Currently in Migration - Jason Edelman's Old Blog
  • Home
  • About
  • Contact

Software Defined Networking: Cisco Domination to Market Education

4/15/2012

25 Comments

 
The term Software Defined Networking (SDN) has seemingly become main stream in the past several months being one of the hotter topics, if not the hottest, for the blog and twitter communities.  But, has it really gone main stream?  I’m not so sure.  In fact, I’ll say it hasn’t for sure.  The Open Networking Foundation (ONF) formed last year is largely made up of hyper scale web companies, “traditional” network companies, some niche network/services providers, new SDN companies focused on developing software and hardware, and Goldman Sachs.  But, does it really matter who is on the ONF from an end user’s standpoint?  Do Enterprise’s really care that companies are spending the $30,000 or so per year to be part of the ONF?  Do they [Enterprises] care that Facebook, Google, and Yahoo are exploring OF/SDN and are on the board of directors?  Doubt it.  They care about their requirements that need that of some fixin’.  99% of the environments out there do not replicate that of these hyper scale web companies.  If anything, they are more represented by that of Goldman Sachs, right?  While Goldman is likely still in the early stages of their SDN R&D, they are who I’d like to hear from.  Several years ago I was on the SE team at Cisco that supported Goldman.  I didn’t support them directly, but a peer of mind did.  These guys/gals at GS are smart, really smart, and it’s no surprise GS looks at the network from a business perspective.  Should they realize the benefit of SDN, it’ll be adopted.  If they adopt, others will follow, especially those on Wall Street.  Pay attention to them and their ONF efforts.

But….as a week full of SDN will be starting shortly, here are some other thoughts relating to the topic of SDN.  Many of which could be controversial =).

Pay close attention to use cases of those going down the path of Software Defined Networking.  Are you in a similar vertical to any end user that is publicly discussing SDN use cases?  For example, anyone managing or running an IT department of a college campus, you should really be staying close to what Indiana University is up to.  Leverage the research they have done.  You could be facing similar challenges and not even realize these challenges are challenges, or that there are solutions to these unknown problems.  You may think it is just the norm.  Well, it doesn’t have to be.

Understand default gateways and where and when they exist.  With technologies like Fabric Path, TRILL, STT, and VXLAN, it is actually rare for product documentation to offer up *good* details on the L3 gateway for some reason.  Why?  If there is lack of support, that is okay, but be upfront about what the technology offers, and what the limitations may be.  After all, if the focus is east-west traffic, L3 gateways may not matter at all for some clients.

Understand the proliferation of networks or overlays that will arise if you go down the path of network virtualization through the use of SDN.  With server virtualization, it became extremely quick to provision new servers resulting in even more server sprawl than before, but because of tools such as Vcenter, it was manageable for IT teams to do more with less.  Expect the same from networking.  Years ago, every department and application owner wanted their own switch, but due to the capex of physical switches and the rise of VLANs, each tenant received a VLAN instead, and the business “suffered” because they had to share hardware.  Looking into the future, instead, this will be accomplished in software with overlays or virtual switches and will end up being natively more secure than VLANs.  Virtual Networks will be able to be provisioned just as quickly as servers are today.  You could easily go from managing 100 physical switches to 500 virtual or from 100 physical to 50 virtual based on the actual requirements of the end users.  So, be ready for it and make sure you really evaluate the provisioning tools for the overlays.  Hope there is integration to the hypervisor mgmt tools to further simplify things too.  As stated just above, if you’re deploying SDN based L2 virtual switches, make sure you know how Layer 3 works and how the heck your traffic gets out of that virtual LAN segment.

Understand the future of any SDN company or at least try to.  Are they already working on other products or are they focused on making the ONE they have work?  Since it’s still early in the world of SDN, look at the track record of their leadership team.  Where have they worked prior?  What about their funding?  How much have they had? What stage are they in and what VCs are they working with?  What are the VCs track records?

Cisco dominates.  Everyone knows it (right?).  The Cisco competitors are making a living by having a slice, maybe two, while Cisco enjoys the other six.  With regards to SDN, much of the messaging needs to be improved.  I think many companies are so focused on bringing down Cisco rather than focusing on the benefits of software defined networking.  Remember, it takes time to develop an extremely hefty appetite.  You don’t get fat over night.

This leads me to another point regarding controller based networking, i.e. one path to SDN (or is it the most popular path so far?).  After much thought and internal debate, I don’t think “controller-only” companies will work out in the long run for the Enterprise.  SDN apps-only companies will (assuming the controllers they integrate with do).  Compare these to Metreos and IP Celerate in the world of Cisco Voice.  But companies that develop a controller (with or without apps) without any switching products – may not succeed.  Maybe that model will for the hyper scale web companies – those select few who are on the board of the ONF and have a large in house support staff, but not the Enterprise.  Cisco and VMWare dominate the Enterprise market today.  I suppose some could debate that too, but I’m pretty sure their market share is easily over 50% each being conservative to make my point.  OpenFlow is the most common protocol used for SDN today, but which Cisco or VMWare switches support it?  None.  But once they do support it, or develop an equivalent protocol, they may be even harder to compete with.  You’ll have a horizontal oriented system, i.e. switch+ controller (different companies) vs. a vertical oriented system (single vendor who provides both)?  Who will win?  In the Enterprise, I really must say I think it’ll be the vertically oriented system.  It’s interesting given the hype of “the ability to be horizontal.”  I even wrote about the vendor lock-in of SDN here.  Take a read if you haven’t already.  It’s an interesting topic in and of itself.  So, to any end users going down the path of SDN, evaluate the options available – that’s really all you can do.  Just remember, you have your own requirements, not the requirements a vendor gives you.  If that means sticking with Cisco or another vendor even though they don’t always have the feature first, but they end up always having it down the road, then great.  But, if your challenges and requirements are immediate and need to be addressed ASAP, you may need to evaluate new hardware/software companies other than the incumbent.

Above and beyond the networking industry being dominated by Cisco, I’ll also go on the record by saying this is made possible by their large global channel.  They have 1000s of companies worldwide going to bat for them, which is a great thing, for Cisco.  Their sales force isn’t 12,000 (which it was when I was there a few years ago), but a number far greater than that including their Channel.  These Integrators/VARS are often overlooked in customer product evaluations and when making decisions on new products and technologies.  So, another point to end users though – realize who will be available besides said new company TAC when issues arise or questions come up.  Customers can request new partnerships be made between a new vendor and existing partner, but the net of it is really to understand who will be there to support you should things go haywire at 3am on Saturday evening.

Market education.  Something needs to be done here because very few, I mean, very few are aware of OpenFlow and SDN, and that is not a good thing, if it is really going to be the future of networking.  Earlier in this post, I stated, “You could be facing similar challenges and not even realize these challenges are challenges, or that there are solutions to these unknown problems.  You may think it is just the norm,” referring to end users consuming network technology.  I think that could be the case for SDN overall and hopefully that gradually shifts, but most are okay with managing complicated networks because that’s the way it’s always been done.  So, if there are other ways, users must know.

Another point on market education.  Not saying it’s a good or bad thing, but taking an independent view, I also think Cisco and their channel play a huge part in this.  The newer SDN companies and even the smaller traditional network companies just don’t have the reach Cisco has, so whenever Cisco does commit to a new market, it actually helps the industry and their competition too.  The smaller niche players know this, and I’m guessing they want Cisco to be more public on their SDN strategy too.

With all of that said, I really am looking forward to attending the Open Networking Summit in Santa Clara this week.  It should be a great time and look forward to learning much more and meeting some really smart people.

25 Comments
fat loss factor program review link
4/10/2013 03:07:26 am


Very nice post. I just stumbled upon your weblog and wanted to say that I've really enjoyed surfing around your blog posts. After all I'll be subscribing to your feed and I hope you write again soon!

Reply
Wooden Door Frames link
4/9/2014 11:21:08 pm

Hey great stuff, thank you for sharing this useful information and i will let know my friends as well

Reply
Visit this link
6/10/2014 12:29:54 am

I really like your blog. You make it interesting to read and entertaining at the same time. I cant wait to read more from you.

Reply
Buy Zyban Online link
6/15/2014 01:31:01 am

I really enjoy this design you have got going on your web site. What is the name of the template by the way? I was thinking of using this style for the blog I am going to build for my class project.

Reply
neviditelná podprsenka link
6/22/2014 02:39:01 am

This blog is really useful for me, i really appreciate its post.

Reply
partytent huren schiedam link
7/9/2014 02:54:56 am

I happen to enter your blog with the help of Google search. To my sheer luck I got what I was searching for. Thanks.

Reply
dfsdfsd f link
7/11/2014 10:31:40 am

kjklsdfjlksjkejr

Reply
obat tradisional untuk keputihan link
7/11/2014 12:48:22 pm

This is a smart blog. I mean it. You have so much knowledge about this issue, and so much passion. You also know how to make people rally behind it, obviously from the responses. Youve got a design here thats not too flashy, but makes a statement as big as what youre saying. Great job, indeed.

Reply
obatherbaldarahtinggi.org/obat-menghilangkan-penyakit-keputihan-yang-manjur-karena-jamur link
7/11/2014 12:48:48 pm

Good posts on this blog make me read this blog again and again i liked this blog very much This blog has got all the useful stuff that i wanted to know about.

Reply
obat herbal keputihan link
7/11/2014 12:49:14 pm

An fascinating dialogue is worth comment. I believe that it’s best to write more on this subject, it might not be a taboo topic however typically persons are not sufficient to speak on such topics. To the next. Cheers

Reply
obatherbaldarahtinggi.org/obat-terlambattelat-haid-obat-sakit-haid-obat-untuk-mendatangkan-haid link
7/14/2014 01:16:40 pm

Really good finds here, Corvida! Like most of the other commentors, I've never seen Google Analytics AIR and a couple of these others. I love new AIR toys!

Reply
obat melancarkan haid link
7/14/2014 01:17:35 pm

I should tell you that your blog articles and other content is extremely great. It truly is not simple to retain this kind of top quality in the webpage. Keep up the good work.

Reply
http://obatherbaldarahtinggi.org/obat-tradisional-herbal-penghilang-nyeri-haid-yang-tidak-tertahankan/ link
7/14/2014 01:18:35 pm

Hi there! I simply wish to give an enormous thumbs up for the nice data you may have right here on this post. I will likely be coming again to your weblog for extra soon.

Reply
vloer huren link
7/18/2014 11:56:10 pm

Hello I am so delighted I found your blog, I really found you by mistake, while I was looking on Yahoo for something else, anyways I am here now and would just like to say thanks for a tremendous post. Please do keep up the great work.

Reply
festivaltent huren link
8/9/2014 03:11:03 am

It seems like an educational blog which always some new information to visitors and Enjoying every little bit of it and I have you bookmarked to check out new stuff you blog post.

Reply
partytent huren flevoland link
8/9/2014 03:14:59 am

I have no words to appreciate this post ..... I'm really impressed with this post .... the person who created this post was a big thank you man .. for sharing with us.

Reply
partytent huren helmond link
8/20/2014 01:17:17 am

I would very much like to agree with the previous commenter! I find this blog really useful for my uni project. I hope to add more useful posts later.

Reply
verhuisbedrijf hoorn link
11/18/2014 10:39:14 pm

I would like to say thank for sharing this great article. We can’t get this kind of information from

Reply
verhuisbedrijf gouda link
12/8/2014 02:54:18 pm

Sometimes it is very hard to find good content on this topic. But your blog is my way to desired information, my problem is solved now. Thanks for posting something worth reading.

Reply
Buy Percocet online link
2/16/2015 01:55:14 am

I am also interested in this topic. I have spent a lot of time on searching this kind of topic. It is very informative.

Reply
buy hydrocodone online link
2/16/2015 06:18:21 am

I got here much interesting stuff. The post is great Thanks for sharing it

Reply
retail consultancy link
3/6/2015 02:17:27 am

If you continuously share this kind of information daily you will blow my mind.

Reply
buy phentermine online link
3/6/2015 02:18:35 am

I must admit that you share one of the best information I have read.

Reply
ma-dissertations.com link
4/27/2015 08:00:24 pm

Thanks many times for this contribution! In general, every statement in a dissertation must be supported either by a reference to published scientific literature or by original work.

Reply
american essay writing service link
5/5/2015 07:06:58 pm

This is quite a burning issue of nowadays society, I am very grateful to you, guys! Thank you for the outstanding paper.

Reply



Leave a Reply.

    Author

    Jason Edelman, Founder of Network to Code, focused on training and services for emerging network technologies. CCIE 15394.  VCDX-NV 167.


    Enter your email address:

    Delivered by FeedBurner


    Top Posts

    The Future of Networking and the Network Engineer

    OpenFlow, vPath, and SDN

    Network Virtualization vs. SDN

    Nexus 7000 FAQ

    Possibilities of OpenFlow/SDN Applications 

    Loved, Hated, but Never Ignored #OpenFlow #SDN

    Software Defined Networking: Cisco Domination to Market Education

    OpenFlow, SDN, and Meraki

    CAPWAP and OpenFlow - thinking outside the box

    Introduction to OpenFlow...for Network Engineers


    Categories

    All
    1cloudroad
    2011
    2960
    40gbe
    7000
    Arista
    Aruba
    Big Switch
    Brocade
    Capwap
    Christmas
    Cisco
    Controller
    Data Center
    Dell Force10
    Embrane
    Extreme
    Fex
    Hadoop
    Hp
    Ibm
    Isr G2
    Juniper
    Limited Lifetime Warranty
    Meraki
    Multicast
    N7k
    Nexus
    Nicira
    Ons
    Opendaylight
    Openflow
    Openstack
    Presidio
    Qsfp
    Quick Facts
    Routeflow
    Sdn
    Sdn Ecosystem
    Security
    Ucs


    Archives

    May 2015
    April 2015
    February 2015
    January 2015
    December 2014
    November 2014
    October 2014
    September 2014
    August 2014
    June 2014
    May 2014
    March 2014
    February 2014
    January 2014
    December 2013
    November 2013
    October 2013
    September 2013
    August 2013
    July 2013
    June 2013
    May 2013
    April 2013
    March 2013
    February 2013
    January 2013
    December 2012
    November 2012
    October 2012
    June 2012
    May 2012
    April 2012
    March 2012
    February 2012
    January 2012
    December 2011
    November 2011


    RSS Feed


    View my profile on LinkedIn
Photo used under Creative Commons from NASA Goddard Photo and Video