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- Affiliation:
- NIL Data Communications
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Events
1 past eventSee All
- Pilot online session: Routing ...
Internet (WebEx)
Wednesday, December 3 at 5:00pm
Most of the respondents to my last week’s challenge got it almost right. The minor (common) error was the assumption that police rate percent 50 would result in a TCP session getting 50% of the bandwidth. ...
ITU (the organization formerly known as CCITT) is having a bit of a relevance problem these days: its flagship technological achievements, including X.25, ISDN, ATM and SDH are dead or headed toward oblivion … and a former pariah, a group of geeks, is stealing the show and rolling out the I...
Last week I’ve published two posts that deserve a follow-up/summary. Don’t worry, it’s coming. I’ve...
I have to admit I was somewhat surprised by the lab test results I’ve published in my previous CB-WFQ post. It looks like we’ve been fed misleading information about (classic) CB-WFQ behavior for years. Do...
Decades ago when I was still in high school and working on a programming project during the summer break, an IT old-timer gave me the following bit of advice: “Remember, God created professions so that everyone could do the job he’s qualified to do”. It t...
Ivan Pepelnjak Fast flux DNS zones: disgusting from the user's perspective, interesting from the technology standpoint.
Reading various documents describing Class-Based Weighted-Fair-Queueing (CB-WFQ) one gets the impression that the following configuration … class-map match-all High match access-group name High!policy-map WAN class High bandwidth percent 50!interface Serial0/1/0 bandwidth 256 service-policy o...
Ivan Pepelnjak Just stumbled across this blog post. It's amazing how some people are trying to sell you common sense (not even repackaged or enhanced ;).
Source: blog.questionmark.com
Posted by Julie Chazyn Last week I wrote about tipsforprotecting intellectual property. It's equally important keep people from
Last week I’ve delivered another very successful IPv6 Deployment in Enterprise Networks presentation. It’s amazing how far into the interesting details we usually get even though the presentation is purposefully a high-level one. Th...
If you want to understand the real impact of the recent Data Center hype without getting pulled into the technology morass the vendors so copiously spread in their white papers, read the Foundation of Green IT book published by Prentice Hall...
Csaba asked me about the availability of our IPv6 remote labs on Partner Education Connection. He wrote:I was happy when I found this information, but after a while I realized that IPv6 labs are no more available on PEC site...
The QoS behavior in Cisco IOS has changed significantly with the introduction of the Hierarchical QoS Framework (HQF) in IOS release 12.4(20)T...
During the IPv6 summit in Slovenia I’ve participated in a roundtable organized by our Ministry of Higher Education, Science and Technology. ...
I’d like to thank all the readers that took time and responded to my question about the failure of my Deploying Zone-Based Firewalls book. The sad short conclusion is: while everyone would love to have an electronic copy of the book, the technology and the mindsets are simply not ready yet. ...
Approximately a month ago Alcatel-Lucent launched Converged Backbone Transformation (are they sharing marketing wizards with Cisco … or is the excessive hype an industry-wide phenomenon?): a visionary(?) convergence of IP and optical technologies. ...
