<s>
Fastly	B-General_Concept
is	O
an	O
American	O
cloud	B-Architecture
computing	I-Architecture
services	O
provider	O
.	O
</s>
<s>
It	O
describes	O
its	O
network	O
as	O
an	O
edge	B-Device
cloud	I-Device
platform	O
,	O
which	O
is	O
designed	O
to	O
help	O
developers	O
extend	O
their	O
core	O
cloud	O
infrastructure	O
to	O
the	O
edge	O
of	O
the	O
network	O
,	O
closer	O
to	O
users	O
.	O
</s>
<s>
The	O
Fastly	B-General_Concept
edge	B-Device
cloud	I-Device
platform	O
includes	O
their	O
content	B-Operating_System
delivery	I-Operating_System
network	I-Operating_System
(	O
CDN	B-Operating_System
)	O
,	O
image	O
optimization	O
,	O
video	O
and	O
streaming	O
,	O
cloud	O
security	O
,	O
and	O
load	O
balancing	O
services	O
.	O
</s>
<s>
Fastly	B-General_Concept
's	O
cloud	O
security	O
services	O
include	O
denial-of-service	O
attack	O
protection	O
,	O
bot	O
mitigation	O
,	O
and	O
a	O
web	B-Protocol
application	I-Protocol
firewall	I-Protocol
.	O
</s>
<s>
Fastly	B-General_Concept
's	O
web	B-Protocol
application	I-Protocol
firewall	I-Protocol
uses	O
the	O
Open	O
Web	O
Application	O
Security	O
Project	O
ModSecurity	B-Language
Core	O
Rule	O
Set	O
alongside	O
its	O
own	O
ruleset	O
.	O
</s>
<s>
The	O
Fastly	B-General_Concept
platform	O
is	O
built	O
on	O
top	O
of	O
Varnish	B-Language
.	O
</s>
<s>
As	O
of	O
December	O
2021	O
,	O
Fastly	B-General_Concept
transfers	O
50	O
–	O
100Tbps	O
of	O
data	O
.	O
</s>
<s>
Fastly	B-General_Concept
was	O
founded	O
in	O
2011	O
by	O
the	O
Swedish-American	O
entrepreneur	O
Artur	O
Bergman	O
,	O
previously	O
chief	O
technical	O
officer	O
at	O
Wikia	O
(	O
now	O
Fandom	O
)	O
.	O
</s>
<s>
In	O
June	O
2013	O
,	O
Fastly	B-General_Concept
raised	O
$10	O
million	O
in	O
Series	O
B	O
funding	O
.	O
</s>
<s>
In	O
April	O
2014	O
,	O
the	O
company	O
announced	O
that	O
it	O
had	O
acquired	O
CDN	B-Operating_System
Sumo	O
,	O
a	O
CDN	B-Operating_System
add-on	O
for	O
Heroku	B-General_Concept
.	O
</s>
<s>
In	O
September	O
2014	O
,	O
Fastly	B-General_Concept
raised	O
a	O
further	O
$40	O
million	O
in	O
Series	O
C	O
funding	O
,	O
followed	O
by	O
a	O
$75	O
million	O
Series	O
D	O
round	O
in	O
August	O
2015	O
.	O
</s>
<s>
In	O
September	O
2015	O
,	O
Google	B-Application
partnered	O
with	O
Fastly	B-General_Concept
and	O
other	O
content	B-Operating_System
delivery	I-Operating_System
network	I-Operating_System
providers	O
to	O
offer	O
services	O
to	O
its	O
users	O
.	O
</s>
<s>
In	O
April	O
2017	O
,	O
Fastly	B-General_Concept
launched	O
its	O
edge	B-Device
cloud	I-Device
platform	O
along	O
with	O
image	O
optimization	O
,	O
load	O
balancing	O
,	O
and	O
a	O
web	B-Protocol
application	I-Protocol
firewall	I-Protocol
.	O
</s>
<s>
Fastly	B-General_Concept
raised	O
$50	O
million	O
in	O
funding	O
in	O
April	O
2017	O
,	O
and	O
another	O
$40	O
million	O
in	O
July	O
2018	O
.	O
</s>
<s>
In	O
August	O
2020	O
,	O
Fastly	B-General_Concept
announced	O
it	O
was	O
acquiring	O
cybersecurity	O
company	O
Signal	O
Sciences	O
for	O
$775	O
million	O
( $200	O
million	O
in	O
cash	O
and	O
$575	O
million	O
in	O
stock	O
)	O
.	O
</s>
<s>
In	O
June	O
2021	O
,	O
Ronald	O
W	O
.	O
Kisling	O
,	O
previously	O
employed	O
by	O
Alphabet	O
as	O
the	O
CFO	O
of	O
the	O
Fitbit	B-Application
division	O
,	O
was	O
hired	O
to	O
serve	O
as	O
Fastly	B-General_Concept
's	O
CFO	O
,	O
succeeding	O
Adriel	O
Lares	O
.	O
</s>
<s>
In	O
May	O
2022	O
,	O
Fastly	B-General_Concept
announced	O
it	O
had	O
acquired	O
Glitch	O
,	O
a	O
web	O
coding	O
platform	O
with	O
more	O
than	O
1.8	O
million	O
developers	O
.	O
</s>
<s>
In	O
August	O
2022	O
,	O
Todd	O
Nightingale	O
,	O
previously	O
employed	O
by	O
Cisco	O
as	O
Executive	O
Vice	O
President	O
of	O
Enterprise	O
Networking	O
and	O
Cloud	O
business	O
,	O
was	O
hired	O
to	O
serve	O
as	O
Fastly	B-General_Concept
's	O
CEO	O
,	O
succeeding	O
Joshua	O
Bixby	O
.	O
</s>
<s>
Fastly	B-General_Concept
's	O
CDN	B-Operating_System
service	O
follows	O
the	O
reverse	B-General_Concept
proxy	I-General_Concept
model	O
,	O
routing	O
all	O
website	O
traffic	O
through	O
their	O
own	O
servers	O
instead	O
of	O
providing	O
a	O
'	O
cdn.mydomain.com	O
 '	O
address	O
to	O
store	O
site-specific	O
files	O
.	O
</s>
<s>
Content	O
is	O
not	O
directly	O
uploaded	O
to	O
their	O
servers	O
,	O
rather	O
it	O
is	O
pulled	O
periodically	O
from	O
the	O
origin	O
server	O
and	O
cached	B-General_Concept
in	O
order	O
to	O
reduce	O
the	O
time	O
required	O
for	O
an	O
end-user	O
to	O
access	O
the	O
content	O
.	O
</s>
<s>
Fastly	B-General_Concept
supports	O
the	O
UDP-based	O
HTTP/3	B-Protocol
protocol	O
,	O
as	O
well	O
as	O
DRM	O
enabled	O
content	O
,	O
encryption	O
and	O
secure	O
tokens	O
to	O
restrict	O
media	O
access	O
.	O
</s>
<s>
On	O
8	O
June	O
2021	O
,	O
Fastly	B-General_Concept
reported	O
problems	O
with	O
their	O
CDN	B-Operating_System
service	O
which	O
caused	O
many	O
major	O
websites	O
,	O
such	O
as	O
Reddit	B-Application
,	O
gov.uk,	O
Twitch	O
,	O
Spotify	B-Application
and	O
Amazon	B-Application
,	O
along	O
with	O
major	O
news	O
sources	O
such	O
as	O
The	O
New	O
York	O
Times	O
,	O
The	O
Guardian	O
,	O
CNN	B-Architecture
and	O
the	O
BBC	O
,	O
to	O
become	O
unavailable	O
.	O
</s>
<s>
Affected	O
tech	O
news	O
outlet	O
The	O
Verge	O
resorted	O
to	O
using	O
Google	B-Application
Docs	I-Application
to	O
report	O
on	O
the	O
ongoing	O
outage	O
.	O
</s>
<s>
It	O
also	O
affected	O
certain	O
parts	O
of	O
other	O
major	O
websites	O
,	O
such	O
as	O
the	O
servers	O
hosting	O
the	O
emojis	B-Application
used	O
by	O
Twitter	B-Application
,	O
resulting	O
in	O
them	O
becoming	O
inaccessible	O
.	O
</s>
<s>
The	O
outage	O
was	O
resolved	O
by	O
Fastly	B-General_Concept
after	O
a	O
few	O
hours	O
.	O
</s>
<s>
Fastly	B-General_Concept
has	O
since	O
stated	O
that	O
the	O
cause	O
of	O
the	O
outage	O
was	O
a	O
software	B-Error_Name
bug	I-Error_Name
triggered	O
by	O
a	O
specific	O
user	O
configuration	O
.	O
</s>
