I am glad to announce that next bootcamp of this year will be on July 2016 in Las Vegas , right after Cisco Live. Last day of Cisco Live will be the first day of my CCDE class. Extend your vacation 5 more days, inform your company by now, get approval and meet me there […]
The post CCDE July 2016 Onsite Bootcamp in Las Vegas appeared first on Cisco Network Design and Architecture | CCDE Bootcamp | orhanergun.net.
Container storage heats up pre-Dockercon.
AMD gets a lot of credit for creating Accelerated Processing Units that merge CPUs and GPUs on a single package or on a single die, but Intel also has a line of chips Core and Xeon processors that do the same thing for workstation and server workloads. The “Skylake-H” Xeon E3-1500 v5 chips that Intel recently announced with its new Iris Pro Graphics P580 GPUs pack quite a wallop. Enough in fact that for certain kinds of floating point math on hybrid workloads that system architects should probably give them consideration as they are building out clusters to do various …
Skylake Xeon E3s Serve Up Cheap Flops was written by Timothy Prickett Morgan at The Next Platform.
Forget the old one AP-per classroom design. Here's what schools should focus on in a WLAN upgrade.
A while ago I discussed whether XMPP is a control- or management-plane protocol (spoiler: it depends). How about OVSDB? Here’s another question from one of my readers:
Why is Openflow considered as control plane protocol and OVSDB management plane protocol if both are relying on SDN controller? Is it because Openflow can directly modify the dataplane?
SDN controllers can use control- or management-plane protocols to get the job done.
Read more ...masscan 0.0.0.0/0 -p3310 --banners --hello-string[3310] VkVSU0lPTg==Normally when you scan and address range (/0) and port (3310), you'd just see which ports are open/closed. That's not useful in this case, because it finds 2.7 million machines. Instead, you want to establish a full TCP connection. That's what the --banners option does, giving us only 38 thousand machines that successfully establish a connection. The remaining machines are large ranges on the Internet where firewalls are configured to respond with SYN-ACK, with the express purpose of frustrating port scanners.
Arkin's customers already use NSX.
The Infotrek podcast is back with part 2 of its small shop design episode, covering compute, storage, collaboration & security.
The post Infotrek Episode 4: Small Shop Design Part 2 appeared first on Packet Pushers.