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Transmitting Endpoint bandwidth - the TOTAL bandwidth is 10 Gb/sec from the DKIST Data Center. A user should not expect to be able to pull data at this rate, as it is for all users.
Receiving Endpoint bandwidth (the location the data lands, which is subject to the network speeds at the location of the receiving endpoint). This may be completely out of the control of the user.
Receiving Endpoint storage Write speed.
Sample Download Times
Data Size |
|---|
Transmitting Endpoint bandwidth
Receiving Endpoint bandwidth
Receiving Endpoint storage Write speed
Receiving Endpoint bandwidth(A) | Approximate Download time | |
|---|---|---|
250 GB | 250 Mb/s (See note 1.) | 16m 40s |
500 GB | 250 Mb/s | 33m 20s |
1 TB | 250 Mb/s | 66m 40s |
5 TB | 250 Mb/s | 5h 33m |
10 TB | 250 Mb/s | 11h 6m |
25 TB | 250 Mb/s | 27h 47m |
250 GB | 1 Gb/s (See note 2.) | 4m 10s |
500 GB | 1 Gb/s | 8m 20s |
1 TB | 1 Gb/s | 16m 40s |
5 TB | 1 Gb/s | 1h 23m |
10 TB | 1 Gb/s | 2h 46m |
25 TB | 1 Gb/s | 6h 55m |
250 GB | 10 Gb/s (See note 3.) (See note 4.) | 25s |
500 GB | 10 Gb/s | 50s |
1 TB | 10 Gb/s | 1m 40s |
5 TB | 10 Gb/s | 8m 20s |
10 TB | 10 Gb/s | 16m 40s |
25 TB | 10 Gb/s | 41m 40s |
(A) This table assumes you can get 100% of the receiving endpoint bandwidth. This will never happen! Therefore the times listed in the table will be underestimates and are included only as a rough guide to the user.
Typical download speed to a machine on a home internet.
Typical download speed to a machine on an office internet.
Possible download resource to an institution provided high speed end point or HPC center.
Assumes that for the sake of argument you could get every bit of the 10 Gb/s out of the DKIST DC.
If the transfer speed seems slow to you, please verify the download capability of the receiving endpoint as there is nothing the DKIST Data Center Archive can do to speed up the transmission. You can contact the cluster administrator about read and write speeds, or utilize a website such as Speedtest to check download rates of your machine.
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