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From the Blogosphere Bare Metal Blog: Throughput Sometimes Has Meaning
Knowing what to test is half the battle
Dec. 26, 2012 11:00 AM
Knowing what to test is half the battle. Knowing how it was tested the other. Knowing what that means is the third. That’s some testing, real clear numbers.
In most countries, top speed is no longer the thing that auto manufacturers want to talk about. Top speed is great if you need it, but for the vast bulk of us, we’ll never need it. Since the flow of traffic dictates that too much speed is hazardous on the vast bulk of roads, automobile manufacturers have correctly moved the conversation to other things – cup holders (did you know there is a magic number of them for female purchasers? Did you know people actually debate not the existence of such a number, but what it is?), USB/bluetooth connectivity, backup cameras, etc. Safety and convenience features have supplanted top speed as the things to discuss.
The same is true of networking gear. While I was at Network Computing, focus was shifting from “speeds and feeds” as the industry called it, to overall performance in a real enterprise environment. Not only was it getting increasingly difficult and expensive to push ever-larger switches until they could no longer handle the throughput, enterprise IT staff was more interested in what the capabilities of the box were than how fast it could go. Capabilities is a vague term that I used on purpose. The definition is a moving target across both time and market, with a far different set of criteria for, say, an ADC versus a WAP.
There are times, however, where you really do want to know about the straight-up throughput, even if you know it is the equivalent of a professional driver on a closed course, and your network will never see the level of performance that is claimed for the device.
There are actually several cases where you will want to know about the maximum performance of an ADC, using the tools I pay the most attention to at the moment as an example. WAN optimization is a good one. In WANOpt, the goal is to shrink the amount of data being transferred between two dedicated points to try and maximize the amount of throughput. When “maximize the amount of throughput” is in the description, speeds and feeds matter. WANOpt is a pretty interesting example too, because there’s more than just “how much data did I send over the wire in that fifteen minute window”. It’s more complex than that (isn’t it always?). The best testing I’ve seen for WANOpt starts with “how many bytes were sent by the originating machine”, then measures that the same number of bytes were received by the WANOpt device, then measures how much is going out the Internet port of the WANOpt device – to measure compression levels and bandwidth usage – then measures the number of bytes the receiving machine at the remote location receives to make sure it matches the originating machine. So even though I say “speeds and feeds matter”, there is a caveat. You want to measure latency introduced with compression and dedupe, and possibly with encryption since WANOpt is almost always over the public Internet these days, throughput, and bandwidth usage. All technically “speeds and feeds” numbers, but taken together giving you an overall picture of what good the WANOpt device is doing. There are scenarios where the “good” is astounding. I’ve seen the numbers that range as high as 95x the performance. If you’re sending a ton of data over WANOpt connections, even 4x or 5x is a huge savings in connection upgrades, anything higher than that is astounding.
This is an (older) diagram of WAN Optimization I’ve marked up to show where the testing took place, because sometimes a picture is indeed worth a thousand words. And yeah, I used F5 gear for the example image… That really should not surprise you  .
So basically, you count the bytes the server sends, the bytes the WANOpt device sends (which will be less for 99.99% of loads if compression and de-dupe are used), and the total number of bytes received by the target server. Then you know what percentage improvement you got out of the WANOpt device (by comparing server out bytes to WANOpt out bytes), that the WANOpt devices functioned as expected (server received bytes == server sent bytes), and what the overall throughput improvement was (server received bytes/time to transfer).
There are other scenarios where simple speeds and feeds matter, but less of them than their used to be, and the trend is continuing. When a device designed to improve application traffic is introduced, there are certainly few. The ability to handle a gazillion connections per second I’ve mentioned before is a good guardian against DDoS attacks, but what those connections can do is a different question. Lots of devices in many networking market spaces show little or even no latency introduction on their glossy sales hand-outs, but make those devices do the job they’re purchased for and see what the latency numbers look like. It can be ugly, or you could be pleasantly surprised, but you need to know. Because you’re not going to use it in a pristine lab with perfect conditions, you’re going to slap it into a network where all sorts of things are happening and it is expected to carry its load.
So again, I’ll wrap with acknowledgement that you all are smart puppies and know where speeds and feeds matter, make sure you have realistic performance numbers for those cases too.
The Whole Bare Metal Blog series:
Read the original blog entry...
About Don MacVittieDon MacVittie is a Technical Marketing Manager at F5 Networks. In this role, he supports outbound marketing, education, and evangelism efforts around development, storage, and IT management topics related to F5 solutions. His role includes authoring technical materials, participating in social and community-based forums, and providing guidance for the development of marketing resources. As an industry veteran, MacVittie has extensive programming experience along with project management, IT management, and systems/network administration expertise.
Prior to joining F5, MacVittie was a Senior Technology Editor at Network Computing, where he conducted product research and evaluated storage and server systems, as well as development and outsourcing solutions. He has authored numerous articles on a variety of topics aimed at IT professionals. MacVittie holds a B.S. in Computer Science from Northern Michigan University, and an M.S. in Computer Science from Nova Southeastern University.
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Cloud Expo 2012 East Opening Keynote by SHI
In this Cloud Expo Keynote, Henry Fastert, SHI's Chief Technologist and Managing Partner, will share insight on how the latest generation of cloud computing is now capable of addressing the needs of the enterprise mission critical applications. These mission-critical applications require computing infrastructure that is secure, optimizes performance, and is highly resilient. The purpose of the keynote is to highlight how the latest cloud computing designs have evolved in terms of security, availability, and overall service quality to meet the needs of mission critical applications.
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John Engates, CTO of Rackspace Hosting Live From New York City
Last year, cloud computing pundits predicted that 2012 would be the year when the clouds would open. They were right as cloud computing enthusiasts all over are embracing the open ecosystem; however, denying one vendor the right to serve as the de facto API is only the tip of the iceberg of this computing climate change. Join Rackspace Chief Technology Officer John Engates as he discusses the open ecosystem and how ultimately, winning cloud technologies will be based on the ecosystem they represent.
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Keynote: Step up to a Higher Cloud
Cloud is a transformational shift in computing that can have a powerful effect on enterprise IT when designed correctly and used to its full potential. Join Citrix in a discussion that centers on building, connecting and empowering users with cloud services and hear examples of how enterprises are solving real-world business challenges with an architecture and solution purpose-built for the cloud.
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A Pragmatic Journey to the Cloud
As enterprise adoption of cloud computing accelerates, organizations must have a strategy and roadmap for moving to the cloud. Faced with different options including building a private cloud, subscribing to public clouds, or leveraging a hybrid cloud, organizations need a rational and pragmatic approach. This session explores the emerging trends in cloud computing and offers best practices for how organizations can successfully navigate a journey to the cloud.
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Cloud Expo Breaking News By Elizabeth White  SYS-CON Events announced today that Wowrack will exhibit at SYS-CON's 12th International Cloud Expo, which will take place on June 10–13, 2013, at the Javits Center in New York City, New York.
Wowrack’s core expertise lies in high-availability Private and Public Cloud IaaS Hosting Solutions. Wowrack provides a true Hybrid service – where business release all IT management and hardware provisioning – taking the data center and server system administrative headaches off our customer’s shoulders. ... May. 25, 2013 10:00 AM EDT Reads: 1,367 | By Pat Romanski  At pennies per virtual machine-hour, the economics of cloud computing are both compelling and daunting to replicate. Whether you are building your own cloud infrastructure, building a public cloud or choosing a cloud service, there are key strategy and technology decisions that make the difference between success and failure.
In his General Session at the 12th International Cloud Expo, Jason Waxman, VP in the Intel Architecture Group and general manager of the Cloud Platforms Group within Inte... May. 25, 2013 10:00 AM EDT Reads: 842 | By Elizabeth White  You're getting pitched every day from your legacy enterprise software and hardware vendors about "cloud." They're doing an amazing job of convincing your CIO and CTO about what cloud is and how you should use it. The reality is they're defending their shrinking market share and keeping you on the legacy treadmill for as long as they can by selling you solutions that aren't "cloud."
In her session at the 12th International Cloud Expo, Niki Acosta, Cloud Evangelista for Rackspace, will talk thro... May. 25, 2013 10:00 AM EDT Reads: 809 | By Jeremy Geelan  The rise of cloud computing has exposed hard drive-based storage as the new data center bottleneck. Combating this, data center managers have deployed SSDs to gain the performance needed to provide real-time access to data. However, due to budget constraints, many have turned to consumer-grade SSDs without understanding that they wear out quickly when processing enterprise workloads. In this session, Esther Spanjer will discuss recent endurance advancements in SSD technology that enable usage of... May. 25, 2013 10:00 AM EDT Reads: 2,718 | By Liz McMillan  Organizations across the world are increasingly starting to see the benefits of moving more and more services to the cloud. The focus on the cost-saving potential of cloud is rapidly shifting to completely transforming the business with cloud. As organizations are investing enormous sums on technology they are starting to realize that in order to maximize the return on investment and accelerate the business transformation process the first area of focus should be people. By ensuring the organiza... May. 25, 2013 09:15 AM EDT Reads: 1,160 | By Jeremy Geelan  "Since Cloud Expo is running the week of June 10, we thought it'd be a great idea to schedule our Meetup this week. That way, if you have colleagues, friends, or family in town that week for the Expo, you can invite them to join you!" With those words, the OpenStack New York Meetup Group's organizer's launched a landing page this week where anyone interested can register for the June 12 evening event. May. 25, 2013 09:15 AM EDT Reads: 1,131 | By Jeremy Geelan  Organizations want extraordinary results from their IT units. Today's mantra is faster delivery, better quality, cheaper solutions, and safer environments. Many CIOs are implementing cloud computing enterprise architectures to address these challenges with results varying greatly. Why are some organizations seeing only limited results from cloud computing implementations while others are increasing market share, decreasing costs, generating value, and innovating faster? May. 25, 2013 09:00 AM EDT Reads: 3,559 | By Elizabeth White  In an ideal developer/systems administrator’s world, most applications would deploy seamlessly to multiple platforms and scale elastically with minimal effort bringing the unprecedented agility of the cloud within immediate reach of developer teams and IT organizations.
OpenStack, a RackSpace and NASA initiative, is now managed by an independent foundation and is supported by multiple vendors. It defines APIs for compute, storage, networking, services, monitoring, and additional infrastructure... May. 25, 2013 07:00 AM EDT Reads: 2,081 | By Jeremy Geelan  Everyone is virtualizing, but are they realizing any of the promised savings? This overview of IBM's new virtualization optimization solutions will show you how integrated Cloud Solutions like SmartCloud Provisioning and SmartCloud Monitoring can deliver the savings virtualization promises.
Organizations are using intelligent management and analytics to provide the insight needed to optimize their virtualized infrastructure and dramatically improve availability, reduce data storage footprint... May. 25, 2013 07:00 AM EDT Reads: 2,478 | By Jeremy Geelan  “Big Data analytics will shape the form of nearly every process going forward in time, from the color of the latest fashions, what the candidates say in one town versus another to the chemical composition of the latest super drug,” noted Steve Knodl, Director of Product Management at NextIO, in this exclusive Q&A with Cloud Expo Conference Chair Jeremy Geelan. “Whether these are considered “new” products,” Knodl continued, “or continuous improvement on previous processes is largely in the eyes o... May. 25, 2013 07:00 AM EDT Reads: 6,815 |
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Best Recent Articles on Cloud Computing & Big Data Topics  By Jeremy Geelan The Arlington, Virginia-based National Science Foundation has just released its "Report on Support for Cloud Computing" - in response to the America Competes Reauthorization Act of 2010, Section 524.
It is an absolute must-read for all concerned with current and future research projects in Cloud Computing. Reads: 8,404  By Jeremy Geelan "The volume of data we're generating now from machines pales in comparison to the volume of data we'll soon generate from our own bodies," says data security expert Dave Asprey. Writing in a Trend Micro blog, Asprey - who is one of the leaders in the emerging Quantified Self movement - explains his vision of a world in which personal biometrical data is shared via the cloud. Reads: 14,495  By Wolfram Jost Cloud computing has caught the attention of business leaders around the world in every
industry because of its enormous transformative potential. Visionary companies know that
the value of the cloud is far greater than the current focus solely on technology and operating
costs: when combined with a collaborative approach to designing processes, cloud computing
will change how we do business.
Reads: 20,138  By Elizabeth White Want to make sense of the hottest new concept in Enterprise IT?
Want to understand in just hours what experts have spent many hundreds of days deciphering?
Cloud computing is a technology that has rapidly evolving peppered with a lot of hype along the way. Customers find it hard to navigate through this and make sense of what aspects of this technology will give them real business benefit.
Cloud Computing Bootcamp, led by our 2013 Bootcamp Instructor Larry Carvalho, is a great way to get a practical understanding of this technology. We offer multiple days of actionable insight into what vendor offerings are currently available and help you comprehend their strategy.
The ever-popular Bootcamp, which is now held regularly around the world, is being held in conjunction with the 12th Cloud Expo, June 10-13, 2013, at the Javits Center, New York, NY. Reads: 10,519  By Larry Bettino Did you know that ninety percent of the data in the world has been created in the last two years? Every day, we create 2.5 quintillion (or 2.518) bytes of data, according to IBM.
As corporations across all industries globally are struggling with how to retain, aggregate and analyze this mounting volume of what the industry refers to as Big Data, it also provides a unique opportunity for innovative startups that recognize the business prospects Big Data presents. Big Data is not just unlocking new information but new sources of economic and business value.
Interactivity is driving Big Data, with people and machines both consuming and creating it. Digital companies focused on becoming good at aggregating and analyzing the data created by the end users of their product, who then provide their customers with solid insights taken from that data are at a distinct competitive advantage over others in the marketplace. Reads: 8,345  By Elizabeth White Industry-specific clouds are those PaaS, IaaS, and PaaS services that are tailored for a specific vertical, such as transportation, retail, finance, and health care. IDC sees a $65 billion market in these industry solutions for 2013, rising to $100 billion in 2016.
The value of industry-specific clouds is that businesses within a vertical can connect to applications, processes, and databases that are pre-defined for that vertical within a public or private cloud. They can extend processes and databases into the business domain, versus defining the data and processes within a generic cloud-based platform.
So, are industry specific clouds right for your business? What options are out there? How do you figure out the ROI? Reads: 6,198  By Pat Romanski SYS-CON Events announced today that Rackspace Hosting, the open cloud company, has been named "Platinum Plus Sponsor" of SYS-CON's 12th International Cloud Expo, which will take place on June 10-13, 2013, at the Javits Center in New York City, New York.
Rackspace® Hosting (NYSE: RAX) is the open cloud company, delivering open technologies and powering more than 205,000 customers worldwide. Rackspace provides its renowned Fanatical Support® across a broad portfolio of IT products, including Public Cloud, Private Cloud, Hybrid Hosting and Dedicated Hosting. Rackspace has been recognized by Bloomberg BusinessWeek as a Top 100 Performing Technology Company, is featured on Fortune's list of 100 Best Companies to Work For and is included on the Dow Jones Sustainability Index. Rackspace was positioned in the Leaders Quadrant by Gartner Inc. in the "2011 Magic Quadrant for Managed Hosting." Rackspace is headquartered in San Antonio with offices and data centers around the world.  By Liz McMillan 10th International Cloud Expo, held on June 11-14, 2012 at the Javits Center in New York City, featured four content-packed days with a rich array of sessions about the business and technical value of cloud computing led by exceptional speakers from every sector of the cloud computing ecosystem.
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We invite you to enjoy our photo album of the show - we'll be adding new images all week. Reads: 8,979  By Carmen Gonzalez Ulitzer.com announced "the World's 30 most influential Cloud bloggers," who collectively generated more than 24 million Ulitzer page views. Ulitzer's annual "most influential Cloud bloggers" list was announced at Cloud Expo, which drew more delegates than all other Cloud-related events put together worldwide. "The world's 50 most influential Cloud bloggers 2010" list will be announced at the Cloud Expo 2010 East, which will take place April 19-21, 2010, at the Jacob Javitz Convention Center, in New York City, with more than 5,000 expected to attend. Reads: 45,926  By Kevin Hartig Cloud computing is becoming one of the next industry buzz words. It joins the ranks of terms including: grid computing, utility computing, virtualization, clustering, etc.
Cloud computing overlaps some of the concepts of distributed, grid and utility computing, however it does have its own meaning if contextually used correctly. The conceptual overlap is partly due to technology changes, usages and implementations over the years.
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Likely they will be around in usage for quit a while to come. But Cloud computing has become the new buzz word driven largely by marketing and service offerings from big corporate players like Google, IBM and Amazon. Reads: 199,754  By Elizabeth White SYS-CON Events announced today that Dell Inc. has been named "Silver Sponsor" of SYS-CON's 12th International Cloud Expo, which will take place on June 10-13, 2013, at the Javits Center in New York City, New York.
For more than 28 years, Dell has empowered countries, communities, customers and people everywhere to use technology to realize their dreams. Customers trust Dell to deliver technology solutions that help them do and achieve more, whether they're at home, work, school or anywhere in their world. Learn more about Dell's story, purpose and people behind its customer-centric approach. Reads: 2,729  By Liz McMillan One of the most compelling promises of the cloud is that you can pull out a credit card and be working in minutes. No purchase orders to fill out, no equipment to wait for on the loading dock. Just instant access to the resources you need, when you need them. But accessibility comes at a price, and an unintentional consequence may be that you create yet another orphaned identity silo. Enterprise IT has spent years consolidating its mishmash of directories, only to discover that cloud now threatens to turn back their hard-won victories.
In his session at the 12th International Cloud Expo, Scott Morrison, CTO and Chief Architect at Layer 7 Technologies, will look at strategies to incorporate identity into cloud applications. Enterprise identity or social login can both be a part of your go-to-cloud strategy, but you must plan for this upfront, rather than try to retrofit identity and access control at a later date. Reads: 3,093 By Roger Strukhoff Cloud Expo, Cloud Expo East, Cloud Expo West, Cloud Expo Silicon Valley, Cloud Expo Europe, Cloud Expo Tokyo, Cloud Expo Prague, Cloud Expo Hong Kong, Cloud Expo Sao Paolo are trademarks and /or registered trademarks (USPTO serial number 85009040) of Cloud Expo, Inc. Reads: 17,025 |
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Introducing
There is little doubt that Big Data solutions will have an increasing role in the Enterprise IT mainstream over time. Get a jump on that rapidly evolving trend at Big Data Expo, which we are introducing in June at
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With our launch at Cloud Expo, we successfully transformed the company from a relatively unknown European player into the dominant player in the market. Our competitors were taken by surprise and just blown away. We got a huge number of really high quality leads..." |
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The World's Most Influential Blogs By Doug Bonderud  Although often misunderstood, cloud computing ultimately relies on the same technological underpinnings as traditional server and storage options. While software, platforms and even infrastructure are farmed out to third-party providers, their ability to operate efficiently is constrained by the sam... May. 24, 2013 12:44 PM EDT Reads: 662 | By Keith Mayer  Hyper-V Replica is our included asynchronous site-to-site VM replication capability for Windows Server 2012 and our free Hyper-V Server 2012 bare-metal enterprise-grade hypervisor. Using Hyper-V Replica, you can quickly implement a cost-effective disaster recovery plan for your business critical VM... May. 24, 2013 11:00 AM EDT Reads: 683 | By Gathering Clouds  While movement to the cloud keeps accelerating, fears about security hang on. Let’s take a look at the most common myths about cloud security that might be holding businesses back from taking advantage of the flexibility and scalability of the cloud model.
This is the piece of “common sense” that h... May. 24, 2013 08:45 AM EDT Reads: 661 | By Denise Dubie  Imagine if you could take a time machine five years into the future, so that you would know which of today’s new technologies panned out and which did not.
Most companies have only started using cloud in the past two years. But there are some companies that have been using cloud for five years or... May. 23, 2013 06:15 AM EDT Reads: 654 | By Dirk Zwart  “The last time I checked, people do not change their social security numbers very often...”
While in constant debate over data encryption and ease of access, I encountered a train of thought that made my jaw drop. A tradeshow attendee suggested encrypting everything, but just use a weak algorithm; ... May. 22, 2013 11:20 AM EDT Reads: 629 | By Lori MacVittie  Don and I have four children, all of whom have had the fortune to take piano lessons (I'm not sure if the youngest would agree he's fortunate at this point in his life but at five, he's not really able to answer the question with any degree of wisdom, anyway. Come to think of it, not sure the other ... May. 22, 2013 09:00 AM EDT Reads: 480 | By Nicos Vekiarides  Our prior post, A Roadmap to High-Value Cloud Infrastructure: Disaster Recovery and Data Protection, discussed both the benefits and limitations of a cloud-based disaster recovery (DR) strategy. As we highlighted last week, traditional disaster recovery options leave open a huge hole: At one extreme... May. 22, 2013 08:45 AM EDT Reads: 778 | By David Deans  Online collaboration has evolved during the last decade, delivering even greater value -- thanks to a new generation of business technology applications. Forbes Insights released "Collaborating in the Cloud," a Cisco-sponsored study examining the ways business leaders increasingly look at cloud coll... May. 21, 2013 08:45 AM EDT Reads: 1,071 | By Mark van Rijmenam  New technologies allow schools, colleges and universities to analyze absolutely everything that happens. From student behavior, testing results, career development of students as well as educational needs based on changing societies. A lot of this data has already been stored and is used for statist... May. 19, 2013 02:00 PM EDT Reads: 2,023 | By Kevin Nikkhoo  A recent Gartner study states that the function of the modern CIO is in flux and that his or her future focus must incorporate digital assets (aka cloud-based data and applications) to remain relevant. Towards the goal of riding the sea change a compiler of stacks to a broker of business needs, secu... May. 19, 2013 09:00 AM EDT Reads: 1,405 |
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PwC |
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Oracle |
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Oracle |
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AppZero |
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