DNS in the cloud: Why and why not

The upside can be better performance and resiliency with a down side of dire business impact if the DNS service provider suffers a catastrophic outage. Here are the names of some cloud-managed DNS service providers: Akamai , Amazon Route 53, Cloudflare DNS, ClouDNS, DNSMadeEasy, Google Cloud DNS, Infoblox NIOS in the cloud, Microsoft Azure DNS, Neustar (acquired UltraDNS), NS1 Managed DNS, Oracle (acquired Dyn), Rackspace DNS - Cloud Control Pane, Verisign Managed DNS.

Read the article over at Network World here.

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LDWin: Link Discovery for Windows

LDWin supports the following methods of link discovery: CDP - Cisco Discovery Protocol LLDP - Link Layer Discovery Protocol Download LDWin from here.

Battery Room Explosion

A hydrogen explosion occurred in an Uninterruptible Power Source (UPS) battery room. The explosion blew a 400 ft2 hole in the roof, collapsed numerous walls and ceilings throughout the building, and significantly damaged a large portion of the 50,000 ft2 building. Fortunately, the computer/data center was vacant at the time and there were no injuries. Read more about the explosion over at hydrogen tools here .

STG (SNMP Traffic Grapher)

This freeware utility allows monitoring of supporting SNMPv1 and SNMPv2c devices including Cisco. Intended as fast aid for network administrators who need prompt access to current information about state of network equipment. Access STG here (original site) or alternatively here .

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