Google is set to make QUIC the default protocol for web browsing to improve performance by using HTTP over UDP.
A homoglyph is a text characters with shapes that identical or similar to each other. Common examples are zero/O and one/l . More complex Homoglyphs are derived from […]
This article provide a practical and workable definition of “What Is a Network Service ?”
I was reviewing the non-ACI Nexus 9000 products this week and started thinking that the Nexus 9000 will become Cisco’s response to whitebox disruption.
I attended the AWS Summit in London yesterday. Here are some observations in no particular order. Come for the IaaS, Stay for the PaaS. AWS […]
The hardware makes the software possible but disappears quickly from view.
The most significant underlying technology trend in networking is that startups have taken analytics and big data software and applied it to network devices. Three emerging product categories are Security Threat Systems, Software Defined WAN and Network Analytics & Control.
I found a capture file from 2002. I must have been troubleshooting name resolution of NetBIOS over IPX for print servers because I am only capturing broadcasts on the Ethernet segment. And Wireshark can still open a data format from 15 years ago and render the data. I surely do not miss these days. […]
HP Networking will acquire Aruba and now it is selling 51% stake in H3C to a Chinese venture capital firm. What could this mean for HP Networking customers ? The sale of a controlling interest in H3C means that HP Networking has government support (blessing?) to sell products in China. The Chinese government has been […]
The convergence trend on HTTPS protocol continues to gather momentum. This time it is the venerable WHOIS protocol that is poised to be replaced with RDAP over HTTP.
How much of an Ethernet switch product is custom made by the vendor and how much is commodity components selected and assembled into a closed vendor solution ?
I drew up this diagram to explain how I see four different categories of Ethernet switches emerging in to the market.
Providing a web application on the Internet can be a risky business. DDOS attacks are commonly exceeding 40 Gigabits per second of data, crackers are web crawling the Internet looking for vulnerabilities and much more. As a result, the data centre Internet connection is scaled for a worst case scenario and not for customer need. […]
Customers who pay for WiFi expect it to work. Marriott wanted to make that guarantee. But wireless spectrum is shared, uncontrolled, unregulated and unpredictable. You can’t give a viable guarantee. Then you add lawyers ……
Blessay (Deep Content)
Today you design resilient, redundant networks with what you have. Tomorrow, we need networks that use using software and freedom to be predictable and safe. For the last 20 years, network design has been focussed on working around limitations of the protocols anddevices that are available. … [Read More...]
There was a time when Enterprise IT defined the future of computing. Laptops were designed for corporate consumption first and the best software was sold to enterprise for business use. The other markets for computers was "home users" who were offered cheap, low quality and low performance versions … [Read More...]
LEDE: One of the hardest parts of DevOps movement is explaining the unique value to IT Leadership in conventional organisations that rely on ITIL principles. I'm having success by framing the debate in terms of over-capitalised on assets and under-invested in human infrastructure. Three … [Read More...]
This article continues the discussion from Human Infrastructure Poverty in the Enterprise - Part 1 Replacing CapEx with Open Source Enterprises have been reluctant to embrace open source and often state that training, expertise and support for open source are a major risk factor. Yet there are … [Read More...]
Is Enterprise IT starving its operational process by reducing headcount and overcapitalising on assets ? If so, what arguments can we make for or against this idea ? CapEx Rich but Living in OpEx Poverty Is it a misconception that heavy capital purchases can reduce operational costs ? The last 20 … [Read More...]
The Network Break is a new Packet Pushers podcast where we discuss "state of the business" in networking and enterprise infrastructure. Andrew Conry-Murray and I discuss vendors moves and news, product and ploys, analysis on product and positioning, and look at the business of networking in a short … [Read More...]
Big Switch Networks (BSN) launches Version 4.0 of Big Cloud Fabric for hardware-centric SDN data centre fabric. The Data Centre Fabric solution clearly shows the maturity gained from 5 years of shipping products while adding innovation in switch hardware through Switch Light operating system. At the … [Read More...]
When planning network architecture for the next few years, I believe that it is important to comprehend that the network is just a one part of an overall system. The ITIL foolishness that drive most IT infrastructure processes prevents clear systemic thinking and I'm often having to explain how the … [Read More...]
The future of private infrastructure ownership is moving to a new model combines the old with the new that I describe as “dolls and babies” where the major transformation in infrastructure ownership is the transition from having babies to owning dolls. Infrastructure as Babies Enterprises buy … [Read More...]