p2p vs client server time

p2p-vs-clientserver.py

# -*- coding: utf-8 -*-
"""
Spyder Editor


"""

import plotly.offline as py
import plotly.graph_objs as go



#{F/u s, ,F/d min, ,NF/( u s + Σ u i )
def p2p(N, filesize, us, up, di): 
    return max(filesize/us, filesize/di, N*filesize/(us + sum(up)))

#NF/u s, ,F/d mi
def client_server(N, filesize, us, di):
     return max(N*filesize/us, filesize/di)
     
#    Consider distributing a file of F = 10 Gbits to N peers. The server has an upload rate of us =
#20Mbps, and each peer has a download rate of di = 1 Mbps and an upload rate of u. For N=10,
#100 and 1000 and u = 200Kbps, 600 Kbps and 1 Mbps 
def simulate():
    filesize = 10 * 1000 * 1000 #kilo bit
    us = 20 * 1000 #kilobit/s
    di = 1 * 1000 #kilobit/s
    numbers = [10, 100, 1000]
    upeers = [200, 600, 1000]
    tp2p = []
    tclient_server = []
    for i in range(0, len(numbers)):
        tp2p.append(p2p(numbers[i], filesize, us, [upeers[i]] * numbers[i], di))
        tclient_server.append(client_server(numbers[i], filesize, us, di))
    print(tp2p)
    print(tclient_server)
    
    trace0 = go.Scatter(
    x = numbers,
    y = tp2p,
    mode = 'lines+markers',
    name = 'p2p'
    )
    trace1 = go.Scatter(
        x = numbers,
        y = tclient_server,
        mode = 'lines+markers',
        name = 'client server'
    )    
    py.plot([trace0, trace1], filename='time in p2p and clinet server')