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- Digital Subscriber Line Access Multiplexer (DSLAM)
- A digital subscriber line access multiplexer DSLAM delivers exceptionally high-speed data transmission over existing copper telephone lines. A DSLAM separates the voice-frequency signals from the high-speed data traffic and controls and routes digital subscriber line xDSL traffic between the subscriber's end-user equipment (router, modem, or network interface card [NIC]) and...
- Tags: Microsoft Access, Network, Network Interface Card, DSLAM, DSL, Broadband Internet, Network Technology, Networking, Telecommunications, Personal Technology
- White papers
Additional Resources
- Hey AT&T, just park that U-verse DSLAM in my yard
- Nate Anderson wrote a pretty good article AT&Ts U-verse negotiation troubles. U-verse is the AT&T marketing name a hybrid fiber/copper Internet transport system that relies on lots of distributed miniature DSLAMs that are within 3000 to 5000 feet of the homes that each mini-DSLAM serves. Instead of spending...
- Tags: AT&T Corp., cable, mini-DSLAM, Technology policy, U-verse DSLAM
- Blog posts 2006-12-19
- Hey AT&T, just park that U-verse DSLAM in my yard
- Would you let AT&T park a mini-DSLAM in your yard for an RJ45 hookup?There's a big fight over the new "U-verse" hybrid fiber/copper very high speed DSL service over public right-of-ways. I don't know what all all the fuss is about and I'd let AT&T
- Tags: Broadband Internet, george_ou@..., yard, U-verse DSLAM, AT&T Park, AT&T Corp.
- Discussion threads 2006-12-20
- RIC-155GE Connects IP DSLAM Infrastructure Transparently Over Dedicated Leased SDH Circuits
- Telefonica Deutschland is a German provider of integrated data and telecommunication solutions for business users. The company wanted to transport any Ethernet traffic transparently over conventional SDH lines. The challenge was to enable broadband services, including ADSL 2+, and multimedia services, such as Triple Play, on an advanced, Ethernet-based DSL...
- Tags: RAD Data Communications Ltd., IP, Telefonica, SDH, RIC-155GE, Telefonica Deutschland, Fiber Optics, Optical Networking, Ethernet, Network Technology, Networking, Telecommunications
- Case studies 2005-10-09
- ISAM Family Application Note on IP Aware Bridging
- The broadband services and business transformation driven by the introduction of IPTV and new interactive services is strongly impacting the network infrastructure, and driving the introduction of triple play tailored and cost-effective technologies: IP and Ethernet. This critical evolution translates into the introduction of IP DSLAM, replacing the traditional ATM...
- Tags: Aware, ISAM, IP, Network Technology, Networking
- White papers 2005-08-01
- Ethernet and VPLS: The Keys to a Successful Triple-Play Network
- The successful deployment of new triple-play services very much depends on the choice of infrastructure. Carriers who have built triple-play networks using DSL for subscriber access, ATM for DSLAM aggregation, and IP for Internet access are increasingly running into problems. These problems include DSLAM bandwidth limitations and ATM scalability as...
- Tags: ATM, Ethernet, Network Technology, Networking
- White papers 2006-05-01
- I completely disagree
- I completely disagreeThe first problem with the logic of the article is that the author does not take the size of the business into account. A 5 person office would probably need much less than a T1 line. On the other hand a corporate facility such as Microsoft's Redmond facility...
- Tags: bandwidth, bandwidth saturation, GreyHat, Internet Service Provider, security, T-1, T1
- Discussion threads 2005-06-03
- Hidden Firewall Issues
- I'm using a DSL ISP, and Windows XP. I've been having issues with a lot of downloads, programs and games lately where the internet goes haywire and decides to quit or stop working. As well as many other issues. Everything I read points to a firewall issue. I've disabled Windows...
- Tags: firewall, Internet Service Provider, modem, overd0se_me@..., router
- Q&A 2006-01-14
- VoIP over cable broadband: Does it mean business?
- Reliability and finger pointing...My wife and I still use POTS and cellphones for most of our home voice communications, precisely because no Internet connection in my experience has yet attained the "five nines" reliability that has been for decades the goal of most telcos. Uptime of 99.999% translates into...
- Tags: broadband, cable, cable broadband, cable modem, DSL, Internet, isp, laptop computer, mdhealy@..., modem, networking, POTS, router, telco, troubleshooting, voip
- Discussion threads 2007-02-28
- Worst corporations for customer service
- It's horror story time kiddies,so let's get those lean and mean, corporate bean countingrat b@stards where it counts,by exposing just how bad their service is.My vote goes to ATT/SBC for selling a customer of mine DSL service that is too far away from the DSLAM.I was troubleshooting an email issue...
- Tags: Customer relationship management (CRM), Broadband Internet, pgm554, customer service
- Discussion threads 2007-03-27
- Linksys just lost a customer.
- Help Desk = reading from a piece of paperwhen you call the Linksys Help Desk, the first person you talk to is someone who reads from a piece of paper. This isn't new for anyone who's ever had to deal with help desk support at any company big enough to...
- Tags: Home networking, Call centers, Routers & switches, Network technology, NETWORKING, CG IT, Linksys, router, help desk
- Discussion threads 2007-04-09
- Why HD movie downloads are a big lie
- There's a lot of buzz lately about the delivery of HD TV and Movie content over the Internet with shows like Lost being delivered by ABC.com and other video download services with XBox360 or iTunes. I even have friends and colleagues telling me that BlueRay or HD-DVD won't make it...
- Tags: VoIP, Networking, Net Neutrality, Infrastructure, Fun Stuff, Consumer electronics
- Blog posts 2007-05-31
- Cisco 1841
- I'm running cisco 1841 version 12.4(11)XJ with hwic 2/4 wire shdsl interface. I'm able to synchronize the shdsl interface but can't forward traffic via shdsl. The problem seems to be that the mac address of the related atm interfaceisn't learned at the ip dslam subscriber port. Mac and ip address...
- Tags: ATM, Network technology, NETWORKING, andreas.1.fischer@..., SHDSL, Cisco Systems Inc.
- Discussion threads 2007-10-19
- ADSL/DTM Network Architecture
- This paper suggests an architecture for aggregating DSLAM traffic using DTM. The multi-service properties of DTM makes it an excellent choice for this purpose. It is argued that DTM gives a number of benefits including low barriers in form of cost and complexity, but still provides the needed quality of...
- Tags: Net Insight, DSL, Broadband Internet, Network Technology, Telecommunications, Personal Technology, Networking
- White papers
- Do You Need a Broadband Remote Access Server?: Functionality and Trade-Offs of Using Smart DSLAMs and MSANs
- There are many misconceptions about the role of the DSL Forum's Broadband Network Gateway BNG, better known as a Broadband Remote Access Server BRAS or Broadband Services Router BSR. The BSR has evolved significantly from its original role of terminating PPPoX sessions. Proponents talk about enhanced subscriber management capabilities, while...
- Tags: Broadband, Broadband Services Router, Broadband Internet, Network Technology, Telecommunications, Networking
- White papers 2008-02-01
- Technical White Paper for ATM-ETH IWF
- With the development of Ethernet, ATM access network is stepping towards Ethernet. The routers with IWF feature provide a perfect solution for making full use of existent ATM network and devices (ATM DSLAM, ATM Switch, etc.). It helps ATM network intercommunicate with Ethernet smoothly through multiple carrier methods such as...
- Tags: Huawei Technologies Co. Ltd., ATM, Ethernet, Network Technology, Networking
- White papers 2007-12-18
- How to connect PC which is far from the DSL modem
- Hi Everyone,here is the situation.The Pc is far from the DSL modem like 2Km, what are the possible ways to connect this PC to this DSL Modem ? What devices will be needed & how much it would cast ?? How the data will be transmitted ? Thanks2 Km????Are we...
- Tags: Modems, Network technology, Broadband Internet, Cable, DSL, wireless, modem, DSL modem
- Discussion threads 2008-11-07
- The science of computer forensics
- Feel free to tell us about other tools used for computer forensics and investigations in the comments section.Network Taps?Aren't those just hubs?Not reallyWell, not really. Network taps generally come with specialized features catered specifically at monitoring network traffic.Depending on specific manufacturer/model, they might sport feature like POE support, 100% monitoring...
- Tags: PRODUCTIVITY, NETWORKING, Network technology, computer forensic, computer, monitoring, PoE, network
- Discussion threads 2008-04-04
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