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1. Software-Defined Networks (SDN) is a new paradigm in network management that adds another layer (i.e., Network Operating System) to the architecture. Answer the following questions in the context of SDN with your reasoning.
(a) Is it scalable? Why?(b) Is it less responsive? Why?(c) Does it create a single point of failure? Why?(d) Is it inherently less secure? Why?(e) Is it incrementally deployable? Why?
2. RED randomly drops packets when it experience congestion. The probability of drop increases as the average queue size increases.
(a) Does it do a better job for uniform or bursty traffic? and why?(b) Does it drop packets from the head of the queue or from the tail of the queue? and why?(c) Does it make any difference; head/tail drop? and why?
3. Carefully read the short article OpenFlow: A Radical New Idea in Networking, and answer the following questions.
The author argues that the deployment of SDN in general and OpenFlow in specific towards network democratization is a crazy idea. Do you agree? If yes, how come SDN has been supported and being deployed by many networking vendors. If not, give one scenario that SDN could cause disruptions.
Advanced Business Systems (ABS) is a consulting and staffing company providing specialized staffing and consulting services to clients in a variety of different industries. It has offices in major U.S. metro areas and has ongoing relationships wit..
You are asked to produce a report that identifies NESES's new network requirements. You should suggest a network solution that demonstrates the appropriateness and suitability of your design.
Contrast the 3 basic network topologies (Bus, Ring, and Star)
Define throughput in regards to wireless network and use a practical method to measure throughput of a wireless network? You should provide any appropriate screenshots.
Use the Web to locate two disaster recovery services that could be used by a small business such as Dirt Bikes. Compare them in terms of the services they offer.
Watch the "Zappos" video at the text Companion website (your access code packaged with the textbook). What are five important points, or "take aways" that you learned from watching the video?
Sketch the FSM specification for this protocol (one FSM for X, one for Y, and one for Z). udtsend() function must include name of recipient.
The Wireless Technology Company (WTC), a company that assists organizations and businesses with issues involving network planning and design, has hired you as a consultant.
1.consider a desktop publishing system used to produce documents for various organizations. give an example in which
Discuss routing algorithms, quality of service, and reliable packet delivery. Devote two or more pages to each topic in your unified submission. Include graphics for each section.
Based on the Barr (2010) article, Windows Azure provides a Windows-based environment for running applications and storing data on servers in Microsoft data centers. How can Azure be used as a substitute for on-premises disk management
If 30% of instructions need one memory access and another 5% need two memory accesses per instruction, determine the performance of upgraded processor with compatible instruction set.
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