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Networking


December 31, 2007  5:13 AM

Determining and Optimizing WAN Bandwidth



Posted by: Tony Bradley
Broadband, Ethernet, IP, Networking, WAN

If you have to connect multiple sites that are not physically in the same building or campus, it can be a little tricky establishing the kind of connectivity and throughput you need for remote sites to work effectively with the primary servers across the WAN connection. Dividing the file size by...

December 28, 2007  8:39 PM

What Happened to IPv5?



Posted by: Tony Bradley
IP, IP communications, IPv4, IPv6, Silvia Hagen

You are probably familiar with the fact that IPv4 is more or less the standard that the Internet and networks of the world rely on. IPv6 is the emerging standard developed to expand the available pool of addresses as well as addressing a variety of performance and security issues in IPv4. So, why...


December 27, 2007  1:17 PM

Giancarlo Departs Cisco



Posted by: Tony Bradley
Charles Giancarlo, Cisco, John Chambers

The odds on favorite being groomed to replace Cisco CEO John Chambers was Chief Development Officer Charles Giancarlo. However, Giancarlo apparently has other plans. He announced that effective December 31, 2007 he will be leaving Cisco to pursue other opportunities. Giancarlo was instrumental in...


December 19, 2007  10:04 PM

The Insider Threat



Posted by: Tony Bradley
Hackers, Internet, Intrusion prevention, Networking, Security, Windows Security

I know that it is sort of a "sky is falling", FUD (Fear, Uncertainty, and Doubt) sort of statement, but the threat from inside your network is significant. While you focus on keeping unauthorized users out, locking down your network perimeter, detecting and blocking incoming malware, etc., your...


December 11, 2007  2:21 PM

Cisco Confirms VoIP Security Hole



Posted by: Tony Bradley
Cisco, Hackers, IP communications, VoIP

VoIP is the new wireless (unfortunately, wireless is still the new wireless as well). By that, I mean it is the hot new technology that everyone is implementing even though they don't really know how to properly deploy it and they have even less knowledge of how to secure it. Vendors are guilty...


December 5, 2007  2:41 PM

Next-Generation IPS From Cisco



Posted by: Tony Bradley
Cisco, Gigabit ethernet, Intrusion prevention, IPS, Networking

For organizations that have high-volume networks, such as networks that are used to stream audio or video, or networks that are used to process large quantities of transactions, monitoring can be a problem. The functionality of the network, and the security of the network, are in conflict. From a...


November 30, 2007  5:44 PM

Projected Network Infrastructure Spending For 2008



Posted by: Tony Bradley
Ethernet, IP, IP communications, Network Access Control, Networking, UCC, Unified Communications, VLAN, VoIP, wi-fi, Wireless

What are your plans for your network infrastructure for 2008? Do you have a holiday wish list or some New Year's resolutions regarding the technologies you want to implement or the changes you plan to make? TechTarget's SearchNetworking site conducted a survey of over 1,200 respondents and they...


November 29, 2007  2:17 PM

LAN Security: What Hackers Don’t Want You To Know



Posted by: Tony Bradley
ARP Poisoning, Ethernet, Hackers, LAN, Networking, Security, Switches, VLAN

This blog is titled "Connectivity" because it deals with all aspects and issues of network connectivity. That includes how to ensure your network connectivity is secure and available, and how to make sure that malicious attackers can not intercept or disrupt your network connectivity. Do you know...


November 28, 2007  3:16 PM

BitTorrent Grows Up



Posted by: Tony Bradley
Internet, Networking, P2P, Peer-to-Peer

Peer-to-Peer (P2P) networking is sort of the "red-headed step child" of the network world. It is almost universally condemned by network administrators and security experts. It is blamed for a good chunk of software piracy, and illegal music and movie downloads. Files downloaded may contain spyware...


November 28, 2007  4:00 AM

Merging Wired & Wireless Network Management



Posted by: Tony Bradley
Ethernet, Networking

Managing wired networks is pretty old school. It is a mature field of information technology with many capable and stable tools. Administrators have experience and the utilities available to proactively monitor network performance, simplify management, allow them to allocate network resources and...


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