EC2 instance types s exact network performance

Question

I cannot find exact network performance details for different EC2 instance types on Amazon  Instead  they are only saying    High Moderate Low   What does this even mean  I especially want to know the exact amount of Traffic-OUT on each instance type   I need to do live streaming and my stream bit rate will be 240kbps  So I need to know which instance type can handle how many concurrent viewers

User · Answer

FWIW CloudFront supports streaming as well  Might be better than plain streaming from instances

User · Answer

Bandwidth is tiered by instance size  here s a comprehensive answer   For t2 m3 c3 c4 r3 i2 d2 instances    t2 nano         Based on the scaling factors  I d expect 20-30 MBit s  t2 micro    70 MBit s  qiita says 63 MBit s  - t1 micro gets about  100 Mbit s t2 small    125 MBit s  t2  qiita says 127 MBit s  cloudharmony says 125 Mbit s with spikes to 200  Mbit s    medium   t2 medium gets 250-300 MBit s  m3 medium  400 MBit s   large    450-600 MBit s  the most variation  see below    xlarge   700-900 MBit s   2xlarge    1 GBit s  - 10    4xlarge    2 GBit s  - 10    8xlarge and marked specialty   10 Gbit  expect  8 5 GBit s  requires enhanced networking  amp  VPC for full throughput   m1 small  medium  and large instances tend to perform higher than expected   c1 medium is another freak  at 800 MBit s   I gathered this by combing dozens of sources doing benchmarks  primarily using iPerf  amp  TCP connections   Credit to CloudHarmony  amp  flux7 in particular for many of the benchmarks  note that those two links go to google searches showing the numerous individual benchmarks    Caveats  amp  Notes   The large instance size has the most variation reported    m1 large is  800 Mbit s       t2 large    500 MBit s c3 large    500-570 Mbit s  different results from different sources  c4 large    520 MBit s  I ve confirmed this independently  by the way  m3 large is better at  700 MBit s m4 large is  445 Mbit s r3 large is  390 Mbit s   Burstable  T2  instances appear to exhibit burstable networking performance too    The CloudHarmony iperf benchmarks show initial transfers start at 1 GBit s and then gradually drop to the sustained levels above after a few minutes  PDF links to reports below  t2 small  PDF  t2 medium  PDF  t2 large  PDF    Note that these are within the same region - if you re transferring across regions  real performance may be much slower   Even for the larger instances  I m seeing numbers of a few hundred MBit s

User · Answer

Almost everything in EC2 is multi-tenant  What the network performance indicates is what priority you will have compared with other instances sharing the same infrastructure    If you need a guaranteed level of bandwidth  then EC2 will likely not work well for you

[amazon-ec2] EC2 instance types's exact network performance?

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