Monthly Archives: December 2013

Value with a constant growth factor

Many times we hear in the news, either financial news or economy in general, about growths with constant factor.  For example: “The appreciated value of residential property in townville grows at 4% per year’, or “The stock price grows constantly … Continue reading

Posted in logarithm, math | Leave a comment

How to mount disk used by ReadyNAS

The following steps are useful if we want to salvage data stored in the drive in ReadyNAS.I am not sure if the steps below are going to work on other ReadyNAS models, but it works on my ReadyNAS Duo (Sparc … Continue reading

Posted in, NAS | 2 Comments

Why we need to migrate to IPv6 sooner

The test result above was done using DOCSIS 3.0 modem, XFinity Blast and thru 5 MHz Wi-Fi (802.11n).See how IPv6 improves the download speed more than 3 times of IPv4 in download test? I think of the reason is that … Continue reading

Posted in broadband, downlink,, internet, ipv6, speed, uplink, vdsl | Leave a comment

AT&T U-Verse vs. Comcast Xfinity

Technology used U-Verse: FTTN (Fiber-to-the Node) and VDSLComcast: DOCSIS (DataOver Cable Service Interface Specification) and HFC Diagram CMTS = Cable Modem Termination System  (usually at curbside of a neighborhood serving house) VRAD = Video-Ready Access Device (usually at curbside of … Continue reading

Posted in at&t, broadband, cmts, comcast, docsis, fttn, hfc,, uverse, vdsl, xfinity | Leave a comment

Connecting Cable Modem to Two routers

Sometimes we want to split our home private network to two separate subnets, but want to maintain connectivity to the Internet/outside world. The following article tries to explain the basics and internals of most home WiFi routers in the market. … Continue reading

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