As I approach the end of the calendar year & prepare for a holiday break, I’ve been reflecting on what I’ve learned and done this year. Of course, this also leads to what I need to learn next year.I’m making a number of changes to my career next year and as part of my planning process I wrote a list of eight things I think I’ve learned in the last 20 years.
Github project that checks a DNS entry against over 1500 DNS servers worldwide. For those times when changing the IP address of the mail server or website and you want to see how the DNS propagation in progressing. Very useful if you haven’t been able to reduce the DNS TTL time prior to the change […]
This is a useful looking utility on making the network on a windows system perform badly so that developers can test their applications over poor network connection. I think I can use this to make application performance the developer’s problem (instead of mine after the app is deployed). Leveraging the awesome WinDivert library, clumsy stops […]
The report shows strong evidence that very specific prefixes were hijacked and diverted to countries where legal jurisdiction could be reasonably assumed to be weak. Renesys does not say which prefixes were hijacked but consider hijacking a corporate PI space and capturing a copy of all the email to & from a large company (email […]
Many people are noticing that part of the Cisco ACI announcement includes mention of 40GbE BiDi optics where a 40GbE SFP needs only two MMF fibre cores for 40GbE connectivity. It’s worth noting that all vendors will also ship BiDi optics in the near future. For example, Arista is promoting a single mode 40G BiDi […]
Where do you want Ethernet ? Everywhere apparently.
I’m at a conference about “Cloud Ethernet Forum” and subsidiary operation of the Metro Ethernet Forum that seems to want to invent a new Ethernet. The fundamental premise of the is that customers need/want/demand/must have more Ethernet in the WAN.
Why ? Because Ethernet is better for data centre managers.
It’s becoming clear that 2014 is going to see a significant push and adoption on Private Cloud supported by marketing and technology from incumbent vendors who are starting to lose substantial revenue. Public cloud companies don’t spend with Cisco, IBM, HP or other recognised manufacturers and it’s time for them to defend their turf and stop the revenue bleeding away.
I use the term “Finger Banging the Network” to describe the process of configuring network devices at the CLI. Note that “Finger Banging” is a polite conversational version of the original term “Button F**king”
VMware and Palo Alto are getting closer with a press release today that outlines how PAN will be able to transparently inject firewall services into software defined data centres.