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작성자슈퍼스타K 조회 101회 작성일 2020-08-02 10:36:49 댓글 0

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Introduction to SDN (Software-defined Networking)

Introduction to SDN (Software-defined Networking).
Twitter: @davidmahler
LinkedIn: https://www.linkedin.com/in/davidmahler

Links:
Introduction to OpenFlow:

Open Networking Foundation: https://www.opennetworking.org/

Reference Paper:
Software-Defined Networking: A Comprehensive Survey
http://arxiv.org/abs/1406.0440
Omar Fayyad : Thank you. Great explanation and analogies throughout!
areej alabbas : hi ,I need Online tutor for SDN/openFlow
Yajuvendra Rawat : everytime i have to refresh SDN, i search for SDN + David Mahler, just added you in linked in.
Anil Sah : Thanks . Could you please provide the paper have mentioned?
Thibaut Foubert : Wow, that was really clear and helpful ! Thanks a lot
Aditya Raut : God bless u .... people like you make this world a better place
W. Maximillian de Johnsonbourg : Very informative video...!!!!!.
Susan Asher : David, thanks so much for this video. It has helped me a great deal. I hope you make more videos. I have one request: Please speak slower. It's difficult to understand new information, especially when someone speaks fast. But this is still a great video.
T : That was so useful! Thank you!
T.J. Barros. : .... Congratulations on the tutorial, David ...+ 1 like here !! .... One question only, is it possible to change the response when a request is made to a network recursive DNS Server, changing response IP to IP from another machine on the network (redirecting to another gateway, my network intend to put 2 gateway)? ....Thank you very much !! ...

What is software-defined networking (SDN)?

A graphical look at the technology behind software-defined networking (SDN)


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priya s : its very good brief video...but it bit fast if u really learning as a student..
Pablo Mora : okay...but what is software-defined networking? Vague video
Sam : So at 1:35, if I understand correctly, you’re saying that hackers STILL where fedoras? Some things never change!
Jiun-Jung Lin : In recent years, software defined networking, or SDN, has emerged as the next big thing in the networking industry, given all the hype, where are we now?

Researchers at Stanford are credited with creating the idea of bringing the tenets of virtualization to networking and thus creating the software defined networking market.

Traditional networking uses integrated hardware and software to direct traffic across a series of routers and switches.

The original use case for SDN was to virtualize the network by separating the control plane that manages the network from the data plane where traffic flows.

There's a smart controller running specialized software that manages all network traffic in the data center, and a series of robberies and switches that forward packets of traffic.

Virtualizing the network comes with advantages:
Networks can be spun up and down dynamically, they can be fine tuned for specific application use cases, and security policies can be installed on each individual network.

Today, the SDN market has evolved, and it's breaking out of the data center.

SDN was being used in the Wide Area Network to control how enterprises connect to their branch offices.

This use case, called SD-WAN, uses software to aggregate multiple types of network connections, such as broadband, MPLS or wireless to create strong and cost effective connections.

Micro segmentation is the idea of using SDN for security.

Certain networks can be ultra secure and carry sensitive data.

Other networks can be public facing.

So, if a hacker gets into a public facing Web server, they are restricted to the service segment of the network.

This formats the hacker's ability taxed as any other segments, such as secure data center networks.

SDN is also used in an area called network function virtualization or NFV.

This is the idea of a place in specialized hardware like fire walls in load balances with software running on off-the-shelf server hardware.

Some vendors are using SDN to connect data centers to public Cloud providers, creating a hybrid cloud network that includes her segmentation or dynamic scaling abilities.

Other SDNs could be used to help manage the deluge of traffic from the Internet of Things, segmenting network traffic and helping to organize the data.

SDN has evolved from a specific use case to being applied to many different areas of networking, both within the data center out the Cloud, and in the new world of IoT.

As software is used to control the network, if becomes more agile and easier to manage, and it's ready to adapt to whatever use cases emerging in the future.
T.J. Barros. : .... Congratulations on the tutorial, Friend + 1 like here !! .... One question only, is it possible to change the response when a request is made to a network recursive DNS Server, changing response IP to IP from another machine on the network (redirecting to another gateway, my network intend to put 2 gateway)? ....Thank you very much !! ...
sreeji sreenivasan : vague
AmatAlwahab Alabarah : You are not defining the SDN, youare simply listing its uses. Stupid explanation
equitable word كلمة سواء : thanks tones
mtxpert : You sound exactly like the red headed guy with the pony tail that does all the funny videos on facebook...
Gunga Jim : Superb - thanks! What software do you use to make these great videos?

3. Introduction to SDN (Software defined network) - SDN and Openflow Architecture

http://telecomtutorial.info

Covering Introduction \u0026 Tutorial for SDN (Software defined network) and Openflow Architecture in Telco Networks . Covering Difference between NFV \u0026 SDN or How they work . Both architectures use network abstraction, they do so differently. SDN forwards data packets from one network device to another. SDN's networking control functions are used for flexible routing of data / ip packets

- SDN : Software defined network : Introduction \u0026 Basics
- Why we need SDN \u0026 Features of SDN
- SDN Role in Data and Forwarding Plane , Control Plane \u0026 Management Plane
- SDN Framework \u0026 Architecture
- Openflow Architecture
- Need of SDN

Connect Me @ Linkedin : www.linkedin.com/in/vikas-shokeen

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Music by Joakim Karud http://youtube.com/joakimkarud
Free HD Stock-Footage and Motion Graphics by CyberWebFX : https://www.youtube.com/c/CyberWebFX
Faiz Ali : 7:18 you said if D goes bad, A will never come to know. You are wrong. The way EIGRP and OSPF works, every router has the entire network topology. And if any router goes bad, the existing routers will compute new route and broadcast to entire network.
Yogesh Sharma : We need 5g call flow video related to paco,thanks
Jyoti Hedaoo : superb sir, very nice way to understand network.
Like ur way of teaching.
milind gade : Superb....crystal clear explaination !!
Pankaj Kumar : Very knowledgeable content
Anup Chakrabarty : Excellent presentation delivered ....Thank You very much for each clarification
Алексей Кузьмин : Bullshit
Sathyaa narayanan : Wouldn’t if the router goes down, the advertisement stops and post the timer runout, the route will be removed from all router ?
I’m still confused why the centralized approach will give advantage over the current one .
Shri Rama : Thank you very much for this tutorials, truly helped me to understand the basics very clearly as i'm beginner. Thank you again.
Rafael Perez De La Calle : Hi Vikas, great work!! congrats!!

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