Network Observations
Monitoring the trends in network and application performance
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Problems with Internet Access (Windows Update and ZoneAlarm)
So when I arrived this morning and booted up my XP system after running a couple updates the night before, I found my Internet access at work was down. Im one of the few people who consider multiple firewalls on a system a good thing. So if I have problems with the Internet access, I can usually gue …
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Imaging Terabit Networks
Think 10 Gb sounds fast? Imagine networks with the capacity to deliver terabits of data? It may not be as far off as you think. When I read this article, I almost fell out of my seat with the potentially staggering increase of network capacity and by the simplicity of the discovery. According to an …
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Understanding Network Latency and Jitter
When a user complains about application slowdowns its usually done with the all-to-familiar exclamation, The network is slow. As Kevin Davis from the NetQoS blog Network Performance Daily explains, these complaints are almost always related to the quality of the user experience. He explains further …
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Network Management Links 2008-07-07
AVG Fixes Antivirus Software - According to PCWorld, AVG released the patch to prevent LinkScanner from burdening websites with fake traffic. The article provides a comprehensive and balanced view of the issue that we discussed here last week. Its something youll want to be aware of as you look at w …
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AVG Responds to Fake Traffic Spikes
I wanted to post this as I was cruising around the net and came upon an AVG response to a post on Slashdot regarding a 6% rise in their traffic that they attributed to AVGs malware scanner. The Open Web Analytics blog posted a response they received today from AVG: We’d like to thank our web communi …
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Unexplained Spikes in Web Traffic
If youve seen a uptick in visitors to your site over the past month, it may not be real eyes viewing your site but rather a bandwidth hog in the form of an AVG malware scanner. Slashdot had an interesting note today regarding a 6% rise in their traffic that they attributed to the antivirus vendor AV …
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Compatibility Questions with 10 Gigabit Ethernet
Given our many discussions of 10 Gigabit Ethernet, I thought it would be great to highlight an article that appeared recently in SearchNetworking explaining virtually every facet of 10 Gig. One aspect that Steve Bigelow covers in the article that we had not covered was issues of compatibility betwee …
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Network Management Links 2008-06-30
How to configure wireless access points - Have a networking question? Chances are SearchNetworking is going to have it, whether its troubleshooting common router issues or output options for Snort data. Today, theres a comprehensive piece on configuring wiresless access points to ensure optimal sign …
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Savings on Wireless Antennas
WIRELESS
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Research @ The Evil Empire
SecurityDude, CISSP-ISSAP is an IT consultant, Security & Privacy Advocate and blogger at large with over 20 years IT experience. SecurityDude shares tips, tricks, and info that the average networking professional will find interesting and indispensable. When I was a little boy, I started taking …
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Most Companies Fail to Use NetFlow
A few months ago we asked 600 IT professionals and executives about network monitoring and troubleshooting practices. One area we covered was using NetFlow to monitor and troubleshoot network and application performance. Earlier this week, I explored NetFlow use and trends more in-depth. Overall we …
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Managing Unified Communications
Conversations between the CIO and CFO can sometimes be like two ships passing in the night. Network professionals speak in bits and bytes, while the CFO only understands dollars and cents. Talking about any IT project with the CFO can be hard, but this difficulty increases when discussing the loose …
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The WiMAX Roller Coaster
So yesterday I blogged briefly about the benefits of WiMAX in easily reaching many end-users from a single deployment. So with all of this promise, you might be wondering, Well, where is WiMAX today? WiMAX on the Rise The article from NEC Unified Solutions, WiMAX and the Last Mile, outlines the brie …
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Why WiMAX
You may remember back in mid-2007, Sprint Nextel made an announcement to invest $5 billion into building their WiMAX network to offer high-speed wireless Internet access. I thought I would take a quick look today at why wireless providers are looking at WiMAX. Tomorrow, I will track the current and …
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Cisco, Microsoft Unified Communications
I have been doing a lot of reading on unified communication (UC) offerings, but am by no means an expert. I am looking for resources or contacts to blog about unified communication solutions from Cisco, Microsoft, Nortel, IBM, Avaya, NEC, Alcatel/Lucent, Siemens, Mitel, or other major UC vendors. If …
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Considerations for 10 Gb Deployments
Last week I wrote about some of the obstacles people might encounter when deploying and managing 10 Gb networks. Using LinkedIn, I also asked others connected to my network about what they saw as security and monitoring factors that may be impacted by deploying 10 Gb. One data security specialist re …
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Faster Firefox Browsing
SecurityDude, CISSP-ISSAP is an IT consultant, Security & Privacy Advocate and blogger at large with over 20 years IT experience. SecurityDude shares tips, tricks, and info that the average networking professional will find interesting and indispensable. In the last couple months, I have been st …
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Network Management Links 2008-06-11
Thought Limited By Bandwidth Performance - After listening to Nick Carr discuss on several media outlets the effect of online reading and information absorption on the way we think and concentrate, the post from Network Performance Dailys Brian Boyko offers a nice counterpoint. Is Google Making Us S …
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Network Instruments Visio Stencils
A quick tip to all of you Visio users looking for Network Instruments Visio stencils. You can find Visio stencils of products, probes, or logos here. Stencils for GigaStor appliances, Observer consoles, and various probes are available as well as nTAPs, ORS, NIMS, and Link Analyst. Download the ste …
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Hidden Obstacles to Successful 10 Gb Deployments
As I wrote about earlier, were in the beginning stages of a definite move towards 10 Gb with nearly one-quarter of organizations deploying by the end of 2008. Although 10 Gb is gaining in popularity, this migration can be fraught with hidden obstacles for the unprepared IT staff. In this post, I tho …
Network Observations
