| Editor's note: We will be changing how we send out Network World newsletters over the next few weeks. To ensure future delivery of your newsletters, please add nww_newsletters@newsletters.networkworld.com to your e-mail address book or 66.186.127.216 to your white-list file. Thank you. The incredible international submarine cable systems Being a WAN guy at heart, I have always been amazed by the submarine fiber optic cable systems that crisscross the Earth. To be able to send gigabytes of data to India in seconds, call China on my mobile phone, and have a telepresence with Japan all because of these cable systems astonishes me. EDS jumps on application performance bandwagon It was only a matter of time before system integrators codified a set of application performance optimization services (joining the network service providers we have already profiled--see below). We've been eager to see who among the systems integrators would be first -- and the winner is EDS (an HP company). Virtualization continues to pose management challenges A majority of IT departments are deploying virtualization, but still most don't feel comfortable with the tools and technologies they have in place to manage application performance or troubleshoot problems in the virtual environment, according to recent survey results. NYSE to implement 100Gbps network NYSE Euronext, the company that operates the New York Stock Exchange, will soon implement a 100Gbps data network with help from network equipment vendor Ciena. Wireless networks must overcome interference, latency and security challenges Wireless networks bring flexibility, but IT managers say interference, latency and security issues can be challenging. Choices abound: How to track Web performance Figure out the best way to watch your site in our Product Guide. May Giveaways
Cisco Subnet, Microsoft Subnet and Google Subnet are collectively giving away books on Google Apps Deciphered, the CCNA Security exam, an awesome SQL Server 2005/2008 training video and the grand prize, a Microsoft training course from New Horizons worth up to $2,500. Deadline for entries May 31. Network World on Twitter Get our tweets and stay plugged in to networking news. | 
From 3Mbps over shared coax to 40/100Gbps over fiber…and beyond.
iPhone enthusiasts from around the Web offer their visions for the next-gen iPhone.
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