Blessay: Successful Private Clouds Aren’t Spoken Of In Public
You don’t hear much about successful “Private Clouds” because they aren’t done in public. Two takeaways. People are talking a lot about public cloud because its good business not necessarily because its good technology [1] Private Clouds are being successfully deployed in vast numbers and no one is talking about them. This is also good […]
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Network Analytics Starting in 2016
One area of networking that is desperately waiting for new approaches is what we call visibility now but will be analytics tomorrow.
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Response: Why You Shouldn’t Be Hosting Your DNS
Michelle Chubirka from Post Modern Security spent ten years as a sysadmin with a primary focus on managing a BIND DNS for a very large university in the US. With some regret, she says: This history makes what I’m about to recommend even more shocking. Outside of service providers, I no longer believe that organizations should […]
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Response:Ingram Micro Sold. Supply Chain Integrity Question
One of the biggest distributors of IT technology is now owned by a Chinese company. Supply chain integrity anyone ?
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How Many IP Addresses does an IOT Car need ?
Its true that we are faced with billions of new devices being connected to networks but its not necessary true that every device will need a unique and publicly routable IPv6 address. Lets do a case study on an IOT-enabled car.
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The Data Centre Network of Networks
In my view, the most common architectural flaw made by network engineers is that the data centre has a single network. I believe that the correct perspective is that "network of networks".
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Its Hard to Build “Cloud” – Netflix
Over at the Netflix blog, they were proudly announcing that it took SEVEN years to fully migrate to AWS public cloud platform.
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Nerd Knobs? No, It’s Wanker Knobs
For a few years now I have used the term “nerd knobs” to describe a certain class of features implemented in networking products. This may have created the (mistaken) impression that nerd knobs are part of the IT hero culture. From now on I’m calling them “Wanker Knobs.” In most cases, wanker knobs are for […]
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Machine to Machine Networking & IOT
The future of networking, and IT Infrastructure more generally, will be driven by machine to machine interactions.
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Bug Bounties for Network Software
Its a fact that bugs and faults in networking products is not a key issue for customers. Indeed vendors rely on customer testing and deployment to find bugs before declaring their products as fully tested or generally available. I believe this created a process of moral hazard and false incentives. IETF RFC1925 2. The Fundamental Truths – […]
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Cisco Merging IOS-XE Code Trains
Reliable sources tell me that Cisco is undergoing a huge internal transformation now that Chuck Robbins is in charge. I haven’t been able to see any evidence of this transformation and have been wondering when customers would see the results. Cisco Enterprise was presenting at Network Field Day 11 and this particular presentation from Cisco Enterprise […]
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Whitebox and NOS Specialisation
Whitebox and Merchant Silicon might mean network operating systems that are designed for specific use cases.
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Talking NVMe, 3DXpoint and Networking
The IT Storage market is going through a lot of change. New silicon designs from Intel & Micron branded 3D Xpoint are impacting the short term future of the “all flash array” market. Intel has developed NVMe so that that speed of accessing this fancy new storage can be realised because the 30-year old SCSI/NFS/Fibrechannel protocols […]
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Response: Doing No Harm
Ivan posted here: I’ll take ownership of the statement because at least it sounds like something I have discussed on the podcast and, sadly, because there aren’t that many networking podcasts. The comment is in relation to the purpose of a stateful firewall when compared to a stateless firewall aka access lists. I do think that […]
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Response: Anomaly Detection For Monitoring
We manage a distributed system of autonomous elements where the operation, performance and stability is determined by external factors that are out of our operational control.
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Defining Software Defined Networking
Can you define what is a Software Defined Network ? Here is my take.
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Less Suppliers = Less Competition
I was reviewing ESG Dell-EMC Customer Sentiment Analysis report which surveyed 202 IT decision makers about their views on the merger. Here is the headline result: Whatever my or anyone’s opinion of the merger, one thing that no one seems to be discussing in the reduction in competition this brings to the market. Less suppliers […]
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Network Field Day 11 and Meetups in the Valley
It is my privilege to return as a delegate for Network Field Day 11 in Silicon Valley on January 20-22. You can find full details on the event at Tech Field Day page which lists the vendors and delegates in full. Lots of familiar faces and a few new ones.
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Mac OS X : Collection of CLI tips
This website is a fantastic resource for Mac OS X Users. Hundreds of A curated list of shell commands and tools specific to OS X. “You don’t have to know everything. You simply need to know where to find it when necessary.” (John Brunner) https://github.com/herrbischoff/awesome-osx-command-line
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OS X: Using Soulver for Fast Design
Working as an IT Architect often requries fast evaluation of the projects costs to make a rapid judgement on whether the costs exceed the benefit. Most of the time I use a spreadsheet to quickly lay out costs and decide whether it passes the sniff test for ROI. More recently I started using Soulver. Here […]
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