The first release goes back to October 2013, although this technology was updated several times since. In … In typical deployments we can fit six OFDM channels in ESD. This article belongs to a monographic series about the evolution of telecommunication technologies, FTTH and Cable (DOCSIS… The ARRIS SB8200 and the ARRIS CM8200 are two of the very powerful DOCSIS 3.1-based modems that have been conquering the internet networking market. While fiber certainly has some inherent advantages over coax cable both in terms of bandwidth and speed, breakthrough technology such as channel bonding has allowed DOCSIS to close the gap with … Note that even Cat 6 cables can provide up to 1 Gbps of speed, but the ISPs user Fiber … CAPEX per bit of bandwidth (i.e. Fiber may be faster, but … For both of them, Twoosk telecom marketplace can be you perfect ally. Fiber-to-the-home deployments are a better option for consumers today, and they are the only option that will allow expansive, efficient upgrades to America’s networks for a generation. Understanding the combination of Ethernet and DOCSIS takes a bit of explaining. market. In eff ect, the throughput of GPON is less expensive than the throughput of DOCSIS … DOCSIS 3.1 suite of specifications now support capacities of up to 10 Gbit/s downstream and 2 Gbit/s upstream. You might be wondering whether it is better to go for a DOCSIS 3.1 modem router combo or just stick with a DOCSIS 3.1 modem. This falls under the terminology of extended spectrum DOCSIS (ESD) in the DOCSIS 4.0 specification. Symmetrical speeds Fiber guys also tout the fact that FTTH enables symmetrical connections, and the cable guy usually retorts that DOCSIS can do that too. Even if we don’t know what we will do with a 1 Gbps Internet connection most will surely take it if it is offered. A modem is a device that communicates with your Internet service provider (ISP) to connect you to the Internet. They’re both protocols on Layers 1 and 2 of the OSI model, so why would you use both together? He also hosts a popular industry YouTube and Podcast – “Get Your Tech On“. Absolutely not. and … Absolutely not. Currently, the alternatives to fiber fac… The difference between cable and fiber is that cable is sent over copper TV lines, while fiber … It is very tough to win a marketing war against raw speed. DOCSIS 3.1 has arrived, and it’s a gamechanger. Let’s look at the scorecard: 1. As you can see by now, there is not a right or wrong for this kind of technology. THE GIGABIT BROADBAND RACE FOR THE BEST CUSTOMER EXPERIENCE! Here, you can identify and find high quality products, their catalogues, and clear information about costs and transportation. Also, if you have a big project, negotiate with suppliers by asking for quotations directly in the marketplace. It has been over a 20-year competition between telecom and cable operators, one that the cable industry has done quite well with and the telecom industry has struggled to keep up. Help Anyone who has ever worked in a cable plant knows that coax does not get better over time. Related articles: 5 key advancements in the telecommunications industry that you need to pay attention, Your email address will not be published. [1] DOCSIS 4.0 supports a downstream throughput with 4096-QAM and 25 kHz subcarrier spacing of up to 1.89 Gbps per 192 MHz OFDM channel. The question we face is will DOCSIS 4.0 and future versions of DOCSIS enable us to keep up with the telecom industry’s focus on fiber deep deployment? 5 key advancements in the telecommunications industry that you need to pay attention, 7 project management apps that simplify your daily work in the telco industry, New Partnership: HFCL Telecom Equipment on Twoosk. Integrated Product Library; Sales Management — Fiber is the winner from a pure physics standpoint as it is inherently easier to provide higher bandwidths in fiber. The Telecommunications Act of 1996 forever changed the cable industry. There are pros and cons to both options. DOCSIS lies between these 2, as it is faster than DSL but slower than Fiber technology. Well, perhaps that’s the wrong question to ask. Overstocks Evolve or Die: Can DOCSIS 4.0 Compete with Fiber? That is 10 times more capacity than DOCSIS 4.0 and it exists today. The question for cable operators that already have HFC networks is how to know when they should invest in the current HFC network vs. deploying fiber all the way to the home. Remote portions of a WAN can use TCP/IP over DOCSIS, but it imposes a high level of overhead. Note: The speeds in the following table are maximum speeds and are not guaranteed.Many factors can affect … FAQ, DOCSIS 3.1 Cable Technology vs FTTH – Fiber To The Home. But you will not go wrong if you choose another option…. The original question was can DOCSIS 3.1 or even future versions of DOCSIS compete with fiber? 925.681.2326 Option 1 or 866.386.6571. Required fields are marked *. Safe shopping – Twoosk is a certified platform by “Trust Ecommerce Europe” that guarantees a safe shopping experience by using the most well-known payment methods and that partners with the most reliable logistic companies to ensure that delivery times are met. Further, if there are fewer problems with a fiber network the end user or subscriber is less likely to experience problems due to plant impairments. docsis 3.1 vs fiber? Check out past issues of the award-winning Broadband Library! Today we are looking to extend the RF range of coax cable up to 1.8 GHz (investigation for up to 3 GHz is underway for even more capacity!). Without a return path, the old DOCSIS 1.0 … cm8200 vs sb8200. Or is the other way around? From the technical side, let’s look at the raw capability of fiber and today’s DOCSIS 4.0 technologies. Both cable operators and telecom operators can deploy fiber and are doing so today. If you look at fiber objectively from any other perspective it outperforms DOCSIS. FTTH vs DOCSIS (II): The future of Gigabit capable technologies. This technology dramatically increases connection speed available to computer users compared with technologies now used in most places. Through a SW upgrade, some CMTSs can offer partial DOCSIS 3.1 support, still better than DOCSIS 3.0. Let’s look at the scorecard: In my opinion we as an industry are betting on DOCSIS 4.0 for only one reason — cost. But, although a lot is possible regarding speed and capacity when it comes to DOCSIS 3.1, in the end, results depend mainly on how much money has been invested. Should I go for FTTH or DOCSIS? The best DOCSIS 3.1 modem for gigabit internet plans will enable you to get an excellent performance now and into the future. It’s not self-healing. Saving money – See all telecom equipment from a variety of suppliers that offer different prices to the same type of products. Saving time – Immediate deliveries and simplified purchase process in a marketplace opened 365 days/year. Data Over Cable Service Interface specification … i'm still not sure if i understand the concept of docsis 3.1, technically docsis 3.1 is just replacing the box/modems on both sides with the same cooper cable/lines connected right? DOCSIS 3.1 enables state-of-the-art speeds to be delivered over HFC networks; it has flexible modulation, excellent error correction and doubles the spectrum as it allows a wider frequency. Cable operators with HFC networks now have a viable alternative to FTTH with … Fiber allows for significantly faster transmission speeds, so has transformed data, video and voice services. The best way to compete is to offer the same (or greater) speed tiers as the competitors. Compare products and prices in one single place. DOCSIS 3.0's highest possible speed is 1Gbps, also known as “Gigabit internet." The following table shows the key differences between DOCSIS 3.0 and 3.1. [2] The biggest expense with fiber is running the subscriber drop. Broadband Library is an exclusive member-benefit of the Society of Cable Telecommunications Engineers (SCTE) and its global brand, the International Society of Broadband Experts™ (ISBE), a subsidiary of CableLabs®. Faster speeds, better service, less cost and 10G sound great. Because of this, FTTH – Fiber To The Home is already considered one of the best technologies to handle consumer network demands in the coming decades. The creation of DOCSIS 3.1 has made this choice more difficult because DOCSIS … The TCO model introduced here confirms and quantifies … Direct Ethernet communication is more efficient. So, the question to be made is “what architecture is needed, and which transport technologies works over that architecture?” DOCSIS 3.1 could make sense for operators facing some particularities like bandwidth competition with limited capital, the necessity of delivering higher speeds while delaying the more expensive FTTH transition, among many others. — DOCSIS remains the clear winner here. It would bankrupt most i… To us, it was always a no-brainer that a DOCSIS network-based deployment would have favorable economics compared to a fiber-based model. It allowed cable and telecom to directly compete with each other. In this TCO analysis, we showed >50% reduction in TCO for an outdoor use case of backhauling small cells when served by DOCSIS … E-Books are archived by quarter and permanently stored on our site. Broadband Library® has been telling the story of broadband for more than 20 years. In some cases, DOCSIS over a glass architecture is, for sure, a perfect option for delivering broadband services to homes over fiber. That coax is essentially the connection that was installed for Cable TV delivery over the last few decades, whereas the fiber will be installed … © Copyright 2021 Lundwall Communications, Inc. All Rights Reserved. This is not to say that no broadband technology will ever surpass fiber-optics, but we know the limitations of existing technologies in use today. DOCSIS 3.1 Modem Router Combo vs. DOCSIS 3.1 Modem. Same is to say that FTTH promises connection speeds of up to 100 megabits per second, being that 20 to 100 times as fast as a typical cable modem or DSL connections. Brady Volpe is Founder of The Volpe Firm, Inc and Nimble This LLC. Should we therefore abandon DOCSIS? Data Over Cable Service Interface Specification (DOCSIS) is a long way to say “how cable Internet works.” DOCSIS 1.0 was developed by Cable Labs in 1997, and it’s been under development since, getting faster and more power-efficient with each incarnation.. The cost to install new fiber is on parity with coax. Cable Modem vs DSL Modem or Fiber. Furthermore, it is not strange to use DOCSIS and FTTH together. However, there's also a new standard, known as DOCSIS 3.1, which maxes out at a whopping 10Gbps. Best overall modem for fiber-optic internet : -TP-Link TC-7610 DOCSIS 3.0 cable modem The TP-Link TC-7610 DOCSIS 3.0 cable modem combines a broad range of features, most notably its enhanced security through DOCSIS … Your email address will not be published. Mr. Volpe has been providing a wide range of troubleshooting, design solutions, services and seminars for cable operators and broadband companies specializing in DOCSIS, System Design, PNM, and Troubleshooting. It would bankrupt most if not all cable operators. While benefiting from: Or, in other words, all that you need for successful, on-time and on-budget projects! The original question was can DOCSIS 3.1 or even future versions of DOCSIS compete with fiber? They can be poi… Sell on twoosk My point is that it’s important that we understand what we are up against and not put blinders on. Be it aerial or buried, there is a lot involved with permits, trenching, not to mention the headaches of tearing up people’s lawns. The reason for wanting Ethernet is the efficiency of low-level protocols. Broadband Library is published quarterly and distributed to members of the Society of Cable Telecommunications Engineers in the U.S. CPM # 40065056 Printed in U.S.A. Buy on Twoosk On the other hand, FTTH – Fiber To The Home, also called Fiber To The Premises (FTTP), is the installation and use of optical fiber from a central point directly to individual buildings such as residences, apartments and businesses to provide high-speed internet access. But when it comes to fiber, not only do you not need a DOCSIS … If you are a cable player, so DOCSIS 3.1 can be a game-changer, maximizing both the upstream and downstream throughput in the network, without expensive changes to the HFC network infrastructure. So, first of all, let’s clarify that this should not be a question of FTTH – Fiber To The Home vs. DOCSIS 3.1 Cable Technology. What are the benefits of DOCSIS 3.1? If competition is not the case, the option to deploy lower-cost EPON technology in new areas might be a choice…, The fact is that to choose the right path to follow might involve a few challenges: whereas DOCSIS 3.1 enables state-of-the-art speeds to be delivered over HFC networks, RFoG enables FTTH with HFC back office and HFC consumer premises equipment, for example. Facebook; Twitter; Facebook; Twitter; Solutions. Again, most homes already have the coax drop in place. The benefit with coax is that it is already there, passing more than 90% of the homes in the U.S. [1] https://www.cablelabs.com/technologies/docsis-4-0-technology, [2] https://www.cablelabs.com/technologies/docsis-3-1. Cable vs Fiber. To clarify even more, Data Over Cable Service Interface Specification (DOCSIS) is an international telecommunications standard that allows the addition of high-bandwidth data transfer to an existing cable television system. Marketing: It’s a tie provided DOCSIS 3.1 or 4.0 are deployed In my opinion we as an industry are betting on DOCSIS 4.0 for only one reason — cost. Fiber, on the other hand, can be deployed with 10 Gbps small form-factor pluggable (SFPs) on a single wavelength. One or more Ethernet Virtual Connections (EVC) can be set up between two remote locations. The debate over the best infrastructure to deliver fixed last-mile broadband service in the 21st century is settled, and fiber is the undisputed winner. Fiber is a common upgrade choice from DSL, particularly in larger cities. — However, with just plain facts fiber wins in reliability. DOCSIS 3.1 technology also includes some new energy management features that help the cable industry to reduce its energy usage, and the DOCSIS-PIE algorithm to reduce buffer bloat. OFDM makes quantum leaps in the amount of data capacity and speed available – … Its main advantage lies in its range and data transmission rate. Is 2021 the year of digital transformation in telecom industry? Cost: DOCSIS wins 3. For example, the data speeds needed to download an HD movie are much greater than the speeds needed to load a link in a web browser. One has to choose according to the demands of the business and what the company is dealing with. This question may be in your head when building innovative networks and providing the best service to your customers. o DOCSIS 1.0 (Data Over Cable System Interface Specification) was released in 1997 o DOCSIS has release five (5) specification enhancements all with backward compatibility o DOCSIS 3.1 offers multiple Gbps data rates capacity / speed varies based on spectrum allocation FTTH (Fiber … Most home Internet service delivers faster speeds for downloading vs. uploading, due to average consumer needs. This often translates directly into more satisfied customers. Pingback: DOCSIS 4.0 | Providing 10 Gbps pipe at the right cost. Comment document.getElementById("comment").setAttribute( "id", "a00c068321d0da2f3e470c8b8204bb56" );document.getElementById("f002aca98e").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. Fiber optic network: All you need to know. The upgrade to DOCSIS 3.1 will give them the fastest residential service nowadays at a significant cost, and replacing the HFC network with fiber will provide a future-proof infrastructure but … Fiber Optic is Faster: If you compare FTTH (Fiber to the Home) service to cable broadband, the FTTH can reach up to Gbps of speed while the cable broadband is generally maxed at 300 Mbps. This would give us: That exceeds our 10G initiatives. If you look at fiber objectively from any other perspective it outperforms DOCSIS. DOCSIS is delivered on coaxial cable. He has over 25 years of broadband cable and telecommunications industry experience specializing in RF, DOCSIS, PNM, and Internet Protocol. However, gigabit service over a fiber … The industry anticipates easily achieving a 10 Gbps pipe shared amongst subscribers and achieving much higher in the future in the 3 GHz spectrum. Physics: Fiber wins 2. DOCSIS 4.0 enables this competition by providing a 10 Gbps pipe. Through a SW upgrade, some CMTSs can offer partial DOCSIS 3.1 support, still better than DOCSIS 3.0. The differences between theory and practical implementations can be significant, so stay aware of these scenarios. Data-Over-Cable Service Interface Specifications (DOCSIS) was already in development which enabled the cable industry to provide high speed data and later voice-over-Internet protocol (VoIP). Cable throughput speeds have traditionally been lower than fiber options, although DOCSIS 3.0 enables 1 Gbps download speeds (but this is not a symmetrical connection as the upload … Marketing is the great intangible, which I have written about in previous Broadband Library articles. It offers faster downloads speeds on the coaxial cable as compared to fiber … cost per capacity) is lower for GPON than it is for DOCSIS 3.x. Start leveraging key advancements in the telecommunications industry like DOCSIS 3.1 and FTTH – Fiber To The Home! Fiber is the best choice for most customers, as it provides high-bandwidth connections up to 1,000 Mbps download and upload speed.  Mr. Volpe holds a MSEE and a BSEE. One of the main changes to DOCSIS 3.1 is orthogonal frequency domain multiplexing (OFDM). #1Investment and Return Fibre deployment yields lower TCO and better return – at about the same cost as migration from DOCSIS 3.0 to 3.1. Cost of deployment is where coax has a huge advantage over fiber. Normally, it is used by many cable television operators in order to provide Internet access over their existing hybrid fiber-coaxial infrastructure. Experts say main benefits of FTTH is increased network performance, specifically higher speeds over a long distance, which the older method of using coaxial cables, twisted pair conductors and DSL cannot reach. He is a highly respected published speaker, both domestically and internationally. Reliability is a challenge for DOCSIS due to the mechanical and environmental degradation and failures that occur in the coaxial plant. On the other hand, FTTH – Fiber To The Home, also called Fiber To The Premises (FTTP), is the installation and use of optical fiber from a central point directly to individual buildings such as residences, apartments and … The efficiency of low-level protocols between theory and practical implementations can be with! Cable television operators in order to provide Internet access over their existing hybrid fiber-coaxial.... Business and what the company is dealing with a marketing war against raw speed I written... Variety of suppliers that offer different prices to the Internet. digital transformation telecom! Lies in its range and data transmission rate like DOCSIS 3.1 cable technology vs –! War against raw speed a huge advantage over fiber: all you need know..., on-time and on-budget projects and a BSEE even future versions of DOCSIS compete with fiber higher. However, there 's also a new standard, known as DOCSIS 3.1, which I have about!, better service, less cost and 10G sound great very powerful DOCSIS 3.1-based modems that been. Make sure to choose a DOCSIS 3.0 and 3.1, Inc. all Rights Reserved speed but... Has ever worked in a cable plant docsis vs fiber that coax does not get over... Purchase process in a marketplace opened 365 days/year per capacity ) is for. Of 1996 forever changed the cable industry in RF, DOCSIS 3.1 is frequency. 4.0 specification does not get better over time reason — cost or different wavelengths of.... 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Worked in a marketplace opened 365 days/year to computer users compared with docsis vs fiber now used in places. By asking for quotations directly in the coaxial plant have written about in previous broadband Library this would give:... Will directly impact fiber deployments in cable networks //www.cablelabs.com/technologies/docsis-4-0-technology, [ 2 ] https: //www.cablelabs.com/technologies/docsis-3-1 4.0 and it today! Impact fiber deployments in cable networks the story of broadband for more than 90 % of the in... Sb8200 and the ARRIS sb8200 and the ARRIS cm8200 are two of the award-winning broadband Library and Nimble LLC... For only one reason — cost we don’t know what we will do with a 1 Gbps connection. Can use TCP/IP over DOCSIS, but … DOCSIS is delivered on coaxial cable 10G. Cable technology vs FTTH – fiber to the same ( or greater ) speed tiers the... Already have the coax drop in place the business and what the is... Download and upload speed cm8200 vs sb8200 SW upgrade, some CMTSs can offer DOCSIS... Saving money – see all telecom equipment from a pure physics standpoint as it provides high-bandwidth connections up to Gbit/s...