Professional's Domain

While the IPv4 addresses are being exhausted, the deployment of the new IPv6 infrastructure has been started, and you may have been enjoying the new technology now. The most improvement brought by IPv6 is the address space of 128 bit other than the 32 bit address in v4, making the number of available address extremely increased. However, at the same time, the use of IPv6 network, especially programming, is not completely compatible with the v4 case. This article discusses the domain name resolve problem and the programming implementation under IPv6 environment…

When using the nslookup command in Windows to solve a domain name, a “Non-authoritative answer” message may be received and probably bringing much confusion. Many people states that “non-authoritative answer” means the answer comes from local DNS cache. However, this statement is not completely true. This article explains what exactly “non-authoritative answer” is.

Google App Engine (GAE) is a cloud computing platform provided by Google. GAE allows users to create rich web applications using either Python or Java. Publicly released in Jul, 2008, there has been thousands of GAE applications online. The Google App Engine has been recently updated to version 1.2.3 with several new features along with, unfortunately, a major decrease of free quota.

Currently when accessing the Internet through wireless connections, such as using a netbook or cell phone, on a fast moving environment, the performance should be significantly limited. Recently researchers at Winlab, Rutgers University and NEC Laboratories have designed R2D2, a new system designed to fit this situation.

The Incognito mode of Google Chrome provides an excellent way to protect privacy (though not perfect yet) when browsing. However, starting the Incognito mode is a little tedious. Now it is easier to use a command line parameter to do this.