1. Opinions are like... In the past 5 years I've participated in three proper evaluations of WAN acceleration products. … [Read more...]
About Cloud Toad
Derick Winkworth is the Chief Network Architect at one of the world's largest financial service providers. Lately his focus has been on end-to-end Data Center virtualization, orchestration/automation, and cloudy stuff. Pepper some security in there too.
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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.
The Sad State of Data Center Networking
11 April 2012 By 12 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 3 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 28 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 Leave a 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...]
Providing DNS/DHCP in a Multi-Tenant Environment
3 October 2011 By Leave a Comment
In this basic design, we have a multi-tenant/multi-security-zone environment that we wish to provide DNS/DHCP services to. … [Read more...]
Extending Private Networks Into Your DataCenter
15 September 2011 By 2 Comments
So you have customers out in the world that have private networks. Most of them have some kind of private VPN service from … [Read more...]
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