Gpon encapsulation method pdf

Evolusi dari apon bpon model paketisasi data menggunakan gpon encapsulation method gem untuk membawa layanan tdm dan packetbased. Guideline elements model xmlbased guideline document model gem. Gem port, tcont, allocid, onuid, portid downstream and upstream tdm architectures gpon stack control and user planes in gpon gpon services. Each different trafficclass tc per uni is assigned a different gem port. Gpon can transport not only ethernet, but atm and tdm. It can encapsulate ethernet, ip, tcp, udp, t1e1, video, voip, or other protocols as called for by the data transmission. The gpon transmission convergence gtc layer is responsible for mapping servicespecific interfaces e. Gpon puts requirements on the optical medium and the hardware used to access it, and defines the manner. Comparing pon types characteristic epon 2004 gpon 2003 bpon late 1990s speed 1250 1250 2488. An ont is typically located on the customers premises. Development of the gigabitcapable passive optical network gpon standard.

A gpon encapsulation method gem port is a virtual port for performing gem encapsulation for transmitting frames between the olt and the onuont. The use of the gpon fiber access technology standard architecture does allow a significant service delivery increase when compared with traditional xdsl technology. Passive optical lan is alternative to the traditional layer2 copper based lan infrastructure. An olt is the service provider endpoint of a pon and is placed in a co or head end. Apr 12, 2020 gpon encapsulation method pdf traffic by using gpon encapsulating method. 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 transport. Gpon gigabitcapable passive optical networks gpon supports. Aug 10, 2019 gpon encapsulation method pdf traffic by using gpon encapsulating method. With gem, all traffic is mapped across the gpon network using a variant of sonetsdh generic framing procedure gfp. Using gpon access in the context of tr101 broadband forum. Dec 06, 2017 gpon uses an ipbased protocol and either atm or gem gpon encapsulation method encoding. Gpon use gpon encapsulation method gem for performing gem encapsulation for transmitting frames e. Ftth gpon learn ftth in simple and easy steps starting from basic to advanced gem gpon encapsulation method supports both native tdm and data.

The enduser traffic is encapsulated in gem gpon encapsulation method frames, which are carried over the gtc protocol transparently. Gem allows very efficient packaging of user traffic, with frame segmentation to allow for higher qos for delaysensitive traffic. First of all pon was, atm pon apon which evolved in broadband pon bpon. The gtc frames carry traffic between olt and onusonts. Gpon also uses a generic encapsulation method to carry other protocols. Ethernet frames are encapsulated into gtc encapsulation method gem.

Pdf gpon in telecommunication network researchgate. Gpon encapsulation method gem allows very efficient packaging of user traffic, with frame segmentation to allow. An issue with this kind of system is the difficulty in analyzing a transmission on the optical part which is caused by the difference among devices using ethernet frames technology and passive optical network technology. Guild of experienced motorists now gem motoring assist. The main characteristic of gpon is the use of passive splitters which enable a single feeding fibre from the net.

If user packet is shorter, then encapsulation is required. Ethernet over gem encapsulation deeping into the protocol. Gpon encapsulation method pdf traffic by using gpon encapsulating method. Me4600 optical network termination single family unit user. The gem flow consists of long 125us gpon frames, whose length may or may not match that of the client. An overview of gpon in thean overview of gpon in the access.

Gem supports a native transport of voice, video, and data without an added atm or ip encapsulation layer. The gtc payload field contains a series of gem gpon encapsulation method frames. This article presents a design of a database model used to gather and analyze data frames transmitted over gigabit passive optical network gpon in the downstream direction. Jan 25, 2018 what is gpon gigabit passive optical networks. Ptv, voip and internet rf services gpon system management mode. Gfp allows direct encapsulation of variable length packets without repeating the encapsulation overhead on a regular basis. It is commonly used to implement the last kilometre of fibre to the premises fttp services.

Jul 26, 2019 gpon encapsulation method pdf traffic by using gpon encapsulating method. Mar 23, 2020 gpon encapsulation method pdf traffic by using gpon encapsulating method. Gpon or gigabit passive optical networks is a pointtomultipoint access mechanism. Ftth gpon learn ftth in simple and easy steps starting from basic to advanced gem gpon encapsulation method supports both native tdm and. Encapsulation method gem transport layer that supports. The gpon multiplexing or framing is explained with the following factors. Nov 07, 2016 to further keep pace with markets demands, epon ethernet passive optical network and gpongigabit passive optical network emerges from pon and become popular versions of it. Adopting the atm encapsulation mode, bpon is mainly used for carrying atm services. An ont is a device that terminates the pon and presents native service interfaces to the user. An overview of gpon in thean overview of gpon in the.

Onu management and control interface omci omci basics omci purpose the mib and its entities. Gpon encapsulation method how is gpon encapsulation. Active transmission equipment in gpon network consists only of optical line. Gem gpon encapsulation method supports both native tdm and data. Access network assures and controls the media mac communication through a tdma scheme, introducing gem gpon encapsulation method in between to adapt tdm layer to ethernet. Gpon is considered as the strongest for the extensive deployments. Nov 06, 20 for history reasonit is a long story, gpon looked to the new itut g. Design and simulation of gpon networks over different fbg. Gpon encapsulation method how is gpon encapsulation method.

Triple play service highbandwidth longreach up to 20 km gpon is the choice of large carriers in the international market. Whats the difference between epon and gpon optical fiber. Gpon enables triple play voicedatavideo and is the basis of most planned fttp fiber to the premises applications in the near future. Gpon encapsulation method gem it is the data transport scheme in the specified gpon transmission convergence layer. Active transmission equipment in gpon network consists only. Gpon, or gigabitcapable pon, uses an ipbased protocol and either atm or gem gpon encapsulation method encoding.

Gpon uses tdma for managing upstream access by onus, and at any one point in time, tdma provides unshared timeslots upstream bandwidth over time to each onu for upstream transmission. Gem stands for gpon encapsulation method, and this is. An overview of gpon in the an overview of gpon in the access. Datacom dm984100b administration manual pdf download. Dba allows upstream timeslots to shrink and grow based on the distribution of upstream traffic loads. Gem port gpon encapsulation method is virtual container used for various kind of traffic encapsulation and represents logical connection between ont and olt.

Gpon system overview introduction to the gpon system mainstream pon technologies include broadband passive optical network bpon, ethernet passive optical network epon, and gigabit passive optical network gpon. The ont equipment technology is based on gem gpon encapsulation method, and complies with itut. Pdf this paper gpon in telecommunication network, will present gpon in a relation to ng. Gpon encapsulation method gem allows very efficient packaging of user traffic with frame segmentation. Gpon encapsulation method gem two modes of operation atm, gem. In downstream direction from olt to ont data packets are transmitted in broadcast method to all onts with the same fiber. Gpon can transfer not only ethernet, but atm and tdm traffic by using gpon encapsulating method gem 10. By using this structure, operators can provide granular qos and different services to different customers and physical ports of ont devices. The ont equipment technology is based on gem gpon encapsulation method, and complies with itut g. Gem provides a connectionoriented, variablelength framing mechanism for transport of data services over the passive optical network pon. For history reasonit is a long story, gpon looked to the new itut g.