PPT-Software-defined networking:

Change is hard Ratul Mahajan with ChiYao Hong Rohan Gandhi Xin Jin Harry Liu Vijay Gill Srikanth Kandula Mohan Nanduri Roger Wattenhofer Ming Zhang InterDC WAN A critical expensive resource. OpenFlow and Frenetic. Mohamed Ismail. Background. Problem:. Programming Networks is Hard. 3. /39. Network Stack Pros. Key to the success of the Internet. Layers . and layers of abstraction. Independent . COMS 6998. -10, . Fall . 2014. Instructor: Li Erran Li (. lierranli@cs.columbia.edu. ). http://www.cs.columbia.edu/~lierranli/coms6998-10SDNFall2014/. 11/. 24/. 2014: SDN . Middleboxes. . and. NFV. COMS 6998-10, Fall 2014. Instructor: Li . Erran. Li (. lierranli@cs.columbia.edu. ). http://www.cs.columbia.edu/. ~lierranli/coms6998-10SDNFall2014/. 9. /22/2014: SDN Scalability. Outline. Homework 1 due Oct 1. A PAIN?. What do you think of when you hear ‘Networking’ or ‘Sales’?. My precious TIME is being wasted.. It won’t help us make our numbers.. I need to get some ‘real work’ done.. . . Hakim Weatherspoon. Associate Professor, . Dept. of Computer Science. CS 5413: High Performance Computing and Networking. March 20, 2017. Slides taken liberally from Jennifer Rexford’s Computer Networks, COS 461 http. Lecture#1. Introduction. Introduction. Traditional IP networks are . Complex and hard to manage . [1]. Network operator need to configure each individual network device separately using low-level and often vendor-specific commands. Steve Oakley. Enterprise Solutions Consultant - Dell. September 2015. Change:. The only constant. 2009. 2014. The future. Internet users worldwide. Tweets per day. Size of the. digital universe. 25%. Don Scipioni. KC4RCG. 03APR 2013. Agenda:. Software Defined Radio (SDR) Concepts. Examples of SDR Products. Free (open source) Software. Examples of SDR in Use. A software-defined radio system, or SDR, is a radio communication system where components that have been typically implemented in hardware (. Antti. . Palosaari. , Eric Fry and . Osmocom.  it was found that the signal I/Q data could be accessed directly, which allowed the DVB-T TV tuner to be converted into a wideband software defined radio via a new software driver.. With SDN, new vulnerabilities open up in the form of malware, ransomware and viral worms due to direct Internet access. This direct Internet access does not fall under the existing network security. VarthagamSoft - India\'s best ERP software provider A brief introduction. SDN promises and challenges. What is “software defined?”. “Software defined” becomes . a very . popular . word . lately. Software defined networking, software defined storage, software defined radio, etc.. OpenFlow and Frenetic. Mohamed Ismail. Background. Problem:. Programming Networks is Hard. 3. /39. Network Stack Pros. Key to the success of the Internet. Layers . and layers of abstraction. Independent . Software Defined Network:. Today’s Class. Drawbacks of current Networking Paradigms . Motivation for SDN. SDN!!!!!. OpenFlow. : A common SDN API. SDN challenges and Use-cases. SDN EcoSystem. Arista.