High Speed Firewalling and IPS in the DataCenter
There is a security problem in the current datacenter. We all know this problem exists, but it seems insurmountable. I am talking about how do you secure an environment where my uplinks are 10Gbps+...
View ArticleWAN QoS Architecture
As promised, this week I will go over QOS in the WAN. I will cover WANs that have carrier QOS and those where the carrier does not have it. I am not going to rehash the QOS career certification guide...
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WAN Edge Architecture
It has always interested me how things come in waves, I haven’t talked to people about their internal and partner multisite WAN designs in a while, and these past two weeks, it has been the top of...
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Internet Edge Architecture
I have written before about some Internet designs, specifically SIP architectures when it comes to the Internet Edge. I recommended that these services stay on the perimeter, next to the firewall, and...
View ArticleInternet SIP Architecture
As addressed in a previous article, internet based SIP is not my favorite of designs. But preach as I may, some people just choose to do it anyway due to the promise of cheap phone service over a...
View ArticleIPv6 – Not the Solution We Need
IPv6 has been hailed as the second coming, the fix to all things IP, unlimited growth potential, security built in, and if you ask the right person – can even take care of all of your high...
View ArticleInternal Security – Still Not a Priority.
Cisco has long been in the security field – but recently has not been doing a great job of it. Regardless of their more recent missteps and their obvious new attention to making it right, there are...
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Cisco ISE Distributed or Centralized Design
To distribute or not to distribute, that is the question… I recently had a large healthcare customer come to me with a design for an ISE deployment in which they had a Policy Services Node at every...
View ArticleSecurity in the SDN Data Center
Last week I discussed security in “today’s” datacenter. This exemplified all of the required pieces to secure applications using the infrastructure that we have all come to know (notice how I don’t...
View ArticleSecurity in TODAY’s Data Center
I know that at the end of last week’s blog I posted that I would go over security in the SDN datacenter this week. I thought about it some more, and before I do that, I wanted to write about security...
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