IT vendors live or die based on their ability to manage complexity on behalf of their users. This is true of all vendors: … [Read more...]
About Cloud Toad
CloudToad is adrift on the great sea of network serenity.
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CCIE #15672 (RS, SP)
JNCIE-M #721
Twitter: @cloudtoad
LinkedIn: http://www.linkedin.com/in/derickwinkworth
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Derick's opinions are his own and do not reflect those of the company he works for.
Root Cause Analysis, or Path Scrub?
5 June 2012 by Leave a Comment
In the Service-Provider world, there is the concept of a "circuit design review" or "path scrub" or "Class A." Typically … [Read more...]
Infineta and Parallelization, Part 1
2 May 2012 by 1 Comment
1. Opinions are like... In the past 5 years I've participated in three proper evaluations of WAN acceleration products. … [Read more...]
The Sad State of Data Center Networking
11 April 2012 by 13 Comments
Something about next-generation Data Center networking has been bothering me lately. For a while now, there has been this … [Read more...]
Virtualizing Network Services, Part 1: the Beginning
21 March 2012 by 8 Comments
The Purpose of the "Network" In this series of articles I intend to walk through a series of diagrams with a … [Read more...]
Pill-Chomping Hackers and Security Whack-a-Mole
19 March 2012 by 5 Comments
Tonight on twitter I saw an argument about how social-security numbers and credit card numbers are benign pieces of … [Read more...]
Network, Interrupted
27 February 2012 by 34 Comments
Dear Cisco and Juniper: Its been a good run, Cisco. Thank you for the CCIE. Thank you Juniper for the JNCIE. I … [Read more...]
Being Good at IT Stuff
30 December 2011 by 14 Comments
I've been meaning to write a brief entry about careers in IT. After reading Ethan's CCIE vs Experience and First Job … [Read more...]
DLSw+ Performance
19 December 2011 by 6 Comments
Just days before 2012 arrives and heralds in the Mayan apocalypse, I thought I'd do something ridiculous. Like shoot … [Read more...]
SQL*Net (a.k.a Oracle TNS) and Firewalls…
8 December 2011 by 2 Comments
Most vendor’s firewalls have a SQL ALG that handles SQL*Net traffic. They listen on TCP port 1521. SQL*Net is based on … [Read more...]
More Open Flow Symposium Notes…
29 October 2011 by 2 Comments
1. OpenFlow and standards. "Laws, decrees, edicts, ordinances, writs will shower down upon the poor people like … [Read more...]
Secure Multi-Tenant VMWare, vGW, and VLAN Normalization
21 October 2011 by 1 Comment
Yesterday I did some lab work with an SE from Juniper with their hypervisor-based FW solution, vGW. As a virtual-networking … [Read more...]
“Virtual-Networking” Is as Meaningless a Term as “Cloud” Now.
14 October 2011 by Leave a Comment
With so much virtual-networking stuff going on these days, its worth taking a step back and trying to understand what the … [Read more...]
More OpenFlow Thoughts… Then I’m Done, I Promise.
11 October 2011 by 2 Comments
Lets get straight into it. Below is a diagram depicting a hypothetical (and entirely realistic) OpenFlow network. I … [Read more...]
Big Switch Network, OpenFlow, and Virtual-Networking
7 October 2011 by 3 Comments
There's been a lot of movement happening lately under the "Virtual Networking" moniker. I sat down this morning and thought … [Read more...]
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