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Technology Short Take 176

Scott Lowe

Networking Lee Briggs (formerly of Pulumi, now with Tailscale) shows how to use the Tailscale Operator to create “free” Kubernetes load balancers (“free” as in no additional charge above and beyond what it would normally cost to operate a Kubernetes cluster). Thanks for reading! This is a handy trick.

Linux 107
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Fountainhead: HPQ & CSCO: Analysis of New Blade Environments

Fountainhead

” From a network performance perspective, Matrix includes 2x10Gb ‘fabric’ connections, 16x8Gb SAN uplinks, and 16x10Gb Ethernet uplinks. As you would expect, the system has pretty fast networking; Cisco’s system includes 2x10Gb fabric interconnects, 8x4Gb SAN uplink ports, and 8x10Gb Ethernet uplink ports.

Analysis 147
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Fountainhead: CA's Acquisition of Cassatt - Hindsight & Foresight

Fountainhead

The instantiation of these observations was a product that put almost all of the datacenter on "autopilot" -- Servers, VMs, switches, load-balancers, even server power controllers and power strips. Does it sound like Amazons recent CloudWatch, Auto-Scaling and Elastic Load Balancing announcement? Cloud Computing Journal.

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CIOs Need To Realize That Virtualization Isn't All That It's Cracked Up To Be (a chief information officer needs an IT strategy to create IT alignment)

The Accidental Successful CIO

To read the IT trade journals or speak with CIOs you’d think that we’ve all found the magic silver bullet that IT’s been looking for during the past few years: server virtualization. Kotsovinos points out that a VM is really a collection of interconnected physical subsystems : server, storage, and network.

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Fountainhead: Converged Infrastructure Part 2.

Fountainhead

And I mean I/O components like NICs and HBAs, not to mention switches, load balancers and cables. In the same way that the software domain has been virtualized by the hypervisor, the infrastructure world can be virtualized with I/O virtualization and converged networking. Cloud Computing Journal. See diagram below.