What are the top ten issues you must know about SDN--SDN?

What exactly is SDN? Although the concept has been fired for many years, no one has yet given a clear idea of it. On the internet also emerged a lot of excellent articles on SDN thinking, adhering to the "do high-quality content porter" idea,Sdnlab June collected some of the following articles to share with you. Make it possible to have a more stereoscopic understanding of SDN from a number of different perspectives.

1. think deeply about The core nature of SDN : back to the software-defined network from sdn=openflow
Author Centec Zhangwei @Centec ZhangweiInSDNfield, Weifeng always has a deep thinking, this article mainly discussesSDNThe essence of the fact that a lot of people touchSDNall very tangled in the combination of the first letter of the word, as the name implies but can not determine whether their thinking is correct, Weifeng always wrote his own attentionSDNFour stages of its understanding: fromSdn=openflowto theSDNof the three essential attributes, and then to a narrowSDN, GeneralizedSDN, hyper-generalizedSDN, and the last stage is back to theSDNThe literal software defines the network. Perhaps this article can solve the tangledSDNThe concept of a small partner is a lot of problems, but is his value just so?

2. the practice and thinking of SDN Landing: Find a solution with a problem, forget the definition.
This is also the Weifeng total work, echoing the core essence of the previous article, wrote about Sdn landed on the thinking, analysis of the application of SDN in different areas of the case, summed up the SDN Some resistance to the landing, but also specifically for The limitations of the OpenFlow analysis, and finally put forward their own recommendations on the floor of SDN. Weifeng Total wealth of work experience and knowledge so that this article is absolutely dry goods in the dry, remember to read more water oh.

3. Openflow/sdn Nature theory
Author Wang Jun isZTEchief Engineer of System Architecture Department, Zhongxing Communication Center Research Institute. The article is divided into three parts:SDNthe demand and driving force,SDNEssence,SDNgame. the SDNIt's not magical, it's fromITan inevitable need in the field is the past -Over the yearsITmore and more hardware, software to obtain functional flexibility is an inevitable trend. "Although the article is written in -years, but it is still of great reference value.

4. Rethinking SDN
This article is also from Wang Jun, introduced the two implementations of SDN- OpenFlow Full Control of the network architecture and some manufacturers introduced the device programmable architecture, analysis of the pros and cons of two ways, Combined with the game of industry chain , this paper analyzes the application scenarios of SDN, and finally introduces the application value of Data Center Sdn. The author makes a dialectical analysis of SDN from definition to implementation from a technical point of view , and must not be missed.

5. SDN Elephant
The author is the Yang Zewei of the Nanjing stack StrontiumYang Zewei-MESHSR，"technology can be thought of in a philosophical way.","KeepSDNLearning/Focus on the research, keeping the sensitivity to each technical direction", you have toSDNTo locate the essential attributes of the"if everything isSDN, thenSDNit's nothing.",the SDNArchitecture: SimilarPC's Open tiered architecture,Data Planegradually generalize,Control PlanefromData Planeseparate out, get rid of the previous protocol (function) stack, abstract and to achieve(logically) centralized, layering again inside the control plane:NOSand theApps ". Such wonderful content is indeed worth reading.

6. All right, SDN
Author @ kkblueUnity of knowledge and lineForSDNThe concept of the content, did not carry out the semantics. As a pragmatic and distinguished representative,KkTo be in touch withSDNthe small partners to provide a lot of advice, read the article will not have to look at the technical articles look at the head of the big feeling, although no voluminous toSDNto introduce, but all that is to knowGethere it is. As is said in the text"think rationally.SDN, be sure to keep a cool attitude, do not think that the revolution, you can get rid of the tradition, allSdnerare believing,SDNIt does change the status quo, but if you tell me what has changed, have you ever said that you understand? "and look at this series that you learn aboutSDN, rational ViewSDNthere might be a clearer way of thinking,don ' t wait, worth reading.

7. SDN and NFV?
author @ kkblue , with " for the human secluded couplets, the language is not surprising death endlessly " This sentence to describe kkblue God's style of personal feeling is more appropriate, perhaps the master is so, can be esoteric technical problems with such humorous words expressed, perhaps as Kk said , " tangled in the concept, Just the primary stage of learning, it is better to understand how to achieve the effect and the future development, seems to have some help for themselves . "

8. Jane Books SDN & NFV series articles
It is understood that the author is fromBigswitcha research and development expert, Wu Xin. He'sSDNhave a very unique understanding, think"any innovation at the bottom of the internet is top-down", "new demands that have stretched traditional networks, "SDNWhat the controller is doing ","SDNdo you want to take care of the physical switch,Proactive vs. Reactive, "Another big pit:SDN App Store, several articles expressed in humorous and humorous statements the author's ownSDN's view.

9. sdn talking about
Span style= "FONT-SIZE:16PX;" >      author of sdn pc ecosystem analogy, The present situation and problems of network equipment development are analyzed. From the characteristics of the information Center, the sdn sdn Centralized control can make a lot of network problems easier, and lists some

10. sdn FAQ
      This article sums up some questions about sdn FAQ for understanding sdn

What can we do for SDN ?
Author @ Beijing - Xiao Wu , everyone is talking about the technology of Sdn , but what can we do in Sdn ? Or is it noble to say what we can do for The development of SDN? Let Xiao Wu tell us what we can do for SDN , perhaps to find some research points.

Think of a website that has recently been abroadsearchsdnSee an introductionSDNthe topic, fromOpen,api-based,overlay-basedthree angles toSDNwas explained. There is one such sentence"which is the real SDN?" That depends to whom you ask – but based on current usage by the population at large and they all is. "here is a free link:What is ' real SDN '?

The article wrote here do not know that as a reader you have a clearer understanding of SDN, thank you very much for the internet to allow Sdnlab to find so many high-quality articles, but limited personal ability, There are many high-quality articles that could not be dug out. If you have a better article recommendation, you can contact with the sdnlab June @SDNLAB, this article will continue to improve the rich, if there is a wrong place also please criticize, welcome to polish.

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What are the top ten issues you must know about SDN--SDN?