Should we therefore abandon DOCSIS? 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. — DOCSIS remains the clear winner here. #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. The differences between theory and practical implementations can be significant, so stay aware of these scenarios. CAPEX per bit of bandwidth (i.e. Data Over Cable Service Interface specification … 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 … To us, it was always a no-brainer that a DOCSIS network-based deployment would have favorable economics compared to a fiber-based model. Physics: Fiber wins 2. SCTE•ISBE IS FOCUSED ON THE WORKFORCE OF THE FUTURE, CHECK OUT THE LEADERS IN BROADBAND TECHNOLOGY, https://www.cablelabs.com/technologies/docsis-4-0-technology, https://www.cablelabs.com/technologies/docsis-3-1, How Telecoms are Leveraging 5G to Attract Gamers, DOCSIS 4.0 | Providing 10 Gbps pipe at the right cost, Marketing: It’s a tie provided DOCSIS 3.1 or 4.0 are deployed. DOCSIS 3.1 suite of specifications now support capacities of up to 10 Gbit/s downstream and 2 Gbit/s upstream. He has over 25 years of broadband cable and telecommunications industry experience specializing in RF, DOCSIS, PNM, and Internet Protocol. cm8200 vs sb8200. In … He is a highly respected published speaker, both domestically and internationally. Pingback: DOCSIS 4.0 | Providing 10 Gbps pipe at the right cost. Anyone who has ever worked in a cable plant knows that coax does not get better over time. Reliability: Fiber wins 4. 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. DOCSIS is delivered on coaxial cable. The cost to install new fiber is on parity with coax. The first release goes back to October 2013, although this technology was updated several times since. The original question was can DOCSIS 3.1 or even future versions of DOCSIS compete with fiber? Sell on twoosk Help Or is the other way around? The benefit with coax is that it is already there, passing more than 90% of the homes in the U.S. 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. 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. [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. Saving time – Immediate deliveries and simplified purchase process in a marketplace opened 365 days/year. DOCSIS 3.0's highest possible speed is 1Gbps, also known as “Gigabit internet." This question may be in your head when building innovative networks and providing the best service to your customers. It’s not self-healing. With 10 times the download and upload speeds from its 9-year-old predecessor DOCSIS 3.0, broadband is about to get a whole lot faster. cost per capacity) is lower for GPON than it is for DOCSIS 3.x. But when it comes to fiber, not only do you not need a DOCSIS … 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. Evolve or Die: Can DOCSIS 4.0 Compete with Fiber? Most home Internet service delivers faster speeds for downloading vs. uploading, due to average consumer needs. 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®. 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. — However, with just plain facts fiber wins in reliability. 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. © Copyright 2021 Lundwall Communications, Inc. All Rights Reserved. 100 Gbps is generally implemented as 10×10 Gbps on 10 “channels” or different wavelengths of light. Let’s look at the scorecard: 1. One has to choose according to the demands of the business and what the company is dealing with. Both cable operators and telecom operators can deploy fiber and are doing so today. This falls under the terminology of extended spectrum DOCSIS (ESD) in the DOCSIS 4.0 specification. and … Related articles: 5 key advancements in the telecommunications industry that you need to pay attention, Your email address will not be published. Should I go for FTTH or DOCSIS? DOCSIS 3.1 is the current modem technology. docsis 3.1 vs fiber? 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. Facebook; Twitter; Facebook; Twitter; Solutions. Before a cable company can deploy DOCSIS 1.1 or above, it must upgrade its hybrid fiber-coaxial (HFC) network to support a return path for upstream traffic.  Mr. Volpe holds a MSEE and a BSEE. FTTH is a Point to MultiPoint (P2MP) network architecture, DOCSIS 3.1 is a transport mechanism. Check out past issues of the award-winning Broadband Library! The following table shows the key differences between DOCSIS 3.0 and 3.1. Is 2021 the year of digital transformation in telecom industry? They’re both protocols on Layers 1 and 2 of the OSI model, so why would you use both together? 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.. Again, most homes already have the coax drop in place. DOCSIS lies between these 2, as it is faster than DSL but slower than Fiber technology. 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). Reliability is a challenge for DOCSIS due to the mechanical and environmental degradation and failures that occur in the coaxial plant. This often translates directly into more satisfied customers. 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. Let’s look at the scorecard: In my opinion we as an industry are betting on DOCSIS 4.0 for only one reason — cost. That is 10 times more capacity than DOCSIS 4.0 and it exists today. 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. Here, you can identify and find high quality products, their catalogues, and clear information about costs and transportation. Furthermore, it is not strange to use DOCSIS and FTTH together. He also hosts a popular industry YouTube and Podcast – “Get Your Tech On“. FAQ, DOCSIS 3.1 Cable Technology vs FTTH – Fiber To The Home. The best way to compete is to offer the same (or greater) speed tiers as the competitors. This article belongs to a monographic series about the evolution of telecommunication technologies, FTTH and Cable (DOCSIS… It is very tough to win a marketing war against raw speed. Through a SW upgrade, some CMTSs can offer partial DOCSIS 3.1 support, still better than DOCSIS 3.0. 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. 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. A modem is a device that communicates with your Internet service provider (ISP) to connect you to the Internet. Fiber optic network: All you need to know. Ciena’s Wayne Hickey details how this will directly impact fiber deployments in cable networks. Without a return path, the old DOCSIS 1.0 … 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? This technology dramatically increases connection speed available to computer users compared with technologies now used in most places. Fiber may be faster, but … 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. Currently, the alternatives to fiber fac… 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. If you look at fiber objectively from any other perspective it outperforms DOCSIS. Understanding the combination of Ethernet and DOCSIS takes a bit of explaining. [2] The biggest expense with fiber is running the subscriber drop. If you look at fiber objectively from any other perspective it outperforms DOCSIS. Well, perhaps that’s the wrong question to ask. 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. FTTH vs DOCSIS (II): The future of Gigabit capable technologies. It would bankrupt most i… Absolutely not. 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 … 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. From the technical side, let’s look at the raw capability of fiber and today’s DOCSIS 4.0 technologies. OFDM makes quantum leaps in the amount of data capacity and speed available – … THE GIGABIT BROADBAND RACE FOR THE BEST CUSTOMER EXPERIENCE! Buy on Twoosk The original question was can DOCSIS 3.1 or even future versions of DOCSIS compete with fiber? In this TCO analysis, we showed >50% reduction in TCO for an outdoor use case of backhauling small cells when served by DOCSIS … It allowed cable and telecom to directly compete with each other. In eff ect, the throughput of GPON is less expensive than the throughput of DOCSIS … 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 industry anticipates easily achieving a 10 Gbps pipe shared amongst subscribers and achieving much higher in the future in the 3 GHz spectrum. Direct Ethernet communication is more efficient. It would bankrupt most if not all cable operators. 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