| Expand Networks upgrade highlights virtual appeal, affordability Expand Networks is upgrading its Virtual Accelerator product to better complement IT consolidation and virtualization initiatives and appeal to buyers looking for affordable WAN optimization options for their branch offices. Israeli start-up stirs CDN pot Just as CDN services have become ho hum, up pops Cotendo--an Israeli startup with the potential to shake up the CDN market. Although Cotendo describes itself as a CDN, don't be fooled. Its real raison d'être is something more powerful and innovative--application delivery management. It has what it calls a CDN Balancer, which allows you to serve content when you want and where you want across multiple CDNs. Why is that powerful? Because it gives you unprecedented control over how content gets delivered. Streaming video: Much ado about very little? For the past several years, we've followed the impact of "March Madness" on corporate bandwidth consumption with interest and, from time to time, a bit of bemusement. Particularly as the first two rounds of the NCAA tourney approaches, the thoughts of corporate networking managers seem to turn to whether employees watching basketball at their desktops will have a significant adverse impact on their network's performance. F5 upgrade speeds, secures application delivery F5 is enabling machine-to-machine communications among its Big-IP acceleration devices to secure and speed links among corporate offices. EtherScope adds LAN validation tests Fluke Networks this week improved the LAN validation capabilities of its EtherScope Network Assistant, tests that are intended to ensure that a network is up to snuff after it is installed or changed. Citrix upgrade reduces Web server requirements for Web 2.0 apps Citrix has upgraded its NetScaler Web application-delivery appliance to support two-way proxying that cuts the numbers of servers needed for highly interactive Web 2.0 servers. Called NetScaler Web 2.0 Push, the software manages connections between users and Web servers in both directions. April giveaways galore
Cisco Subnet and Microsoft Subnet are giving away training courses from Global Knowledge, valued at $2,995 and $3,495, and have copies of three hot books up for grabs: CCVP CIPT2 Quick Reference by Anthony Sequeira, Microsoft Voice Unified Communications by Joe Schurman and Microsoft Office 2007 On Demand by Steve Johnson. Deadline for entries April 30. Network World on Twitter Get our tweets and stay plugged in to networking news. | 
From WiMAX hotspots to $2,000 cell phones, a look at what caught our attention at CTIA Wireless.
Sure, the new generation knows Facebook, Android and Twitter. But what about ISDN, SNA and X.25? Take the quiz!
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