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 same time, they have completed the transition from platform to product. A product that really has what you need in a hardware-centric SDN platform and addresses nearly all of the issues the competitors have not addressed. And it is shipping now.
There are many algorithms that can be used to for flow-based hashing to provide the best load balancing method over multiple IP or Ethernet connections but I recently learned that Cuckoo Hashing the preferred method.
Here is a block diagram showing the functional areas in private & public cloud that I use when working with clients. I’m often explaining the full picture of cloud building especially in relation to how the network can be orchestrated to fully accelerate the cloud process. I hope you find it useful.
I’ve been working on Mellanox S-Series switches lately in a largish network with several hundred 10GbE server ports. On the whole, the product has performed […]
Collection of useful, relevant or just fun places on the Internets for 9th July 2014 and a bit commentary about what I’ve found interesting […]
With the vast marketing budgets from big vendors and their well paid “evangelists”, the startups vying to introduce new methods and the clamour of engineers trying to understand new technology it might be time to pause and remember that Software Defined Networking was a customer-driven initiative. Vendors had to be forced to accept that SDN was a necessary change.
Lots of people claiming that scripting works for automation and, for a few scripts or tasks, you can get a lot done for not much effort. My experiences with scripting have left me bitter and jaded. Here is why.
Extreme Network now charges a license fee for ports that have 40G/100G OEM or third party SFPs installed. If you don’t purchase a license within 90 days, it will limit bandwidth to 25%. How crappy is that ? Hiding the full price of the switch in SFP pricing strategies is a dumb idea that all the vendors have, what about simply being honest and calling it what it is – a per-port licensing fee designed to extract more revenue from a shrinking market.
I’m completing a report for InformationWeek where the results suggest that customer have declining interest in converged hardware platforms. Then I noticed this post from Cisco on sales of FlexPod.
The WAN Optimisation market shrank by 12% in Q1. Predictable and unsurprising since WanOp is a enhancing technology that only sells when the market is quiet and stable. Managing WanOp complexity is a problem no one wants.
Facebook develops it’s own operating system for switches. This shows that OS’s like Cisco’s IOS and Juniper’s Junos are under attack and devalues those business. The destruction of the software moat means that customers have far more choice for their networks.
It is common wisdom that BGP is awesome because, you know, … something. It runs the Internet therefore it must good. It can be extended and that makes it good. Lots of vendors use it ….. Hang on. When you think about it there are no good, solid BGP implementation in open source. Quagga is […]
For the last 20 years, L2 tree-based network topologies meant that the only practical design methodology was to buy large, vertically scaled switch chassis for the core of the data centre. This limitation was largely due to the tree-structure forced on LAN networking by Spanning Tree Protocol. For every new device at point Access/1 we […]
Couple of quotes from John Chambers keynote during Cisco Live that I seemed to leap out at me: “You are going to see a brutal, brutal consolidation of the IT industry where out of the top five players, only two or three of us will be meaningful in as quick as five years.” “When we […]
Blessay (Deep Content)
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...]
In discussions with a stealthy networking startup today, we were discussing how their overlay network technology for an SDN-enabled WAN was able to to detect network blackouts and brownouts in the physical network. Their answer was to run Bi-directional Forwarding Detection (BFD) in the overlay … [Read More...]
Can the Internet be the “Cloud Network” ? If so, when could the transition happen (if it hasn’t started already) ? Supposition/Hypothesis As a technology, the Internet has strikingly similar properties to sharing Compute and Storage as ‘Cloud’. A large pool of resource that can be used or shared … [Read More...]
Back in 2009, while working on a network diagram in Visio, a fellow worker asked me to show him how I did certain things. I thought this a bit strange at the time, but when other co-workers started asking the same questions I was surprised. Some of them got quite excited and said nice things and it … [Read More...]
Lede: I doubt that anyone bought a Vblock because it was a market leading networking strategy. I've been a supporter of VCE in the past but I'm doubtful that choosing Cisco ACI is good strategy for customers. My view is that most customers buy VCE Vblocks as a VMware platform. What VCE offers is a … [Read More...]
TL:DR A recent project bought a low-cost network for the data centre. It cost less one-third of the market leader & half the cost of a well-known merchant silicon vendors. As a result, it is planned to last for two, maybe three years before it will be replaced. From this project I learned that … [Read More...]
Recently, Dave at DavesBlog made some rather startling observations that Verizon is throttling Netflix traffic, backed up by a comment from some low level help desk staffer that this is true. Taking a casual comment as "truth" is wildly unreasonable. On the Internet, it is very hard to pick the … [Read More...]