular in the access network due to the increasing demand for bandwidth. A passive optical network pon is a fiberoptic telecommunications technology for delivering broadband network access to endcustomers.
Adsl asymmetric digital subscriber line supports a maximum bit rate of 8mbps, however adsl2 can go up to 12mbps. Here, the dte connected to the trunk of the tree and called as optical line terminal olt as shown in the following illustration it is usually located at the service provider, and the connected the dte branches of the. We discuss the basic architecture of gpon, media access. Other pon variations, notably gpon gigabit passive optical network, transmit data in fixedlength, 53byte cells, making them inefficient for transmitting data and traffic that is formatted according to ip. These shorthaul networks of fiberoptical cable are used for internet access, voice over internet protocol voip, and digital tv delivery in metropolitan areas. These variablelength packets are better suited to ip traffic than the fixedlength, 53byte cells used by other passive optical networks, such as gpon. Dautres technologies pon existent comme lepon ou gepon gigabit. Building on the ethernet passive optical network epon and gigabit pon gpon standards, nextgeneration ng pons i provide increased data rates, split ratios, wavelengths counts, and fiber. Gpon utilises the techniques of sonetsdh and gfp to transport etherent. Apon atm passive optical networks this was the very first of the pon standards and was based on atm asynchronous transfer mod. Bpon vs epon vs gpon difference between bpon,epon and gpon. The optical module of gpon is also more expensive than epon.
By using gpon fiber optic cables, this will eliminate that hazard due to no current being transmitted. Epon is an ethernet solution, which makes the most of the features, compatibility and performance of ethernet protocol. The primary component differences in the olt and onu for gpon and epon are. Gpon uses optical wavelength division multiplexing wdm so a single fiber can be used for both downstream and upstream data. The ethernet passive optical network epon is a pon encapsulate data with ethernet and can offer 1 gbps to 10 gbps capacity. Epon adds a 64byte mpcp multipoint control protocol to the mac layer ethernet header. Therefore, this tutorial covers all the technical and economic aspects of ftth. When gpon reaches deployment stage, the estimated cost of a gpon olt is 1. A passive optical network consists of an optical line terminal olt at the service providers central office hub and a number of optical network units onus or optical network terminals onts, near end users.
Choose from burstmode and continuousmode laser drivers to clockphase aligners and catv tias, or select one of our complete reference design. Epon is a standard developed by ieee, and gpon is a standard developed by itut. This paper studies the network cost of epon and gpon and bases the comparison on the link utilization. This is because the wavelength filter integrated in the prolite67 for pon video band 15501560 nm covers up to 1625 nm. As subscribers to broadband access services continue to grow rapidly, there is an everincreasing demand for broadband access bandwidth.
Epon ethernet pon and gpon gigabit pon are the most important versions of passive optical networks, widely used for internet access, voice over internet protocol voip, and. Bpon vs gpon vs epon a comparison of bpon gpon and. Pdf link utilization and comparison of epon and gpon access. These shorthaul networks of fiberoptical cable are used for internet access, voice. Gpon supports a variety of data rate levels, which can support asymmetric uplink and downlink rates, downlink 2. The industry generally believes that ftth is the ultimate solution for broadband access, and epon will also become a mainstream broadband access technology. The protocols used by gpon are atm, gem, and ethernet. Difference between epon and gponsyrotech networksepon vs. A pon reduces the amount of fiber and central office equipment required compared with pointtopoint architectures.
An overview of gpon in thean overview of gpon in the access. Bpon, broadband passive optical network, and gpon are similar as well in the same aspects above. The 10g pon technology has gradually become the mainstream technology of the pon network. Epon transmits data in variablelength packets of up to 1518 bytes, as specified by the ieee 802. Very high bit rate digital subscriber loop vdsl supports a maximum bit rate of 55 bps. Oct 20, 20 chassis olt can be 2u, 2,5u, 4u,8uor even up to 14u based on different design and volume. To further keep pace with markets demands, epon ethernet passive optical network and gpon gigabit passive optical network emerges from pon and become popular versions of it. Gpon gigabit passive optical network is based on the tutg. Ntt of japan started to invite bidding for epon in aug. Bpon vs gpon vs epon a comparison of bpon gpon and epon both bpon and gpon architectures were conceived by the fsan group, which is driven by major incumbent telecommunications operators.
Bpon vs epon vs gpondifference between bpon,epon and gpon. The gpon standard defines the split ratio as follows. The primary differences between them lie in the protocols used for downstream and upstream communications. Whats the difference between epon and gpon optical fiber. Standardized by the ieee in mid gpon or giga pon gigabit pon uses a new generic encapsulation method gem tr ansport layer that supports atm, ethernet and tdm data.
Both epon and gpon recognized the need to evolve pon to being a gigabit capable solution for transporting ethernet ip traffic. The mapping between the gem port and the tcont is flexible. They use wdm wavelengthdivision multiplexing, using one wavelength for downstream traffic and another for upstream traffic on a single mode fiber. Three american operators began to invite bidding for apon in june,2003. Both utilize a common optical infrastructure, but very different in execution. Two very different solutions were developed by the ieee and itut epon and gpon, respectively. Gpon is based on a completely new transport convergence tc layer that can accommodate highlevel diversity services as shown in figure 1. Comparison between epon and gpon pon is the abbreviation of passive optical network, which only uses fiber and passive components like splitters and combiners. Epon and gpon each have their own advantages,cant differentiate between gpon and gepon. Romain brenot, ingenieur recherche, alcatelthales iiiv lab. Passive optical networking pon technology has been available since the mid1990s.
Apr 08, 2015 gpon and epon technology comparison the key factor for determine ftth network cost is understand the performance characteristics of the pon tecnology. A passive optical network is a form of fiberoptic access network. May 30, 2011 thats a great question, and the answer is not entirely clear. The primary technical and therefore, cost variation between the two standards is to be found in the olt and the onu. Epon and gpon the costs of the optical distribution equipment fiber type, splitters, connectors, and so on are similar for both gpon and epon. It uses wdm with the same optical frequencies as gpon and tdma. The original gponepon access can not meet the users business needs. The key difference among them is the sending power and receiver sensitivity. Aug 26, 2016 gpon supports different types of redundancy, as the great comment from above states. The major operators at home and abroad are facing the pressure and challenge of upgrading the 10g pon network. Nov 27, 2015 pon passive optical network, epon vs gpon published on november 27, 2015 november 27, 2015 2 likes 26 comments. Gpon and epon technology comparison the key factor for determine ftth network cost is understand the performance characteristics of the pon tecnology. Choose from burstmode and continuousmode laser drivers to clockphase aligners and catv tias, or select one of our complete reference design solutions to get your product to market quickly.
Epon vs bpon and gpon ethernet vs atm future vs present low cost due to highvolume recommendation. Epon requirements mulpi specifications for support of a subset of docsis 3. With a single optical fiber being able to support multiple users due to the use of passive optical splitters makes gpon an advantage by reducing equipment, satisfying high density areas as well as supporting triple play service. Epon vs gpon a practical comparison posted on september 18, 2015 by admin ethernet passive optical network epon and gigabit passive optical network gpon, just like the superheroes in the hollywood movies, which lead the tide of broadband access and optical telecom application, becoming the new hot spot. Its architecture implements a pointtomultipoint topology, in which a single optical fiber serves multiple endpoints by using unpowered passive fiber optic splitters to divide the fiber bandwidth among multiple access points. Maybe one is curious about difference between epon and gpon. Bpon vs epon vs gpon difference between bpon,epon and. In most cases the management of ont and the service provided by ont is usually supported by snmp, thus generating the problem of management and interoperability. Epon or gepon ethernet pon uses ethernet for data encapsulation. In general, this is a matter of costs vs requirements. Mar 14, 2019 xg gpon 10g epon ngpon2 networks analyzers the prolite67 optical power meters are applicable to work in gpon and to work in xg gpon and ngpon2.
Ethernet pon solution were not able to gain support within the ieee 802. Epon and gpon are popular versions of passive optical networks pons. Users can determine uplink and downlink rates according to actual needs and select the corresponding optical transceiver to improve the optical device value for money. This article explores the various types of pon passive optical networks, how they differ and what they are used for. Gpon anis maslo, amer tanjo bh telecomtelecom inzenjering, sarajevo, bosna i hercegovina bh telecom, gorazde, bosna i hercegovina email protected, email protected abstract. It depends on the way the market will develop, including technology, applications, and also on political and marketing factors. Gpon gigabitcapable passive optical networks gpon supports.
This page compares bpon vs epon vs gpon and mention difference between bpon, epon and gpon. In epon, both downstream and upstream line rates are 1. Hisense broadband is a global technology leader in optical transceivers, active optical cables, onu box and multimedia products. In terms of olt module, there are many similarities through epon sfp vs. Gepon or epon ethernet pon is an ieee standard that uses ethernet for sending data packets. Gpon sfp, such as type of laser, transmission distance and communication model. While an epon downstream transmission rate has the same rate as its upstream, 1.
Dec 08, 2015 comparison between epon and gpon pon is the abbreviation of passive optical network, which only uses fiber and passive components like fiber splitter and combiner. Gpon gigabit passive optical network equipment market global scenario, market size, outlook, trend and forecast, 2016 2025 gpon gigabit passive optical network is a pointtomultipoint access network. We provide solutions to the fibertothehome ftth, cable television, data communications network and consumer electronics markets. Bpon for existing environment standardbased epon for new installations. A gpon interface of an onu contains one or multiple t. Most of the operators are heavily invested in providing legacy tdm services. Ppt gpon powerpoint presentation free to download id. It starts from the optical line terminal olt in the central office and ends at the optical network unit onu at the customers home as shown in the following figure. I believe there is a trend to deploy more pon than ae active ethernet, even for transparent ethernet services with. This paper presents an overview of the passive optical networks pon, and outline of various flavors of pon technologies including apon, bpon and epon. From your end youll see lower latency on gpon youll go from say, 6ms on bpon to the gateway router to 1ms or less, more consistent latency on gpon, and higher speeds. Fots blog is sharing fiber,optic and telecom information,news,technology,engineering,project issue,equipment and solution. Like all epon networks, 10g epon transmits data in variablelength packets up to 1518 bytes, as specified in the ieee 802. Significant development activities occurred during the early 2000s to develop gigabit rate solutions designed to deliver ethernet and ip services.
Indoor in most projects, the epongpon equipment is designed for indoor use, its operating temperature is 550 outdoor. Chassis olt can be 2u, 2,5u, 4u,8uor even up to 14u based on different design and volume. A comparison between gpon and epon the access layer network is a fundamental platform for the delivery and termination of various services. They both offer their own version of enhancements to accommodate better size ipethernet frames at variable rates gbps. Gpon, on the other hand, supports an asymmetrical data rate of 1. Geponepon and gpon are popular versions of passive optical networks pons. An overview of gpon in thean overview of gpon in the. Figure 4 viscosity temperature profile for 5 samples of epon resin 828 ranging in viscosity from 110150 poise packaging and storage epon resin 828 is an undiluted liquid epoxy resin that is available in tank cars, tank trucks and 500 pound net closed head drums.
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