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VMware NSX SD-WAN: WAN virtualization and optimization

3 November 2018
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Reading Time: 4 minutesNow that Network Virtualization and Software Defined Network are becoming mainstream, there is a new trend in networking: Software-Defined WAN (SD-WAN). What is SD-WAN? SD-WAN is best defined as traffic monitoring and management from physical devices to the application itself, capitalizing on flexibility and agility. This intelligent routing is abstracted into a virtual overlay, enabling a secured pooling of both private and public connections allowing for automation, centralized network control and real-time management across multiple links. 

VMware, vNetworking

StarWind rPerf a free RDMA benchmarking tool

22 October 2018
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Reading Time: 2 minutesRemote Direct Memory Access (RDMA) is an interesting way to improve network connections and bandwith by providing a direct memory access from the memory of one system  into that of another. Compared to the full TCP/IP stack, RDMA can be managed without involving either one’s operating system (OS) and this means saving host resources and speed-up the communication. RDMA permits high-throughput and low-latencynetworking, but more important is becoming a common feature on some network card, and also supported by different OSes and hypervisors.

vNetworking, vProducts

NSX-T Data Center 2.3.0

20 September 2018
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Reading Time: 4 minutesVMware NSX-T Data Center is the next generation product that provides a scalable network virtualization and micro-segmentation platform for multi-hypervisor environments, container deployments, and native workloads. It has not yet become features parity with NSX-v, but the gap is closing faster and there are also several new features and capabilities available ONLY on NSX-T. And the product is growing faster: on June was release the NSX-T Data Center 2.2.0 and now there is the new NSX-T Data Center 2.3.0 release (see the release notes).

VMware, vNetworking, vSecurity ,

Issues with VMware Tools Version 10.3.0 and vmxnet NIC

8 September 2018
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Reading Time: 3 minutesThree years ago, VMware has decided to make VMware Tools an independent package, with a separate lifecycle and available in the MyVMware download page as a separated package. Separated and independent from VMware Fusion, Workstation and ESXi virtualization solutions! Seems good, but on vSphere environment, this can make some confusion considering that you have the VMware Tools bundled with ESXi and the standalone VMware Tools usually with a bigger version and independent also by the version of vSphere!

VMware, vNetworking

NSX Data Center for vSphere v6.4.2

21 August 2018
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Reading Time: 3 minutesVMware NSX Data Center for vSphere is the new name of NSX-v and NSX-t for the on-prem case, and version 6 is actually referring to the specific edition for VMware vSphere that use the vCenter Server UI has the main UI also for all the NSX part. There are other NSX products, but VMware has just announced a new minor version for the vSphere related product: NSX Data Center for vSphere v6.4.2 it’s out. The release notes describe all the new features and improvement of this release:

VMware, vNetworking ,

Arrcus: a new player in the (software defined) network area

16 July 2018
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Reading Time: 3 minutesArrcus emerges from stealth and has launched and released its first product: ArcOS, an independent, open, Linux-based, hardware agnostic network operating system. ArcOS is a high-quality alternative to vertically integrated OEMs, to meet and exceed the modern smart network infrastructure requirements. ArcOS is a fully programmable, microservices-based network operating system built from first principles. Based on Debian Linux, it is an open system that can be easily integrated with other Linux distributions as well.

vNetworking

Runecast for NSX environments

18 June 2018
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Reading Time: 3 minutesRunecast is a powerful tool to monitoring and check a vSphere environment and recently also for a VSAN environment. But it’s not over, actually there is a beta for the new version (Runecast version: 1.7.6 probably) that can analyze also NSX-V environments and this could be quite cool, considering the potentially complexity of a NSX infrastructure. I’ve tested the beta on a small lab, just to see how does it work.

vNetworking
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