From the architecture diagram, the optical access network comprises the following scenarios. Maybe one is curious about difference between epon and gpon. The city of madison, wisconsin city issues this request for proposal rfp to convey our interest in partnering with a sophisticated and motivated partner partner to bring fiber. Gpon type c protection the gpon type c protection switching is implemented through the redundancy configuration of the two pon ports on the onu, backbone optical fiber, optical splitter, and tributary optical fiber on a gpon network. It integrates a gpon tcmac, gigabit ethernet gbe tcmacs and a clock and data recovery cdr unit to a core built on power architecture technology. In order to enable easy transition from bpon to gpon, many functions of bpon are reused for gpon. Converts optical media from the olt into an electronic format that interfaces with subscribers network. Verizon fios architecture mark wegleitner senior vp technology. Architecture defines the overall services architecture for dpoe network phy options within epon declared mandatory, and adds additional requirements sec provide transparent support of docsis device authentication, code verification, and additional security ipne best practices and requirements for ip network element management and operations ossi. In this work, a quad play gpon architecture will be designed and developed to. Syed shujat ali 14211065 m masoud ahmad 1421211016 numan ahmad naseer 1421211 2. A vehicle for the consolidation of results of various studies into the support of the specific feature in the mtop interface that have been carried out by interested parties working within. Gpon enables transport of multiple services in their native format, specifically tdm and data. Xg pon architecture aspects for xg pon physical layer specifications trends.
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 architecture typically begins with a 1x32 splitter placed inside. From the optical splitter, a single mode sm fibre strand run to each user. All you have to do is print the document the way you usually would, and then choose the pdf option as your printer. Bit error rate ber, q factor and eye diagram from simulation results when using.
Gigabit passive optical network gpon tdm architecture, 2. Lisbon, 25 february 2010 3 pon access overview optical access deployments happening worldwide, with regional customized flavors built on generic transmission most cost effective transmission solutions found to be pon. Specifications of tc layer in the gpon system gtc multiplexing architecture and protocol stack gtc frame onu registration and activation dba specifications alarms and performance itut g984. One way of providing fiber to the home is through a gigabit passive optical network, or gpon. 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. The key to making this possible at costs that allow for aggressive use of gpon lies with deployment of the motorola solution in conjunction with use of existing motorola video architecture.
An epon uses a single trunk fiber that extends from a central office to a passive optical splitter, which then fans out to multiple. The traditional architecture of the gpon deployment houses a large capacity olt at the central office co with dedicated fiber to neighborhood located splitter boxes then to the business or household where the fiber terminates at the ont. Design and implementation of a fiber to the home ftth. The splitter outputs then extend out to a few splice closures.
Central office rearchitected as a datacenter open networking lab and onos partnership. This architecture centers on the fdh where every end user or building in the neighborhood is represented. An ont is a device that terminates the pon and presents native service interfaces to the user. It supports higher rates, enhanced security, and choice of layer 2 protocol atm, gem, ethernet. A passive optical network pon is a pointtomultipoint, fiber to the premises fttp network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises in simple it uses passive optical splitters to serve many subscribers.
Singlewavelength rates for 100g access already a significant optical access node rate, 25g capability on a single wavelength is the next step to 100g pon. The upstream frame format is 53 cells of 56 bytes each 53 bytes. In early 2008, verizon began installing gpon equipment, having installed over 800 thousand lines by mid year. Rf and bandwidth spectrum and consultation diagram as well as lowenergy. This article describes ethernet passive optical networks, an emerging local subscriber access architecture that combines lowcost pointtomultipoint fiber infrastructure with ethernet. The network layer of gpon uses its own frame format to transfer the data. This document results from a short study of the gpon technology by the mtop architecture team, and serves a number of purposes.
Pon architecture a passive optical network pon is a point to multipoint fiber to the premises network architecture using optical splitters to permit a single optical fiber to provide broadband access to multiple premises. We say document, but really, you can convert anything you would usually print to a pdf text files, images, web pages, office documents, whatever. 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. As opposed to a standard copper wire in most networks, gpon. Huawei gpon basic knowledge training data free download as powerpoint presentation. Optimal solution to ftth recently, the increasing spread of the internet is the major driver for the development of new access technologies, which demand more capacities carry to bandwidth. Design and implementation of a fiber to the home ftth access network based on gpon mahmoud m. An overview of gpon in thean overview of gpon in the. A pons distinguishing feature is that it implements a pointtomultipoint architecture, in which unpowered fiber optic splitters are used to enable a single optical fiber to serve multiple endpoints. S t a n d a r i z a t i o n s d e v e l o p m e n t s.
However, the passive optical network pon, which provides pointtomultipoint connectivity, has become increasingly popular because it enables operators to make more efficient use of their optical fibre infrastructure. Fiber to the home ftth technology is evolving rapidly. A nice facet of gpon for ip video support is that its downstream is naturally a broadcast medium, and it is very efficient for delivering multicast traffic. An overview of gpon in thean overview of gpon in the access. On the enterprise side, about 12% of all buildings in north america connected. Its main characteristic is the use of passive splitters in the fiber distribution network, enabling one single feeding fiber from the provider to serve multiple homes and small businesses.
Network architecture the proposed network architecture, depicted in fig. An overview of gpon in the an overview of gpon in the access. Definition of pon passive optical network is a pointtomultipoint, fibertothepremises fttp network architecture. Huawei gpon basic knowledge training data fiber to the x iptv. With chief architect, you can save any view as a 2d. Gpon networks management feature description document. A gpon network consists of olt optical line terminals, onu optical network unit, and a splitter. Gigabyte passive optical networks gpon s are networks which rely on optical cables to deliver information. Gem frames automatically encapsulate header information.
An overview of gpon in thean overview of gpon in the access network jttjoe trost november 14, 2008 agenda access networks the last mile definition trends pons revenue split history and projections characteristics of a pon terminology and architecture pons and fttx pon implementations apon and bpon gpon. Total access 5000 gigabit passive optical network gpon overview. Oct 16, 20 epon architecture and key technologies home fots blog epon architecture and key technologies on october 16, 20 fots blog leave a comment. Detailed analysis pon architecture passive optical networks used in ftth are networks that deploy strands of singlemode glass from the central office out to a remote terminal where each singlemode strand is passively split in a typical 1x16 or 1x32 scheme. Connects to 1 or 2 tors 48 gpon olt ports carrying 120g ds 60g us single blade refactored for nfv. The passive optical network pon is the optical fiber infrastructure of an ftth network. Gpon optical line terminal data sheet complete solutions for networking multiservice access and the aggregation node ma4000px allows to construct access networks based on gpon technology. With a pon, optical fiber is deployed either all the way or almost all the way. Total access 5000 gigabit passive optical network gpon. Gpon training free download as powerpoint presentation.
Basic architecture twsdm pon coexistence wdm pon ofdm pon. This architecture is designed for very small distribution areas, so there are typically only a few splice closures and a relatively small splitter. Olt usage allows an operator to construct scalable, failsafe last mile networks, ensuring high safety requirements in either urban or rural areas. Gpon solution is not a company, it is a personal website. Pon is a kind of passive optical network featuring onetomultiplepoint architecture. The standard was developed by itu and details an architecture capable of total network throughput of 40 gbits, corresponding to up to. Gpon solution gpon solution site is a complete gpon. Operators who deliver tv services using the motorola digital addressable controller dac or its. Among these technologies, fiber to the home ftth becomes the most suitable choice. We then outline in some depth the technologies used to implement this architecture, including the g pon and epon systems being deployed today, and the advanced pon systems that provide the evolution path to ever higher bandwidths.
Huawei hg 8247h architecture high level overview hardware specifications ont details cpe manufacturermodel huawei hg8247h chipset hisilicon sd5115t product overview wan pon port with scapc optical module connector lan 4xgb ethernet pots 2xpots ports rj11. We then outline in some depth the technologies used to implement this architecture, including the gpon and e pon systems being deployed today, and the advanced pon systems that provide the evolution path to ever higher bandwidths. Passive optical network olt onu optical line terminal optical network unit passive optical splitter pstn internet iptv onu onu pon is a kind of passive optical network featuring onetomultiplepoint architecture. Open gpon olt io blade 19 io blade fits into the cord pod, just like a server. An ont is typically located on the customers premises. Gigabit passive optical network gpon the future of cable network infrastructure is already here gpon is the highest speed, longest life, lowest cost network infrastructure available in the market. The key element of the architecture is a 1 to n passive optical coupler splitter that distributes the optical signal to many access points. Mapping format is clear and it is easy for devices to support this mapping. Epons are designed to carry ethernet frames at standard ethernet rates. Pdf design and implementation of a fiber to the home ftth. Centralized access architecture for pon and distributed access architecture for pon. The msc7104 gpon is a systemonchip soc solution for broadband passive optical network termination ont applications. Scalable distribution of multiple lband polarities and gpon. Onu optical network unit an onu is the ponside half of the ont, terminating the pon, and may present one or more converged interfaces, such as xdsl or ethernet, toward the user.
The co based olt has a general service area of about 20km. Odn in xgpon1 entirely inherits that of gpon, implying that optical fibers and splitters in legacy gpon systems can be reused in xgpon1. Simple protocol based on ethernet framing instead of more expensive and complicated gpon specification atm which affects future pricing momentum already made toward a docsis based provisioning model 10g specification was completed in 2009, with product available today. Ngpon2 also known as twdm pon, nextgeneration passive optical network 2 is a 2015 telecommunications network standard for a passive optical network pon.
The following illustration shows the network architecture of pon. It makes very efficient use of the splitters, maximizes accessibility, provides easier troubleshooting and accelerates turnups reconfigurations. And when you want to do more, subscribe to acrobat pro. Gpon ftth architecture offers converged data and voice services at up to 2. It inherits the pointtomultipoint p2mp architecture of gpon and is able to support diverse access scenarios, such as fiber to the home ftth, fiber to the cell fttcell, fiber to the building fttb, fiber to the curb fttcurb, and fiber to the cabinet.
For our example here, were going to create a pdf from one a text file. Voice, video, and data traffic must all be delivered across the single gpon downstream wavelength. Opensource multipurpose leafspine fabric white box white box white boxwhite. Gpon adopts two multiplexing mechanisms a in downstream direction i. Current architecture makes it too hard for an operator to achieve. Scalable distribution of multiple lband polarities and gpon over single fiber active lband splitter dwdm transmitter 27db edfa amplifier high power 1x4 plc cwdm 1550 10 1490 common cwdm 155010 1490 common cwdm 1550 10 common cwdm 1550 common high power 1x4 plc cwdm 1550 common cwdm 1550 10 1490 common cwdm 155010 1490 common cwdm. Is called passive because unpowered optical splitters are used to enable a single optical fiber to serve multiple premises, typically 16128.
Unbundling and wholesale in gpon networks unbundling gpon networks for multiprovider access in broadbandaccess market, wholesale business models are a reasonable response to unreasonable investments into a parallel. Overview of pon technologies and system architectures. After a 10g interface board is added to the olt, smooth evolution from gpon to xgpon1 can be achieved, which completely leverages the value of gpon odn. There are several technologies that provide fiber to the home, where passive optical networks pons are generally. This is the ituts next generation standard following on from gpon or gigabitcapable pon. The first crucial architectural decision for the pon network is that of optical splitter placement. Gigabit passive optical network gpon optical solutions. Pon consists of optical line terminal olt, optical network unit onu and optical. 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. Optokon ftth pon solution pon technology is the most popular technology used for building future networks a passive optical network pon is a telecommunications network that uses pointtomultipoint fiber to the premises in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises. Alquzwini college of engineering, alnahrain university, baghdad, iraq abstract this paper presents a step by step design and field implementation of a protected gpon ftth access network serving users. Big, power hungry, proprietary olt chassis now embodied in 12 pizza boxes cord pod inband management tor switch gpon ports ethernet ports.
The case for distributed gpon architecture gpon in the cloud. Li shengping research engineer, acess network, huawei a ccess rates are increasing. Below is a comparative table showing advantages and disadvantages of each of the three types of network clearly justify the use of fttx pon compared to other configurations. The msc7104 gpon provides a highly integrated solution designed to minimize. A gpon network is capable of transmitting ethernet, tdm time division multiplexing as well as atm traffic. Optical fibre is shared by many subscribers in a network known as fttx in a way that centralises most. How gpon works gigabyte passive optical network gpon. To get there, huaweis research into 4x10g twdm pon has yielded a number of multiwave layering solutions. Cs548 projectbroadband services over fiber attalloyer. Gpon s are currently the leading form of passive optical networks. Gigabit passive optical network gpon is a high bandwidth shared fiber access technology. For our ftth access network, we decided to follow the evolutionary roadmap of passive optical network pon technology, which conceives, as a first step, the introduction of gpon gigabit passive optical network technology, currently the most solid fixed access technology on pon networks, and subsequent evolution towards ng pon and ngpon2 technologies that will allow a progressive and.
The architecture begins with the feeder cable running from the central office to the closure, where it is spliced to the splitters inside. Gpon ftth architecture offers converged data and voice. Recognizing these benefits, some service providers planning gigabitcapable passive optical network gpon deployments are eager to use elements of the architecture and requirements provided by tr 101, but find that there are some aspects of gpon deployment that require definition and could benefit. Gpon gigabitcapable passive optical network gpon is a passive one fiber optical network. Tutorial next generation optical access technologies. The olt takes in all of the optical signals in the form of beams of light from onus and will convert it to an electrical signal. Interoperability of gpon and wimax for network capacity.
Using optisystem we can explore the performance of different architectures for ftth networks. Inherited from ftths fiber to the home longdistance technology, the ftto fibre to the office or pol passive optical lan solution is now part of a new approach to tertiary horizontal cabling pushed by gpon technologies. Gpon concept and standards concept developed by fsan and standardized in itu to provide flexible and costeffective optical access fsan full service access network a consortium to promote broadband fiber access networks goal of gpon address limitations of bpon and epon provide high bandwidth and universal transport. Gpon networks management feature description document tm. Therefore, this tutorial covers all the technical and economic aspects of ftth and describes relevant terms. Scalable distribution of multiple lband polarities and. A tutorial is presented discussing the basic issues associated with propagation of uncertainty analysis and statistical validation of engineering and scientific models.
Only with adobe acrobat reader you can view, sign, collect and track feedback, and share pdfs for free. Go through all these samples files by simulating them. The case for distributed gpon architecture gpon in the cloud introduction. A passive optical network pon is a telecommunications technology used to provide fiber to the end consumer, both domestic and commercial. To understand why fttx architecture is based on pon network, it is necessary make a direct comparison between the pointtopoint p2p, passive pointtomultipoint pon and active pointtomultipoint networks aon. The gpon is a purely passive cabling system and has a low energy consumption this pointtomultipoint optical solution allows to share part of the infrastructure between several users. Unbundling and wholesale in gpon networks whitepaper.
1429 1108 1432 1517 678 528 833 370 1177 362 788 802 1162 114 1643 1414 1411 276 736 1301 524 465 1358 498 999 1510 1104 764 34 25 1373 669 1349 1340 1439 1148 605 1442 376 569 1358 631 532 134 343 713 139 556 261