1. A new website, Cougle, can only store and process an average of 5000 requests
ID: 3737399 • Letter: 1
Question
1. A new website, Cougle, can only store and process an average of 5000 requests at any specific time, where each request can be completed in approximately 5ms. How many requests/second can Cougle expect to process? 2. A network gateway receives packets at 375 packets per second (pps). The mean response time for each packet is 1ms. a) What it the gateway's utilization? b) What is the mean number of packets in the gateway? c) What is the average time a packet spends in the gateway? If the network wants to ensure the average time in the gateway is less than 100 (microseconds), what should be the response time of the gateway? d) How large should a buffer be to ensure that the probability of it overflowing is l than 0.01%? e) 3. Network is a TDM network with m users that can transmits pps. Each user sends packets at a rate of /m pps and each user's time slot is fVm pps. Network B is a statist multiplexed network with m users where each user shares the upps network and send packets at a rate of 2/m pps. Assuming both networks can be modeled as a M/M/1 que what is the average expected queueing delay for both networks? Which is better? 4. What's the ASN for WSU? University of Idaho? What IP space is associated with thes ASNs? 5. Consider the SDN OpenFlow network shown below and specify the flow table entrie s2 that implement this forwarding behavior. The desired forwarding behavior for datagrams arriving at s2 is as follows: .Any datagrams arriving on input port 1 from host h5 or h6 that are destined to hpExplanation / Answer
1second=1000ms
One request consumes 5ms
So in one second 200 requests can resolve
That means 1000millisecond /5millisecond=200
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