<s>
The	O
following	O
is	O
a	O
comparison	O
of	O
cloud-computing	B-Architecture
software	O
and	O
providers	O
.	O
</s>
<s>
Provider	O
Rank	O
of	O
parent	O
domain	O
Launched	O
Block	O
storage	O
Assignable	O
IPs	O
SMTP	O
support	O
IOPS	O
Guaranteed	O
minimum	O
Locations	O
Notes	O
Google	B-General_Concept
Cloud	I-General_Concept
Platform	I-General_Concept
cloud.google.com	O
at	O
Alexa	O
2013	O
SMTP	O
at	O
Google	O
compute	O
us	O
,	O
jp	O
,	O
cn	O
,	O
be	O
,	O
uk	O
,	O
de	O
,	O
au	O
,	O
in	O
,	O
br	O
,	O
sg	O
,	O
fi	O
Mandatory	O
components	O
use	O
up	O
to	O
12%	O
of	O
RAM	O
.	O
</s>
<s>
SMTP	O
blocked.Oracle	O
Cloud	O
Infrastructure	O
go.oracle.com	O
at	O
Alexa	O
2014	O
us	O
,	O
ca	O
,	O
br	O
,	O
de	O
,	O
uk	O
,	O
nl	O
,	O
ch	O
,	O
in	O
,	O
aus	O
,	O
jp	O
,	O
kr	O
,	O
saud	O
Amazon	B-Application
Web	I-Application
Services	I-Application
aws.amazon.com	B-Application
at	O
Alexa	O
2006	O
Restriction	O
on	O
port	O
25	O
at	O
AWS	B-Application
us	O
,	O
ca	O
,	O
br	O
,	O
ie	O
,	O
de	O
,	O
uk	O
,	O
cn	O
,	O
sg	O
,	O
au	O
,	O
jp	O
,	O
kr	O
,	O
in	O
,	O
za	O
,	O
fr	O
,	O
se	O
,	O
bh	O
,	O
hk	O
,	O
it	O
List	O
of	O
bugsAmazon	O
bugs	O
at	O
Ubuntu	O
IBM	B-General_Concept
Cloud	I-General_Concept
ibm.com	O
at	O
Alexa	O
2005	O
SMTP	O
at	O
IBM	O
us	O
,	O
gb	O
,	O
fr	O
,	O
de	O
,	O
nl	O
,	O
in	O
,	O
au	O
,	O
hk	O
,	O
kr	O
,	O
it	O
,	O
jp	O
,	O
no	O
,	O
sg	O
Microsoft	B-Application
Azure	I-Application
azure.microsoft.com	O
at	O
Alexa	O
2010	O
SMTP	O
at	O
Azure	O
ca	O
,	O
us	O
,	O
br	O
,	O
ie	O
,	O
nl	O
,	O
de	O
,	O
uk	O
,	O
cn	O
,	O
au	O
,	O
jp	O
,	O
in	O
,	O
kr	O
,	O
sg	O
,	O
hk	O
,	O
za	O
List	O
of	O
bugsAzure	O
bugs	O
at	O
Ubuntu	O
Ridge	O
Cloud	O
ridge.co	O
at	O
similarweb	O
2018	O
ae	O
,	O
ar	O
,	O
au	O
,	O
at	O
,	O
be	O
,	O
br	O
,	O
bg	O
,	O
bl	O
,	O
ca	O
,	O
cn	O
,	O
cz	O
,	O
de	O
,	O
dk	O
,	O
do	O
,	O
ee	O
,	O
fi	O
,	O
fr	O
,	O
gr	O
,	O
hk	O
,	O
hu	O
,	O
ie	O
,	O
in	O
,	O
id	O
,	O
il	O
,	O
it	O
,	O
jp	O
,	O
kz	O
,	O
kr	O
,	O
lt	O
,	O
ma	O
,	O
mx	O
,	O
nl	O
,	O
no	O
,	O
nz	O
,	O
pe	O
,	O
ph	O
,	O
pl	O
,	O
pt	O
,	O
qa	O
,	O
ro	O
,	O
ru	O
,	O
sa	O
,	O
sg	O
,	O
se	O
,	O
tw	O
,	O
th	O
,	O
tr	O
,	O
uk	O
,	O
us	O
,	O
za	O
GoDaddy	O
GoDaddy.com	O
at	O
Alexa	O
2016	O
Rackspace	O
www.rackspace.com	O
at	O
Alexa	O
1998	O
us	O
,	O
au	O
,	O
hk	O
root	O
volume	O
is	O
a	O
fixed	O
size	O
OVH	B-General_Concept
ovh.com	O
at	O
Alexa	O
1999	O
au	O
,	O
ca	O
,	O
de	O
,	O
fr	O
,	O
gb	O
,	O
pl	O
,	O
us	O
,	O
sg	O
Atlantic.Net	O
www.atlantic.net	O
at	O
Alexa	O
2010	O
us	O
,	O
uk	O
,	O
ca	O
Scalewayscaleway	O
in	O
the	O
news	O
as	O
IaaS	O
scaleway.com	O
at	O
Alexa	O
2016	O
SMTP	O
at	O
Scaleway	B-General_Concept
fr	O
,	O
nl	O
Alibaba	B-General_Concept
Cloud	I-General_Concept
alibaba.com	O
at	O
Alexa	O
2009	O
cn	O
,	O
hk	O
,	O
sg	O
,	O
au	O
,	O
my	O
,	O
id	O
,	O
in	O
,	O
jp	O
,	O
us	O
,	O
de	O
,	O
uk	O
,	O
ae	O
Hetzner	O
Cloud	O
hetzner.com	O
at	O
Alexa	O
de	O
,	O
fi	O
,	O
us	O
Safe	B-General_Concept
Swiss	I-General_Concept
Cloud	I-General_Concept
safeswisscloud.com	O
at	O
Alexa	O
2013safeswisscloud	O
at	O
Internet	O
Archive	O
ch	O
DigitalOcean	B-Application
digitalocean.com	O
at	O
Alexa	O
2016DigitalOcean	O
launches	O
block	O
storage	O
and	O
lets	O
you	O
store	O
terabytes	O
of	O
data	O
at	O
techcrunch	O
sg	O
,	O
nl	O
,	O
uk	O
,	O
ca	O
,	O
de	O
,	O
in	O
SMTP	O
for	O
accounts	O
older	O
than	O
60	O
daysSMTP	O
policy	O
at	O
digitalocean	B-Application
but	O
they	O
use	O
spam	O
mandrillapp	O
servers	O
.	O
</s>
<s>
SaaS	O
(	O
Software	O
as	O
a	O
Service	O
)	O
Initial	O
release	O
date	O
License(s )	O
Written	O
in	O
As	O
a	O
service	O
Local	O
installations	O
fluid	O
Operations	O
eCloudManager	O
2009-03-01	O
Proprietary	B-Application
Java	B-Language
,	O
Groovy	O
AppScaleUrquhart	O
,	O
James	O
(	O
June	O
22	O
,	O
2009	O
)	O
.	O
</s>
<s>
2009-03-07	O
Apache	B-Application
License	I-Application
Python	B-Language
,	O
Ruby	B-Language
,	O
Go	B-Application
Cloud	B-General_Concept
Foundry	I-General_Concept
2011-04-12	O
Apache	B-Application
License	I-Application
Ruby	B-Language
,	O
C	O
,	O
Java	B-Language
,	O
Go	B-Application
Cloud.com	O
/	O
CloudStackHarris	O
,	O
Derrick	O
Harris	O
(	O
October	O
22	O
,	O
2010	O
)	O
.	O
</s>
<s>
"	O
Microsoft	O
Joins	O
OpenStack	B-Application
to	O
Add	O
Hyper-V	O
Support.	O
"	O
</s>
<s>
2010-05-04	O
Apache	B-Application
license	I-Application
Java	B-Language
,	O
C	O
EucalyptusPrickett	O
Timothy	O
M	O
.	O
(	O
May	O
10	O
,	O
2011	O
)	O
.	O
</s>
<s>
"	O
Ubuntu	O
eats	O
OpenStack	B-Application
for	O
clouds	O
-	O
Eucalyptus	B-General_Concept
leaves.	O
"	O
</s>
<s>
2008-05-29	O
Proprietary	B-Application
,	O
GPL	B-License
v3	O
Java	B-Language
,	O
C	O
Flexiant	O
Limited	O
2007-01-15	O
Proprietary	B-Application
software	I-Application
Java	B-Language
,	O
C	O
Nimbus	B-General_Concept
2009-01-09	O
Apache	B-Application
License	I-Application
Java	B-Language
,	O
Python	B-Language
OpenNebulaEuropean	O
Commission	O
Expert	O
Group	O
Report	O
(	O
January	O
26	O
,	O
2010	O
)	O
.	O
</s>
<s>
"	O
The	O
Future	O
of	O
Cloud	B-Architecture
Computing	I-Architecture
"	O
2008-03-	O
??	O
</s>
<s>
Apache	B-Application
License	I-Application
C++	O
,	O
C	O
,	O
Ruby	B-Language
,	O
Java	B-Language
,	O
Shell	O
script	O
,	O
lex	O
,	O
yacc	O
OpenQRM	B-General_Concept
"	O
OpenQRM	B-General_Concept
Enterprise	O
Architecture	O
(	O
February	O
24	O
,	O
2010	O
)	O
2008-03-	O
??	O
</s>
<s>
GPL	B-License
License	I-License
C++	O
,	O
PHP	B-Application
,	O
Shell	O
script	O
OpenShift	B-General_Concept
2011-05-04	O
Apache	B-Application
License	I-Application
Go	B-Application
OpenStack	B-Application
2010-10-21	O
Apache	B-Application
License	I-Application
Python	B-Language
OnApp	B-General_Concept
2010-07-01	O
Proprietary	B-Application
Java	B-Language
,	O
Ruby	B-Language
,	O
C++	O
oVirt	B-Language
2012-08-09	O
Apache	B-Application
License	I-Application
Java	B-Language
,	O
Python	B-Language
?	O
</s>
<s>
Software	O
Linux	O
FreeBSD	O
Windows	O
Bare	O
Metal	O
AppScale	B-Application
?	O
</s>
<s>
Cloud	B-General_Concept
Foundry	I-General_Concept
Cloud.com	O
/	O
CloudStack	O
Eucalyptus	B-General_Concept
Poul	O
Weiss	O
"	O
Youtube.com	O
install	O
instruction	O
for	O
node	O
cluster.	O
"	O
</s>
<s>
Flexiant	O
Limited	O
Nimbus	B-General_Concept
?	O
</s>
<s>
OpenNebula	B-Language
?	O
</s>
<s>
AppScale	B-Application
?	O
</s>
<s>
Cloud	B-General_Concept
Foundry	I-General_Concept
Yes	O
Cloud.com	O
/	O
CloudStack	O
?	O
</s>
<s>
Eucalyptus	B-General_Concept
?	O
</s>
<s>
FreeBSD	O
Nimbus	B-General_Concept
?	O
</s>
<s>
OpenNebula	B-Language
?	O
</s>
<s>
Any	O
guest	O
OS	O
supported	O
by	O
Xen	O
,	O
KVM	O
,	O
or	O
VMWare	O
OpenQRM	B-General_Concept
?	O
</s>
<s>
OpenShift	B-General_Concept
?	O
</s>
<s>
OpenStack	B-Application
OnApp	B-General_Concept
?	O
</s>
<s>
JumpBox	O
,	O
FreeBSD	O
oVirt	B-Language
?	O
</s>
<s>
Jelastic	B-General_Concept
?	O
</s>
<s>
Software	O
Amazon	B-General_Concept
EC2	I-General_Concept
Rackspace	O
GoGrid	B-General_Concept
Mail.Ru	O
(	O
MCS	O
)	O
Other	O
AppScale	B-Application
?	O
</s>
<s>
Cloud	B-General_Concept
Foundry	I-General_Concept
Yes	O
?	O
</s>
<s>
itself	O
Eucalyptus	B-General_Concept
?	O
</s>
<s>
Nimbus	B-General_Concept
?	O
</s>
<s>
itself	O
OnApp	B-General_Concept
?	O
</s>
<s>
itself	O
OpenNebula	B-Language
?	O
</s>
<s>
itself	O
OpenQRM	B-General_Concept
?	O
</s>
<s>
itself	O
OpenShift	B-General_Concept
?	O
</s>
