Deep data analysis in gigabit passive optical networks. Pdf this paper gpon in telecommunication network, will present gpon in a relation to ng network, and try to show that. Ptv, voip and internet rf services gpon system management mode. Encapsulation in java, real life example of encapsulation. In java language encapsulation can be achieve using class keyword, state represents declaration of variables on attributes and behavior represents operations in terms of method. Development of the gigabitcapable passive optical network gpon. Its main characteristic is the use of passive splitters in the fiber distribution network, enabling one single feeding fiber from the providers central office to serve multiple homes and small businesses. The gtc payload field contains a series of gem gpon encapsulation method frames. Gpon encapsulation method gem two modes of operation atm, gem. To accommodate multiple services efficiently, it uses a gpon encapsulation method gem.
Liposomes are spherical vesicles with a phospholipid bilayer and are extensively used in drug and gene delivery. Major common encapsulation techniques and formulations will be presented, along with examples, equipment, strengths, weaknesses, and state of the art. Gpon uses the gpon encapsulation method gem whereas epon uses ethernet 2. Cisco me 4600 ont series equipment technology is based on gem gpon encapsulation method, and complies with itut g. Gpon use different wavelength in wdm to transmit and receive data for its uplink and downlink. Gem refers to gpon encapsulation method, and is the native protocol used for transmitting data within a gpon.
I will explain more details on gpon fundamental in the next post. The two major stateoftheart networks are the gigabit pon gpon, widely deployed in u. The main contribution of this paper is the analysis of the weak and strong points of the gponxpert equipment. Model paketisasidata menggunakangpon encapsulation method gem untukmembawalayanantdm danpacket. During this course, the participants will receive basic knowledge of gpon fttx network functionalities, the principles of its works and many other interesting moments. An overview of gpon in thean overview of gpon in the access. Encapsulation is also possible in nonobjectoriented languages. 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. Combined with the ont, this internal configuration can be conceptualized as follows. Encapsulation is used to hide the values or state of a structured data object inside a class, preventing unauthorized parties direct access to them publicly accessible methods are generally. Encapsulation also helps us to make a flexible code which is easy to change and maintain. With a pon, optical fiber is deployed either all the way or almost all the way to the end. Gigabit capable pon successor of bpon enables the transmission of both atm cells and ethernet packets in the same transmission frame structure.
Encapsulation is achieved in java language by class concept. Ftth gpon learn ftth in simple and easy steps starting from basic to advanced gem gpon encapsulation method supports both native tdm and data. Gem provides a connectionoriented, variablelength framing mechanism for transport of data services over the passive optical network pon. Despite the significant differences between epon and gpon, there is one similarity between them. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Passive optical splitter normally is located by the road side either inside a manhole,duct. Us8619590b2 method for transmitting oam message and. Additional aspects of encapsulation to be discussed include materials, process scale, and application examples. Combining of state and behavior in a single container is known as encapsulation. An overview of gpon in the an overview of gpon in the access. Fragmentation of large ethernet frames is allowed in gpon. Gpon encapsulation method slot with respect to downstream frame. Flurbiprofen fb is a derivative of phenylpropionic acid having analgesic and antiinflammatory activity. Gpon encapsulation method gem allows very efficient packaging of user traffic, with frame segmentation to allow. Gpon essentials transmission basics gpon multiplexing architecture.
With gem, gpon can support voice, ethernet, atm, leased lines, and wireless applications. The main contribution of this paper is the analysis of the weak and strong points of. Most of us have learnt to make class members private by default unless we really need to expose them. Pdf microencapsulation techniques, factors influencing. An overview of gpon in thean overview of gpon in the. A shared network based on a pon has several advantages over one based on ae. Stack of protocols for gpon architecture several transmission containers tcont are assigned to each user. Gponfttx technology training description this course is designed to give participants a detailed insight on the fun. Using gpon access in the context of tr101 broadband forum. Encapsulation is a process of wrapping of data and methods in a single unit.
Gpon uplink 1490 nm wavelength downstream, 10 nm wavelength upstream 2. The ont equipment technology is based on gem gpon encapsulation method, and complies with itut g. Me4600 optical network termination single family unit user. Gem is identified by port where it is a basic unit to bind qos parameters. Me4600 optical network termination single family unit user manual. Gpon gigabit passivepassive opticaloptical networknetwork.
At a transmitting device, the data encapsulation method works as follows. Pdf deployment of pon in europe and deep data analysis of gpon. If user packet is shorter, then encapsulation is required. The use of objects encourages abstraction an abstraction denotes the essential properties of an object one of the fundamental ways in which we handle complexity programming goal. Ppt gpon powerpoint presentation free to download id. The most common method is the use of a propeller style blade attached to a variable. It is an efficient and economic substitute of existing copper infrastructure including telephone and coaxial cable. In the pon the signals are replicated passively by the splitter.
Both networks differ in the data link layer protocol used i. This course will be of great interest to those who are involved in the process of building the fiber optic systems. Determination of the oil encapsulation efficiency the total content of oil in powder represents the oil quantity included in the. Telecommunications standards advisory committee tsac next.
A gpon encapsulation method gem port is a virtual port for performing gem encapsulation for transmitting frames between the olt and the onuont. Microencapsulation techniques, factors influencing encapsulation efficiency 197 journal of microencapsulation downloaded from by hinari on. Gpon encapsulation method gem it is the data transport scheme in the specified gpon transmission convergence layer. Encapsulation method gem transport layer that supports. Hdlc protocol and encapsulation method explained this tutorial is the second part of the article. As userfriendly softwarebased analyzer, gpon xpert features a convenient graphic interface to present and track the network topology, parsed messages, events, alerts and performance graphs.
A control bridge to automate the convergence of passive. Gpon ont gpon ont specifications feature standard performance electrostatic discharge esd to the electrical pins milstd883e method 3015. This course will introduce participants to microencapsulation and nanoencapsulation. These base functionalities, together with the support for bit rates of up to 2. Ethernet frames are encapsulated into gtc encapsulation method gem frames, which have a gfplike format derived from generic frame procedure itu g.
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. Gpon network consists of mainly two active transmission equipments. Liposomes protect therapeutic agents from degradation, deliver it at target site and are versatile enough to allow tagging of small molecules for targeted delivery felnerova et al. Gpon encapsulation method how is gpon encapsulation. Us8619590b2 us224,883 us2011224883a us8619590b2 us 8619590 b2 us8619590 b2 us 8619590b2 us 2011224883 a us2011224883 a us 2011224883a us 8619590 b2 us8619590 b2 us 8619590b2 authority us united states prior art keywords message oam field response create prior art date 20101227 legal status the legal status is an assumption and is not a legal conclusion. Upstream gpon frame format implementation depends on the realization of economical. If the gpon devices support ipv6 or tr069, cdrouter will be able to test this functionality as well. In objectoriented programming oop, encapsulation refers to the bundling of data with the methods that operate on that data, or the restricting of direct access to some of an objects components. Each different trafficclass tc per uni is assigned a different gem port. Microencapsulation techniques, factors influencing encapsulation efficiency 197 journal of microencapsulation downloaded from by hinari on 060510 for personal use only. Comparing pon types characteristic epon 2004 gpon 2003 bpon late 1990s speed 1250 1250 2488.
More commonly known as future proof, fiber to the home ftth is a new technology. The object takes requests from other client objects, but does not expose the details of. Gem stands for gpon encapsulation method, and this is. Ethernet frames are encapsulated using gpon encapsulation method gem. The ont equipment technology is based on gem gpon encapsulation method, and complies with itut. User information is converted into data for transmission on the network. The fiber is then split and distribute to subscribers premises using passive optical splitter. The gem flow consists of long 125us gpon frames, whose length may or may not match that of the client. Pdf gpon in telecommunication network researchgate. The object takes requests from other client objects, but does not expose the details of its data or code to them. It specifies gpon frame format, the media access control protocol, oam. In this paper we deal only with the itu standard gpon, because it is the most commonly used technology in czech republic and slovakia. Pdf 10 gpon information technology interfaces, 2007. Epon or ge pon ethernet pon uses ethernet for data encapsulation.
One method is called active ethernet ae, and the other is the pon. Gem port, tcont, allocid, onuid, portid downstream and upstream tdm architectures gpon stack control and user planes in gpon gpon services. The upstream frame format is 53 cells of 56 bytes each 53 bytes of atm. Gigabit passive optical network gpon is a high bandwidth shared fiber access technology. Gpon xpert simultaneously presents downstream and upstream data and the connection between the data transmitted by the olt and ontonus. Gpon encapsulation method how is gpon encapsulation method. Data is converted into segments and a reliable or unreliable connection is set up between the source and destination devices with connection oriented and connectionless protocols. Gpon encapsulation method gem supports ethernet packet supports gem header removalinsertion and data extractionsegmentation gem sar configurable aes ds and fec dsus support up to 8 tcons each with priority queues us voice functionality codecs. Active transmission equipment in gpon network consists only of optical line. P a s sive optic al n et works upstream frame reception. Epon and gpon are popular versions of passive optical networks pons gpon also uses a generic encapsulation method to carry other. It supports qos enabled features including voip and multicast video application on top of high speed internet access via either utp line or wifi interfaces. During this course, the participants will receive basic knowledge of gponfttx network functionalities, the principles of its works and many other interesting moments. With ae the individual signals are split out using electronic equipment near the subscriber.
Tr156 issue 3 documents modifications to the tr101 architecture as. In computer networking, encapsulation is a method of designing modular communication protocols in which logically separate functions in the network are abstracted from their underlying structures by inclusion or information hiding within higher level objects the physical layer is responsible for physical transmission of the data, link encapsulation allows local area networking, internet. Telecommunications standards advisory committee tsac. This part explains hdlc highlevel data link control protocol and encapsulation method in detail with examples including step by step configuration guide. The use of the gpon fiber access technology standard architecture does allow a significant service delivery increase when compared with traditional xdsl technology. In c, for example, a structure can be declared in the public api via the header file for a set of functions that operate on an item of data containing data members that are not accessible to clients of the api with the extern keyword.
1229 599 1179 154 188 216 1440 320 1530 205 497 82 514 987 263 899 859 948 828 376 1318 385 1439 1324 1199 452 139 1300 897