Greg Ferro

Author Archives: Greg Ferro

Basics: Is there always a feasible successor in EIGRP ?

Question : Is there always a feasible successor in EIGRP ? Background: An operational route is passive. If the path is lost, the router examines the topology table to find an FS. If there is an FS, it is placed in the routing table; otherwise, the router queries its neighbors, sending the route into active mode. Answer: There has to […]

The post Basics: Is there always a feasible successor in EIGRP ? appeared first on EtherealMind.

Tools: Conn-check

conn-check – A deployment utility to check connectivity between services conn-check is a small utility, written in Python using the Twisted network library, that verifies outgoing connections from your application servers to services it depends on, e.g. databases, caches, web service APIs, etc.conn-check is used not only to verify network dependency changes at deploy time, […]

The post Tools: Conn-check appeared first on EtherealMind.

Response: Why On-Premises Software Will Die Sooner

This is the most compelling article I’ve ever read about why on-premises applications/software are  less competitive. I am reasonably certain that private cloud infrastructure can be as efficient as public cloud and cheaper over some period. What I’m coming to understand is that many of types of cloud-based applications may be much more efficent than […]

The post Response: Why On-Premises Software Will Die Sooner appeared first on EtherealMind.

Musing: Cisco ACI Bosses Quit, Will it Survive ?

This article at Recode : In what appears to be a messy shakeup with hints of an internal power struggle nearing an end, Mario Mazzola, Prem Jain, Luca Cafiero and Soni Jiandani are leaving the company. This management team has been responsible for developing a range of Cisco products Nexus 5000, parts of Cisco UCS & […]

The post Musing: Cisco ACI Bosses Quit, Will it Survive ? appeared first on EtherealMind.

Response: Videoconferencing Numbers

IDC published a promo piece about their research into videoconferencing market. From a market segment perspective: Multi-codec telepresence equipment revenue ($23.9 million) was down 44.4% quarter over quarter, but increased 27.4% year over year in 1Q16. Unit shipments were down 47.1% quarter over quarter, but increased 48.8% year over year. Room-based videoconferencing system revenue ($359.6 […]

The post Response: Videoconferencing Numbers appeared first on EtherealMind.

DELL OS10 – FIB Optimisation

Dell OS10 is an open network operating system ounces its open network operating system(NOS) called OS10. Here are my thoughts and reactions. Operating System OS10 is a open source linux for networking devices. The base operating system has limited features in the same way that Windows or Linux on x86 has limited features. You can purchase […]

The post DELL OS10 – FIB Optimisation appeared first on EtherealMind.

Response: Fibre Optic Multi-Core per Core Is Exciting

This article has opened my eyes to a future where a single fibre cable can have multiple cores. The future of Ethernet is yet to be determined as the IEEE community fights over whose technology patents will be used so that revenue from FRAND licensing can justify their own positions. So while we wait for […]

The post Response: Fibre Optic Multi-Core per Core Is Exciting appeared first on EtherealMind.

Cisco Nexus 6000 is EOL

Cisco has killed the Nexus 6000 product line and you have 12 months to get your last orders in. This is long overdue. I’ve never understood why Cisco has so many different different Ethernet switch products that are effectively identical. The impact of merchant silicon and the success of the Nexus 9000 product overshadowed this […]

The post Cisco Nexus 6000 is EOL appeared first on EtherealMind.

H3C/Tsinghua Completes

A new IT behemoth has bellied its way up onto the beach. IDC has issued a press release: One year after the announcement of the subsidiary of Tsinghua Holdings, Unisplendour Corporation Limited’s plans to acquire 51% share of H3C Technologies and Hewlett Packard Enterprise’s China-based server, storage and technology services business, the company finally completed […]

The post H3C/Tsinghua Completes appeared first on EtherealMind.

1 … 52 53 54 55 56 … 75