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Regard as hierarchical network of data centers networks and suppose that data center needs to support e-mail and video distribution among other applications. Assume 4 racks of servers are reserved for e-mail and four racks are reserved for video. For each of application, all 4 racks must lie below a single tier-2 switch since the tier-2to tier-1 links do not have sufficient bandwidth to support intra-application traffic. For the e-mail application, suppose that for 99.9% of the time only three racks are used, and that the video application has identical usage patterns.
a. For what fraction of time does e-mail application need to use a fourth rack?
b. assume e-mail usage and video usage are independent, for what fraction of time do (equivalently, what is the probability that) both applications need their fourth rack?
c. assume that it is acceptable for an application to have a shortage of servers for 0.001 percent of time or less (causing rare periods of performance degradation for users). Discuss how the topology can be used so that only 7 racks are collectively assigned to the 7 applications (assuming that the topology can support all the traffic).
Specify how Google has made it possible for you to have access to the information you have gathered from Internet without your own computer? Provide at least two specific examples and benefits of utilizing the Google.
computer architectureinput devicesnbspwrite a two to three 2 page paper in which youcompare how the gestures data is
REA is an acronym for Entities, Resources, and Agents. REA data modelling does not involve the traditional accounting elements like ledgers, chart of accounts, debits and credits.
design class called Dog which keeps track of the dog's name, breed, age, and license fee. The license fee will be a set amount: $12.25, since you only need one copy of this in memory, make it static. Include a method which prompts a user to set th..
Now that you have a normal plan and have identified the information that you need for this program, you feel you are ready to start development. You told your uncle that you would need to purchase software for this program. Since your uncle is in ..
bluesky systems is a software development company that builds software components for a variety of private and
How we may leverage business intelligent to generate meaningful information and decision making systems in order to help the keep cost and the profits.
select one security issue (e.g., payment security, customer privacy, and reliability) related to eCommerce systems. Which security technologies could be used to build a secure eCommerce system.
How many register windows must be saved to memory.
What is online analytical processing system
questiona i. what are the main differences give three for each between message-passing and shared-address-space
suppose we have a network of nodes connected via point to point links, and a source S sends a message that will be broadcast to all nodes using Reverse-Path-Flooding. Assume that routers do not keep track of broadcast messages they have seen earli..
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