ping.toml

#
# This file is part of the IC2E '23 Celestial demo
# (https://github.com/OpenFogStack/celestial-ic2e-demo).
# Copyright (c) 2023 Tobias Pfandzelter, The OpenFogStack Team.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#

# the satellite orbital model to use
# options are "SGP4" and "Kepler"
# SGP4 is more accurate, but complex to understand
# Kepler uses circular orbits and is less accurate
model = "SGP4"

# the bounding box of our simulation
# only satellites within that bounding box are emulated
# use a tool such as bboxfinder.com to find the coordinates
# format is [minlat, minlong, maxlat, maxlong]
bbox = [-90, -180, 90, 180]
# how often to update the simulation
interval = 1
# whether to show an animation
animation = true
# host IP addresses
# put your own IP address here!!
hosts = ["34.118.139.241:1969"]
peeringhosts = ["192.168.10.3:1970"]
# whether to use a database
database = false

# params to pass to SGP4
[sgp4params]
# in this case we need a start date
# normally you can also just use 0 for Keplerian orbits
starttime = 2023-09-01T12:00:00+00:00

# network parameters
[networkparams]
# the speed of light in m/s
islpropagation = 3.336e-6
# the bandwidth of the ISLs in bits/s
bandwidth = 10_000
# how low a laser ISL can go over the ground
mincommsaltitude = 80_000
# minimum elevation of a satellite over the horizon
minelevation = 10
# speed of light in m/s
gstpropagation = 3.336e-6
# how a ground station connects to satellites
groundstationconnectiontype = "all"

# default compute parameters for the satellite servers
# this can be overridden on a per-shell basis
[computeparams]
# we want to emulate a single core
vcpu_count = 1
# 512 MiB of RAM
mem_size_mib = 512
# 10 MiB of disk space
disk_size_mib = 10
# do not use hyperthreading
ht_enabled = false
# boot parameters to pass to the kernel
# this is used to enable the random number generator of the host
# that speeds up microVM boot time
bootparams = "random.trust_cpu=on"
# the kernel to use
# note that in our example, this kernel already exists on the host
# compiling your own kernel is really easy, though!
kernel = "vmlinux.bin"
# the root filesystem to use
rootfs = "server.img"

# these are our constellation shells
# there can be multiple of them
[[shell]]
# number of orbital planes
planes = 6
# number of satellites per plane
sats = 11
# altitude of the satellites in km
altitude = 781
# inclination of the satellites in degrees
inclination = 86.4
# right ascension of ascending node in degrees
# this is 360 degrees for walker delta constellations (Starlink)
# and 180 degrees for walker star constellations (Iridium)
arcofascendingnodes = 180.0
# eccentricity of the orbit
# 0.0 is a circular orbit
# 0.0 < e < 1.0 is an elliptical orbit
# e = 1.0 is a parabolic orbit
eccentricity = 0.0

# a ground station to add
[[groundstation]]
name = "boston"
lat = 42.350183
long = -71.097765

# override some parameters for this ground station
[groundstation.computeparams]
vcpu_count = 4
mem_size_mib = 4096
disk_size_mib = 100
rootfs = "ping.img"