Engineering, 15.05.2020 05:57 boomerjm

Suppose a client host tries to detect the number of servers in a cloud computing data center. The client observes that the IP protocol stamps a certain sequence ID number (SIN) on each IP packet. The SIN of the first packet generated by a server is a random number starting from 6000, and SINs of the next packets are sequentially assigned. Assume all IP packets constructed by servers behind NAT are sent to the outside world beyond the data center. Recall that NAT in a data center is incorporated in the load balancer

(a) Assuming you can sniff all packets transmitted by NAT to the outside, present an algorithm that detects the number of unique servers behind the NAT/load balancer.
(b) Reconsider the conditions presented in part (a), this time considering that the SINs are not sequentially assigned.
(c) If the number of servers is substantially large, which is the case in practice, comment on how efficient your algorithm executes the objectives of the algorithm.

Answers: 1

Show answers

Another question on Engineering

Engineering, 03.07.2019 15:10

Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.

Answers: 1

Answer

Engineering, 04.07.2019 18:10

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

Answers: 2

Answer

Engineering, 04.07.2019 18:20

A2-m rigid tank initially contains saturated water vapor at 100 kpa. the tank is connected to a supply line through a valve. steam is flowing in the supply line at 600 kpa and 300 c. the valve is opened, and steam is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. a thermometer placed in the tank indicates that the temperature at the final state is 200°c. determine (a) the mass of steam that has entered the tank (b) the amount of heat transfer.

Answers: 3

Answer

Engineering, 04.07.2019 19:10

With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.

Answers: 1

Answer

You know the right answer?

Suppose a client host tries to detect the number of servers in a cloud computing data center. The cl...

Questions