Cicso UCS Question of the Week

The Cisco UCS M81KR Virtual Interface Card (VIC) is a virtualization-optimized Fibre Channel over Ethernet (FCoE) mezzanine card designed for use with Cisco UCS B-Series Blade Servers. How many Peripheral Component Interconnect Express (PCIe) standards-compliant virtual interfaces that can be dynamically configured using this Card?

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Rapid Spanning Tree

The STP (Spanning Tree Protocol) standard (IEEE 802.1d) was designed when the recovery after an outage could wait a minute or so and be acceptable performance. With Layer 3 switching in LANs, switching began to compete with routers running protocols because they are able to offer faster alternate paths.

Rapid Spanning Tree Protocol (RSTP or IEEE 802.1w) brought the ability to take the twenty seconds of waiting for the Max Age counter plus fifteen seconds of Listening plus fifteen seconds of Learning or fifty seconds down to less than one second for point-to-point connected and edge switches and six seconds for root switches.

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Gain Advanced Security Knowledge with the CASP Certification

Hardly a week goes by that you don’t read a news story about a security breach or hacking attempt. More and more companies place an emphasis on securing their digital assets. CompTIA has developed a certification to meet this need, the CompTIA Advanced Security Professional (CASP). What’s great about this certification is that it’s targeted toward security professionals with five to ten years of security experience.

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Service Portfolio Real World Example – Cloud Services Provider

In a recent post, I gave an overall description of a service portfolio and the key components of a portfolio. Here, I will describe how a cloud services provider might implement an ITIL service portfolio. A cloud services provider will regularly have a set of services under development, a set of service in live operation, and a set of services that are retired.

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