Category : Geeking Out

Geeking Out
0

STT Review

Network virtualization uses an encapsulation technology for the overlay network. Common encapsulation technologies include GRE, VXLAN, STT, and a promising new technology called Geneve.

Today, we will focus on Stateless Transport Tunnel (STT) and some of the benefits over GRE and VXLAN….

Read More
Geeking Out
0

Intel® DPDK Review

With the growth of network virtualization, it’s time to take a look back at Intel Data Plane Development Kit (DPDK). DPDK provides optimized Packet Processing on Intel® Architectures.

The following homepage and document from Intel® details DPDK capabilities…

http://www.intel.com/go/dpdk

http://www.intel.com/content/dam/www/public/us/en/documents/presentation/dpdk-packet-processing-ia-overview-presentation.pdf

Read More
Geeking Out
0

VMware Extensible Debugging Tool for EPSec and NetX

VMware has a number of Engineering Tools available called “Flings” built by VMware engineers that are intended to be played with and explored as technical previews or simple diagnostic tools…

https://labs.vmware.com/flings?cat=1

The following tool is a debugger for EPSec and NetX implementations…

https://labs.vmware.com/flings/extensible-debugging-tool-for-epsec-and-netx

Enjoy!

Read More
ESXi, Geeking Out, RDM
0

ESXI + RDM’s + MSCS (VPLEX) Gotcha

Not networking, but a little gotcha that caught me out today with very slow boot times for ESXi V5.5 associated with RDM’s and MSCS configured LUN’s mounted via VPLEX. Details in the following KB article associated with a volume flag called “perennially-reserved”… http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1016106

Read More
Geeking Out
0

Throughput Testing – VM’s between Hypervisors with SR-IOV

Throughput testing over 10 GbE has been an interesting exercise and Virtual Machines using the VMXNET3 adapter achieve impressive throughput while maintaining complete mobility around a VMware Cluster (vMotion/HA/DRS).

The following series of tests validate throughput when using VM’s configured to use SR-IOV…

Read More
1 2