TFTP vs. FTP: Comparison Testing with a Linktropy Mini2, Wireshark and a Cisco Router

See the Linktropy Mini2 in action, in this video from Network Computing magazine, testing the difference between FTP and TFTP. Using the Mini2, the comparison was completed in a matter of minutes and showed that with 1% packet loss on Continue reading TFTP vs. FTP: Comparison Testing with a Linktropy Mini2, Wireshark and a Cisco Router

How to Find Application Performance Problems

The main reason to use a WAN emulator is to test application performance.  But finding the problems are only the first half of the battle – the other half is fixing them.  The folks at Love My Tool (www.lovemytool.com), with Continue reading How to Find Application Performance Problems

Apposite’s Gluten-Free WAN Emulators

Today’s Wall Street Journal described how due to the popularity of gluten-free foods, food producers are stamping many of their products “gluten-free” even if like milk and yogurt, they never contained any of the grains that include gluten. (http://online.wsj.com/articles/how-we-eat-the-gluten-free-craze-is-it-healt hy-1403491041?KEYWORDS=gluten). Continue reading Apposite’s Gluten-Free WAN Emulators

Testing Citrix Performance over the WAN: A Joint Apposite/Goliath Webinar

Citrix XenApp / XenDesktop, and VDI in general, are among the most important applications running over a company’s WAN. And like other applications running over the WAN, the performance of XenApp and XenDesktop can be greatly impacted by insufficient bandwidth, Continue reading Testing Citrix Performance over the WAN: A Joint Apposite/Goliath Webinar

New Netropy 10G1 Model

At the beginning of this month, Apposite released a new model of WAN emulator, the Netropy 10G1. The 10G1 simulates one 10 Gbps link through one pair of 10 gig ports (or up to 15 lower speed links) in a Continue reading New Netropy 10G1 Model

The Easy Choice

If you haven’t come across Cleversafe already, their dispersed object storage technology runs the world’s largest data repositories. Their systems provide redundancy by simultaneously storing objects on multiple storage nodes across physically dispersed locations. Obviously, WAN conditions such as bandwidth Continue reading The Easy Choice

Emulating Background Traffic with PCAP Replay

Perhaps the most important new feature added in Netropy v2.0, and certainly the most interesting, is the ability to replay PCAP files as background traffic. This feature makes it easy to see how other traffic on the network affects the Continue reading Emulating Background Traffic with PCAP Replay

Is My Internet Provider Lying?

In an attempt to find out if the local telecoms provider (Verizon) will ever start carrying the local sports teams (Lakers, USC, UCLA) on TV, I stumbled upon on a Verizon discussion site. There was surprisingly little dialogue about why Continue reading Is My Internet Provider Lying?