How would you estimate the bandwidth of Gmail for a community in Mars?

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How would you estimate the bandwidth of Gmail for a community in Mars?

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WhisperAndy · Answer 1 · 2018-09-22T16:41:25+0000

Assumptions:

We are talking of a small colony on Mars with say 1000 people to begin with. If we are talking half the planet then calculations need to be different.

Gmail is the only email communication channel available on Mars as we don't have established networks and competition. Basically NASA has set Gmail to be the standard for email communication.

On Mars:

Average number of emails exchanged within the community per day: 5 community announcements and 5 personal emails. On earth I don't send more than 5 personal emails every day. So total 10 emails per day.

Size of email: Pure text runs less than 10KB but let's assume that every email has some kind of picture attachment that is optimized. So size of single email could be 200KB.

Total number of bytes: 200KB * 10 * 1000 = 2,000,000,000 bytes for intra Mars communication.

Those 1000 people have on an average 5 family members back home that they interact with daily. Let's assume one communication in and one out. So average 2 emails per day.

1000 * 5 * 2 * 200KB = 10,000 * 200,000 = 2,000,000,000 bytes between Mars and Earth for family.

These 1000 people have on an average 20 friends that they interact with twice a week. So that makes it 4 messages per week / per person. So 1000 * 4 * 20 / 7 = 1200 messages to friends on earth per day.

1200 * 200KB = 120,000,000 bytes per day.

Let's add up = 2B Mars community + 2B family + 120M friends.= 4.2 B bytes per day = 4.2 GB per day.

Please note: What they are looking for is GBPS. That is the measure of true bandwidth. My calculations go haywire when trying to convert to GBPS.

I am looking for a response to that.

Mohit Khatwani · Answer 2 · 2024-04-24T16:36:15+0000

How would you estimate the bandwidth of Gmail for a community in Mars?

When you say badwidth is it total bandwith or per email bandwidth ?
- Total bandwidth
Esitmate - metric in GB
Daily badwidth
what is the meaning of community
- let us assume it is 1/3 of population
Total population *1/3 = Community
Can we know what is population at mars ?
- its for you to figure out
Community in mars it is from specific country or world wide
- world wide
Does mars have the conditions to live ? right now and are there people going to live there
- ya it is somewhat

That right now SPACE X is a company from elion musk which is pllaning to send people on mars through various Rockets and its very expensive affair Total popolation of the world is 8 billion having said this , aservice like could be affordable to only top 5 % of the world

0.05 *8 = 0.4 million

0.4 million let us divide this to there segements

High Frequency - 10 emails days = 0.6 *0.4 = 24000

Mid frequency - 5 emails a day = 30 %, 0.3*0.4 = 12000

Low frequency - 2 emails day 10 % = 0.1*4 = 4000

Avg bandwidth per email is about 1 mb

high = 10 *1 = 10 *24000= 2,40,000

mid - 5*1 = 5 *12000 = 60,000

Low - 2*1 = 2 *4000 = 8000

total bandwidth = 308000/*1/3 = 102666 mb

1mb = 0.001 gb

102666*0.001 = 102 gb

santy · Answer 3 · 2024-04-19T07:28:27+0000

Lets imagine that this Mars community is a pilot program compromising of 1000 research scientists including their families , if it is a colony it can be lesser or more depending on the phase of the MARS program

Out of 1000 lets 100 of them are research scientists and rest are family members

lets say the rest of the 900 family members have 3 friends/extended family contacts on an average whom they want to keep in touch.

Lets say the research scientists send 3 emails per day which has average size of 1000 characters or around 100 kb and 50% of them have attachments of 2 mb average.

total bandwidth required for researchers per day is 0.1*100 + 2*50 mb = 110 bm

for rest of the family members it is 2700*0.05 mb + 30%*2700*1mb = 945mb

Total email size per day = 110+945 mb = 1145 mb

Network bandwidth required - 1145 mb in 1 day , i second 1145000/60*60*24 = 13 kb/per second bandwidth.

Havent accounted for growth.