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...]
About Cloud Toad
Derick Winkworth is a Network Analyst Specialist at one of the world's largest financial service providers. Lately his focus has been on virtual network topologies, enabling the extension of customer private networks from the Data Center WAN edge all the way down to individual hosts and VMs.
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He is an advocate for the VPN-Oriented Data Center Services model.
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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.
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 1 Comment
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...]
Internet-as-a-Service in an MPLS Cloud
4 September 2011 By 4 Comments
In this post we will look at an "Internet-as-a-Service" type solution in an MPLS infrastructure. This is an all Juniper … [Read more...]
OpenFlow and “Virtual-Networking”
2 September 2011 By 5 Comments
[This is an old article... You might be looking for my (slightly) more informed and updated opinion of OpenFlow here.... and … [Read more...]
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