Archive

Archive for the ‘Internet’ Category

Principles and sample programming codes of IPv6 domain resolve

11:12:18 September 24th, 2009 No comments

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…

What exactly is the “Non-authoritative answer” in DNS lookups

18:46:27 August 1st, 2009 No comments

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.

Georgia Tech develops new efficient cooling system for data centers

11:07:20 June 11th, 2009 1 comment

The electricity consumption of large data centers has always been a critical problem. A large data center may run as much power as big city. The data center operators is trying hard to reduce the pwoer consumption of the servers. In a different way, researchers from Georgia Institute of Technology has recently developed a new [...]