$1.$Eucalyptus

$2.$nimbus

$3.$open nebula

$4.$cloud sim

$5.$Google cloud $6.$Amazon cloud

$7.$IBM

$8.$Microsoft Azure

$9.$Salesforce

$10.$AWS

Discuss about all these clouds in terms of their IAAS $,$PAAS and SAAS services $.$

Also discuss their features and usage using which I can identify specific cloud $.$

For example $,$ there's an organisation which has branches all over the world $.$it wants to communicate with all branches $.$which cloud should it use?

Ans:We should use AWS for connectivity then

Similarly for best integrity we should use Microsoft Azure

Tell distinctive features of each cloud like these.

$($ This is for my exam preparation. So your answers should be really informative and helpful for exam preparation$).$