What Does Converged Infrastructure CI Hyperconverged HCI Mean to Storage I/O?

What Does CI and HCI Mean to Storage I/O?

server storage I/O trends

Updated 1/17/2018

Converged Infrastructure (CI), Hyperconverged Infrastructure (HCI) along with Cluster or Cloud In Box (CIB) are popular trend topics that have gained both industry and customer adoption as part of data infrastructures. Data Infrastructures exists to support business, cloud and information technology (IT) among other applications that transform data into information or services. The fundamental role of legacy and software defined data infrastructures (SDDI) is to provide a platform environment for applications and data that is resilient, flexible, scalable, agile, efficient as well as cost-effective.

Software Defined Data Infrastructure overview

Business, IT Information, Data and other Infrastructures

Put another way, data infrastructures exist to protect, preserve, process, move, secure and serve data as well as their applications for information services delivery. Technologies that make up data infrastructures include hardware, software, cloud or managed services, servers, storage, I/O and networking along with people, processes, policies along with various tools spanning legacy, software-defined virtual, containers and cloud.

As part of data infrastructures, CI, CIB and HCI enable simplified deployment of resources (servers, storage, I/O networking, hardware, software) across different environments. What do these various approaches (CI, HCI, CiB) mean for a hyperconverged (and converged) storage environment? What are the key concerns and considerations related specifically to storage? Most importantly, how do you know that you’re asking the right questions in order to get to the right answers?

Join me on March 15 at 10:00 AM PT for a live (free) webinar organized by the Storage Network Industry Association (SNIA) Ethernet Storage Forum (ESF). In this webinar (What Does Hyperconverged Mean to Storage) I will be joined by SNIA ESF chair John Kim of Mellanox to discuss moving beyond the hype to prepare, plan and make decisions for deploying CI, CiB and HCI.

Some of the server, storage I/O and related topics we will be discussing during the webcast include:

  • What are the storage considerations for CI, CIB and HCI
  • Fast applications and fast servers need fast server storage I/O
  • Fast NVM storage including NVMe, flash and SSD
  • Networking and server storage I/O considerations
  • How to avoid aggravation-causing aggregation (bottlenecks)
  • Aggregated vs. desegregated vs. hybrid converged
  • Planning, comparing, benchmarking and decision-making
  • Data protection, management and east-west I/O traffic
  • Application and server I/O north-south traffic
  • Where To Learn More

  • SNIA ESF organized webinar on BrightTalk March 15, 2017
  • StorageIO.com (events, news, tips, resources) and StorageIOblog.com
  • Cloud and Virtual Data Storage Networking (CRC)
  • Software-Defined Data Infrastructure Essentials (CRC)
  • Data Infrastructure Primer and Overview (Its Whats Inside The Data Center)
  • Additional learning experiences along with common questions (and answers), as well as tips can be found in Software Defined Data Infrastructure Essentials book.

    Software Defined Data Infrastructure Essentials Book SDDC

    What This All Means

    For many environments some form of converged, desegregated, aggregated or hyper-converged solution or approach will part of their data infrastructures. Join the SNIA ESF folks and me on March 15, 2017 (bring your questions) to discuss CI and HCI storage I/O topics, trends, technologies and themes.

    Ok, nuff said, for now.

    Gs

    Greg Schulz – Microsoft MVP Cloud and Data Center Management, VMware vExpert 2010-2017 (vSAN and vCloud). Author of Software Defined Data Infrastructure Essentials (CRC Press), as well as Cloud and Virtual Data Storage Networking (CRC Press), The Green and Virtual Data Center (CRC Press), Resilient Storage Networks (Elsevier) and twitter @storageio. Courteous comments are welcome for consideration. First published on https://storageioblog.com any reproduction in whole, in part, with changes to content, without source attribution under title or without permission is forbidden.

    All Comments, (C) and (TM) belong to their owners/posters, Other content (C) Copyright 2006-2024 Server StorageIO and UnlimitedIO. All Rights Reserved. StorageIO is a registered Trade Mark (TM) of Server StorageIO.

    The Future of Ethernet – 2016 Roadmap released by Ethernet Alliance

    The Future of Ethernet – 2016 Roadmap released by Ethernet Alliance

    server storage I/O trends

    The Future of Ethernet – 2016 Roadmap released by Ethernet Alliance

    Ethernet Alliance Roadmap

    The Ethernet Alliance has announced their 2016 roadmap of enhancements for Ethernet.

    Ethernet enhancements include speeds, connectivity interfaces that span needs from consumer, enterprise, to cloud and managed service providers.

    Highlights of Ethernet Roadmap

    • FlexEthernet (FlexE)
    • QSFP-DD, microQSFP and OBO interfaces
    • Speeds from 10Mbps to 400GbE.
    • 4 Pair Power over Ethernet (PoE)
    • Power over Data Line (PoDL)

    Ethernet Alliance 2016 Roadmap Image
    Images via EthernetAlliance.org

    Who is the Ethernet Alliance

    The Ethernet Alliance (@ethernetallianc) is an industry trade and marketing consortium focused on the advancement and success of Ethernet related technologies.

    Where to learn more

    The Ethernet Alliance has also made available via their web site two presentations part one here and part two here (or click on the following images).

    Ethernet Alliance 2016 roadmap presentation #1 Ethernet Alliance 2016 roadmap presentation #2

    Also visit www.ethernetalliance.org/roadmap

    What this all means

    Ethernet technologies continue to be enhanced from consumer focused, Internet of Things (IoT) and Internet of Devices (IoD) to enterprise, data centers, IT and non-IT usage as well as cloud and managed service providers. At the lower end where there is broad adoption, the continued evolution of easier to use, lower cost, interoperable technologies and interfaces expands Ethernet adoption footprint while at the higher-end, all of those IoT, IoD, consumer and other devices aggregated (consolidate) into cloud and other services that have the need for speeds from 10GbE, 40GbE, 100GbE and 400GbE.

    With the 2016 Roadmap the Ethernet Alliance has provided good direction as to where Ethernet fits today and tomorrow.

    Ok, nuff said (for now)

    Cheers
    Gs

    Greg Schulz – Author Cloud and Virtual Data Storage Networking (CRC Press), The Green and Virtual Data Center (CRC Press) and Resilient Storage Networks (Elsevier)
    twitter @storageio

    All Comments, (C) and (TM) belong to their owners/posters, Other content (C) Copyright 2006-2023 Server StorageIO(R) and UnlimitedIO All Rights Reserved

    Oracle, Xsigo, VMware, Nicira, SDN and IOV: IO IO its off to work they go

    StorageIO industry trends and perspectives

    In case you missed it, VMware recently announced spending $1.05 billion USD acquiring startup Nicira for their virtualization and software technology that enables software defined networks (SDN). Also last week Oracle was in the news getting its hands slapped by for making misleading advertisement performance claims vs. IBM.

    On the heals of VMware buying Nicira for software defined networking (SDN) or what is also known as IO virtualization (IOV) and virtualized networking, Oracle is now claiming their own SDN capabilities with their announcement of intent to acquire Xsigo. Founded in 2004, Xsigo has a hardware platform combined with software to enable attachment of servers to different Fibre Channel (SAN) and Ethernet based (LAN) networks with their version of IOV.

    Now its Oracle who has announced that it will be acquiring IO, networking, virtualization hardware and software vendor Xsigo founded in 2004 for an undisclosed amount. Xsigo has made its name in the IO virtualization (IOV) and converged networking along with server and storage virtualization space over the past several years including partnerships with various vendors.

    Buzz word bingo

    Technology buzzwords and buzz terms can often be a gray area leaving plenty of room for marketers and PR folks to run with. Case in point AaaS, Big data, Cloud, Compliance, Green, IaaS, IOV, Orchestration, PaaS and Virtualization among other buzzword bingo or XaaS topics. Since Xsigo has been out front in messaging and industry awareness around IO networking convergence of Ethernet based Local Area Networks (LANs) and Fibre Channel (FC) based Storage Area Networks (SANs), along with embracing InfiniBand, it made sense for them to play to their strength which is IO virtualization (aka IOV).

    Too me and among others (here and here and here) it is interesting that Xsigo has not laid claims to being part of the software defined networking (SDN) movement or the affiliated OpenFlow networking initiatives as happens with Nicira (and Oracle for that matter). In the press release that the Oracle marketing and PR folks put out on a Monday morning, some of the media and press, both trade industry, financial and general news agency took the Oracle script hook line and sinker running with it.

    What was effective is how well many industry trade pubs and their analysts simply picked up the press release story and ran with it in the all too common race to see who can get the news or story out first, or before it actually happens in some cases.

    Image of media, news papers

    Too be clear, not all pubs jumped including some of those mentioned by Greg Knieriemen (aka @knieriemen) over at SpeakinginTech highlights. I know some who took the time to call, ask around, leverage their journalistic training to dig, research and find out what this really meant vs. simply taking and running with the script. An example of one of those calls that I had was with Beth Pariseu (aka @pariseautt) that you can read her story here and here.

    Interesting enough, the Xsigo marketers had not embraced the SDN term sticking with the more known (at least in some circles) VIO and VIO descriptions. What is also interesting is just last week Oracle marketing had their hands slapped by the Better Business Bureau (BBB) NAD after IBM complained about unfair performance based advertisements on ExaData.

    Oracle Exadata

    Hmm, I wonder if the SDN police or somebody else will lodge a similar complaint with the BBB on behalf of those doing SDN?

    Both Oracle and Xsigo along with other InfiniBand (and some Ethernet and PCIe) focused vendors are members of the Open Fabric initiative, not to be confused with the group working on OpenFlow.

    StorageIO industry trends and perspectives

    Here are some other things to think about:

    Oracle has a history of doing different acquisitions without disclosing terms, as well as doing them based on earn outs such as was the case with Pillar.

    Oracle use Ethernet in the servers and appliances as well as has been an adopter of InfiniBand primarily for node to node communication, however also for server to application.

    Oracle is also an investor in Mellanox the folks that make InfiniBand and Ethernet products.

    Oracle has built various stacks including ExaData (Database machine), Exalogic, Exalytics and Database Appliance in addition to their 7000 series of storage systems.

    Oracle has done earlier virtualization related acquisitions including Virtual Iron.

    Oracle has a reputation with some of their customers who love to hate them for various reasons.

    Oracle has a reputation of being aggressive, even by other market leader aggressive standards.

    Integrated solution stacks (aka stack wars) or what some remember as bundles continues and Oracle has many solutions.

    What will happen to Xsigo as you know it today (besides what the press releases are saying).

    While Xsigo was not a member of the Open Networking Forum (ONF), Oracle is.

    Xsigo is a member of the Open Fabric Alliance along with Oracle, Mellanox and others interested in servers, PCIe, InfiniBand, Ethernet, networking and storage.

    StorageIO industry trends and perspectives

    What’s my take?

    While there are similarities in that both Nicira and Xsigo are involved with IO Virtualization, what they are doing, how they are doing it, who they are doing it with along with where they can play vary.

    Not sure what Oracle paid however assuming that it was in the couple of million dollars or less, cash or combination of stock, both they and the investors as well as some of the employees, friends and family’s did ok.

    Oracle also gets some intellectual property that they can combine with other earlier acquisitions via Sun and Virtual Iron along with their investment in InfiniBand (also now Ethernet) vendor Mellanox

    Likewise, Oracle gets some extra technology that they can leverage in their various stacked or integrated (aka bundled) solutions for both virtual and physical environments.

    For Xsigo customers the good news is that you now know who will be buying the company, however and should be questions about the future beyond what is being said in press releases.

    Does this acquisition give Oracle a play in the software defined networking space like Nicira gives to VMware I would say no given their hardware dependency, however it does give Oracle some extra technology to play with.

    Likewise while important and a popular buzzword topic (e.g. SDN), since OpenFlow comes up in conversations, perhaps that should be more of the focus vs. if a solution is all software or hardware and software.

    StorageIO industry trends and perspectives

    I also find it entertaining how last week the Better Business Bureau (BBB) and NAD (National Advertising Division) slapped Oracles hands after IBM complaints of misleading performance claims about Oracle ExaData vs. IBM. The reason I find it entertaining is not that Oracle had its hands slapped or that IBM complained to the BBB, rather how the Oracle marketers and PR folks came up with a spin around what could be called a proprietary SDN (hmm, pSDN ?) story feed it to the press and media who then ran with it.

    Im not convinced that this is an all our launch of a war by Oracle vs. Cisco let alone any of the other networking vendors as some have speculated (makes for good headlines though). Instead Im seeing it as more of an opportunistic acquisition by Oracle most likely at a good middle of summer price. Now if Oracle really wanted to go to battle with Cisco (and others), then there are others to buy such as Brocade, Juniper, etc etc etc. However there are other opportunities for Oracle to be focused (or side tracked on right now).

    Oh, lets also see what Cisco has to say about all of this which should be interesting.

    Additional related links:
    Data Center I/O Bottlenecks Performance Issues and Impacts
    I/O, I/O, Its off to Virtual Work and VMworld I Go (or went)
    I/O Virtualization (IOV) Revisited
    Industry Trends and Perspectives: Converged Networking and IO Virtualization (IOV)
    The function of XaaS(X) Pick a letter
    What is the best kind of IO? The one you do not have to do
    Why FC and FCoE vendors get beat up over bandwidth?

    StorageIO industry trends and perspectives

    If you are interested in learning more about IOV, Xisgo, or are having trouble sleeping, click here, here, here, here, here, here, here, here, here, here, here, here, here, or here (I think that’s enough links for now ;).

    Ok, nuff said for now as I have probably requalified for being on the Oracle you know what list for not sticking to the story script, opps, excuse me, I mean press release message.

    Cheers Gs

    Greg Schulz – Author Cloud and Virtual Data Storage Networking (CRC Press, 2011), The Green and Virtual Data Center (CRC Press, 2009), and Resilient Storage Networks (Elsevier, 2004)

    twitter @storageio

    All Comments, (C) and (TM) belong to their owners/posters, Other content (C) Copyright 2006-2012 StorageIO and UnlimitedIO All Rights Reserved

    Dude, is Dell going to buy Brocade?

    Some IT industry buzz this week is around continued speculation (or here) of who will Dell buy next and will it be Brocade.

    Brocade was mentioned as a possible acquisition by some in the IT industry last fall after Dell stepped back from the 3PAR bidding war with HP. Industry rumors or speculations are not new involving Dell and Brocade some going back a year or more (or here or here).

    Dell

    Last fall I did a blog post commenting that I thought Dell would go on to buy someone else (turned out to be Compellent and Insight One). Those acquisitions by Dell followed their purchases of companies including Scalent, Kace, Exanet, Perot, and Ocarina among others. In that post, I also commented that I did not think (at least at that time) that Brocade would be a likely or good fit for Dell given their different business models, go to market strategy and other factors.

    Dell is clearly looking to move further up into the enterprise space which means adding more products and routes to market of which one is via networking and another involves people with associated skill sets. The networking business at Dell has been good for them along with storage to complement their traditional server and workstation business, not to mention their continued expansion into medical, life science and healthcare related solutions. All of those are key building blocks for moving to cloud, virtual and data storage networking environments.

    Dell has also done some interesting acquisitions around management and service or workflow tools with Scalent and Kace not to mention their scale out NAS file system (excuse me, big data) solutions via Exanet and data footprint reduction tools with Ocarina, all of which have plays in the enterprise, cloud and traditional Dell markets.

    But what about Brocade?

    Is it a good fit for Dell?

    Dell certainly could benefit from owning Brocade as a means of expanding their Ethernet and IP businesses beyond OEM partnerships, like HP supplementing their networking business with 3COM and IBM with Blade networks.

    However, would Dell acquiring Brocade disrupt their relationships with Cisco or other networking providers?

    If Dell were to make a bid for Brocade, would Huawei (or here) sit on the sidelines and watch or jump in the game to stir things up?

    Would Cisco counter with a deal Dell could not refuse to tighten their partnership at different levels perhaps even involving something with the UCS that was discussed on a recent Infosmack episode?

    How would EMC, Fujitsu, HDS, HP, IBM, NetApp and Oracle among others, all of who are partners with Brocade respond to Dell now becoming their OEM supplier for some products?

    Would those OEM partnerships continue or cause some of those vendors to become closer aligned with Cisco or others?

    Again the question, will Huawei sit back or decide to enter the market on a more serious basis or continue to quietly increase their presences around the periphery?

    Brocade could be a good fit for Dell giving them a networking solution (both Ethernet via the Foundry acquisition along with Fibre Channel and Fibre Channel over Ethernet (FCoE)) not to mention many other pieces of IP including some NAS and file management tools collecting dust on some Brocade shelf somewhere. What Dell would also get is a sales force that knows how to sell to OEMs, the channel and to enterprise customers, some of whom are networking (Ethernet or Fibre Channel) focused, some who have broader diverse backgrounds.

    While it is possible that Dell could end up with Brocade along with a later bidding battle (unless others just let a possible deal go as is), Dell would find itself in new and unfamiliar waters similar to Brocade gaining its feet moving into the Ethernet and IP space after having been comfortable in the Fibre Channel storage centric space for over a decade.

    While the networking products would be a good fit for Dell assuming that they were to do such a deal, the diamond in the rough so to speak could be Brocade channel, OEM and direct sales contact team of sales people, business development, systems engineers and support staff on a global basis. Keep in mind that while some of those Brocadians are network focused, many have connected servers and storage from mainframe to open systems across all vendors for years or in some cases decades. Some of those people who I know personally are even talented enough to sell ice to an Eskimo (that is a sales joke btw).

    Sure the Brocadians would have to be leveraged to keep selling what they have done, a task similar to what NetApp is currently facing with their integration of Engenio.

    However that DNA could help Dell set up more presences in organizations where they have not been in the past. In other words, Dell could use networking to pull the rest of their product lines into those accounts, vars or resellers.

    Hmmm, does that sound like another large California based networking company?

    Dell

    After all, June is a popular month for weddings, lets see what happens next week down in Orlando during the Dell Storage Forum as some have speculated might be a launching pad for some type of deal.

    Here are some related links to more material:

  • HP Buys one of the seven networking dwarfs and gets a bargain
  • Dell Will Buy Someone, However Not Brocade (At least for now)
  • While HP and Dell make counter bids, exclusive interview with 3PAR CEO David Scott
  • Acadia VCE: VMware + Cisco + EMC = Virtual Computing Environment
  • Did someone forget to tell Dell that Tape is dead?
  • Data footprint reduction (Part 1): Life beyond dedupe and changing data lifecycles
  • Data footprint reduction (Part 2): Dell, IBM, Ocarina and Storwize
  • What is DFR or Data Footprint Reduction?
  • Could Huawei buy Brocade?
  • Has FCoE entered the trough of disillusionment?
  • More on Fibre Channel over Ethernet (FCoE)
  • Dude, is Dell doing a disk deal again with Compellent?
  • Post Holiday IT Shopping Bargains, Dell Buying Exanet?
  • Back to school shopping: Dude, Dell Digests 3PAR Disk storage
  • Huawei should buy brocade
  • NetApp buying LSIs Engenio Storage Business Unit
  • Ok, nuff said for now

    Cheers Gs

    Greg Schulz – Author The Green and Virtual Data Center (CRC), Resilient Storage Networks (Elsevier) and coming summer 2011 Cloud and Virtual Data Storage Networking (CRC)
    twitter @storageio

    All Comments, (C) and (TM) belong to their owners/posters, Other content (C) Copyright 2006-2011 StorageIO and UnlimitedIO All Rights Reserved

    Poll: Networking Convergence, Ethernet, InfiniBand or both?

    I just received an email in my inbox from Voltaire along with a pile of other advertisements, advisories, alerts and announcements from other folks.

    What caught my eye on the email was that it is announcing a new survey results that you can read here as well as below.

    The question that this survey announcements prompts for me and hence why I am posting it here is how dominant will InfiniBand be on a go forward basis, the answer I think is it depends…

    It depends on the target market or audience, what their applications and technology preferences are along with other service requirements.

    I think that there is and will remain a place for Infiniband, the question is where and for what types of environments as well as why have both InfiniBand and Ethernet including Fibre Channel over Ethernet (FCoE) in support of unified or converged I/O and data networking.

    So here is the note that I received from Voltaire:

     

    Hello,

    A new survey by Voltaire (NASDAQ: VOLT) reveals that IT executives plan to use InfiniBand and Ethernet technologies together as they refresh or build new data centers. They’re choosing a converged network strategy to improve fabric performance which in turn furthers their infrastructure consolidation and efficiency objectives.

    The full press release is below.  Please contact me if you would like to speak with a Voltaire executive for further commentary.

    Regards,
    Christy

    ____________________________________________________________
    Christy Lynch| 978.439.5407(o) |617.794.1362(m)
    Director, Corporate Communications
    Voltaire – The Leader in Scale-Out Data Center Fabrics
    christyl@voltaire.com | www.voltaire.com
    Follow us on Twitter: www.twitter.com/voltaireltd

    FOR IMMEDIATE RELEASE:

    IT Survey Finds Executives Planning Converged Network Strategy:
    Using Both InfiniBand and Ethernet

    Fabric Performance Key to Making Data Centers Operate More Efficiently

    CHELMSFORD, Mass. and ANANA, Israel January 12, 2010 – A new survey by Voltaire (NASDAQ: VOLT) reveals that IT executives plan to use InfiniBand and Ethernet technologies together as they refresh or build new data centers. They’re choosing a converged network strategy to improve fabric performance which in turn furthers their infrastructure consolidation and efficiency objectives.

    Voltaire queried more than 120 members of the Global CIO & Executive IT Group, which includes CIOs, senior IT executives, and others in the field that attended the 2009 MIT Sloan CIO Symposium. The survey explored their data center networking needs, their choice of interconnect technologies (fabrics) for the enterprise, and criteria for making technology purchasing decisions.

    “Increasingly, InfiniBand and Ethernet share the ability to address key networking requirements of virtualized, scale-out data centers, such as performance, efficiency, and scalability,” noted Asaf Somekh, vice president of marketing, Voltaire. “By adopting a converged network strategy, IT executives can build on their pre-existing investments, and leverage the best of both technologies.”

    When asked about their fabric choices, 45 percent of the respondents said they planned to implement both InfiniBand with Ethernet as they made future data center enhancements. Another 54 percent intended to rely on Ethernet alone.

    Among additional survey results:

    • When asked to rank the most important characteristics for their data center fabric, the largest number (31 percent) cited high bandwidth. Twenty-two percent cited low latency, and 17 percent said scalability.
    • When asked about their top data center networking priorities for the next two years, 34 percent again cited performance. Twenty-seven percent mentioned reducing costs, and 16 percent cited improving service levels.
    • A majority (nearly 60 percent) favored a fabric/network that is supported or backed by a global server manufacturer.

    InfiniBand and Ethernet interconnect technologies are widely used in today’s data centers to speed up and make the most of computing applications, and to enable faster sharing of data among storage and server networks. Voltaire’s server and storage fabric switches leverage both technologies for optimum efficiency. The company provides InfiniBand products used in supercomputers, high-performance computing, and enterprise environments, as well as its Ethernet products to help a broad array of enterprise data centers meet their performance requirements and consolidation plans.

    About Voltaire
    Voltaire (NASDAQ: VOLT) is a leading provider of scale-out computing fabrics for data centers, high performance computing and cloud environments. Voltaire’s family of server and storage fabric switches and advanced management software improve performance of mission-critical applications, increase efficiency and reduce costs through infrastructure consolidation and lower power consumption. Used by more than 30 percent of the Fortune 100 and other premier organizations across many industries, including many of the TOP500 supercomputers, Voltaire products are included in server and blade offerings from Bull, HP, IBM, NEC and Sun. Founded in 1997, Voltaire is headquartered in Ra’anana, Israel and Chelmsford, Massachusetts. More information is available at www.voltaire.com or by calling 1-800-865-8247.

    Forward Looking Statements
    Information provided in this press release may contain statements relating to current expectations, estimates, forecasts and projections about future events that are "forward-looking statements" as defined in the Private Securities Litigation Reform Act of 1995. These forward-looking statements generally relate to Voltaire’s plans, objectives and expectations for future operations and are based upon management’s current estimates and projections of future results or trends. They also include third-party projections regarding expected industry growth rates. Actual future results may differ materially from those projected as a result of certain risks and uncertainties. These factors include, but are not limited to, those discussed under the heading "Risk Factors" in Voltaire’s annual report on Form 20-F for the year ended December 31, 2008. These forward-looking statements are made only as of the date hereof, and we undertake no obligation to update or revise the forward-looking statements, whether as a result of new information, future events or otherwise.

    ###

    All product and company names mentioned herein may be the trademarks of their respective owners.

     

    End of Voltaire transmission:

    I/O, storage and networking interface wars come and go similar to other technology debates of what is the best or that will be supreme.

    Some recent debates have been around Fibre Channel vs. iSCSI or iSCSI vs. Fibre Channel (depends on your perspective), SAN vs. NAS, NAS vs. SAS, SAS vs. iSCSI or Fibre Channel, Fibre Channel vs. Fibre Channel over Ethernet (FCoE) vs. iSCSI vs. InfiniBand, xWDM vs. SONET or MPLS, IP vs UDP or other IP based services, not to mention the whole LAN, SAN, MAN, WAN POTS and PAN speed games of 1G, 2G, 4G, 8G, 10G, 40G or 100G. Of course there are also the I/O virtualization (IOV) discussions including PCIe Single Root (SR) and Multi Root (MR) for attachment of SAS/SATA, Ethernet, Fibre Channel or other adapters vs. other approaches.

    Thus when I routinely get asked about what is the best, my answer usually is a qualified it depends based on what you are doing, trying to accomplish, your environment, preferences among others. In other words, Im not hung up or tied to anyone particular networking transport, protocol, network or interface, rather, the ones that work and are most applicable to the task at hand

    Now getting back to Voltaire and InfiniBand which I think has a future for some environments, however I dont see it being the be all end all it was once promoted to be. And outside of the InfiniBand faithful (there are also iSCSI, SAS, Fibre Channel, FCoE, CEE and DCE among other devotees), I suspect that the results would be mixed.

    I suspect that the Voltaire survey reflects that as well as if I surveyed an Ethernet dominate environment I can take a pretty good guess at the results, likewise for a Fibre Channel, or FCoE influenced environment. Not to mention the composition of the environment, focus and business or applications being supported. One would also expect a slightly different survey results from the likes of Aprius, Broadcom, Brocade, Cisco, Emulex, Mellanox (they also are involved with InfiniBand), NextIO, Qlogic (they actually do some Infiniband activity as well), Virtensys or Xsigo (actually, they support convergence of Fibre Channel and Ethernet via Infiniband) among others.

    Ok, so what is your take?

    Whats your preffered network interface for convergence?

    For additional reading, here are some related links:

  • I/O Virtualization (IOV) Revisited
  • I/O, I/O, Its off to Virtual Work and VMworld I Go (or went)
  • Buzzword Bingo 1.0 – Are you ready for fall product announcements?
  • StorageIO in the News Update V2010.1
  • The Green and Virtual Data Center (Chapter 9)
  • Also check out what others including Scott Lowe have to say about IOV here or, Stuart Miniman about FCoE here, or of Greg Ferro here.
  • Oh, and for what its worth for those concerned about FTC disclosure, Voltaire is not nor have they been a client of StorageIO, however, I did used to work for a Fibre Channel, iSCSI, IP storage, LAN, SAN, MAN, WAN vendor and wrote a book on the topics :).

    Cheers
    Gs

    Greg Schulz – Author Cloud and Virtual Data Storage Networking (CRC Press, 2011), The Green and Virtual Data Center (CRC Press, 2009), and Resilient Storage Networks (Elsevier, 2004)

    twitter @storageio

    All Comments, (C) and (TM) belong to their owners/posters, Other content (C) Copyright 2006-2012 StorageIO and UnlimitedIO All Rights Reserved