<s>
SNAMP	B-Language
is	O
an	O
open-source	B-Application
,	O
cross-platform	B-Operating_System
software	I-Operating_System
platform	O
for	O
telemetry	O
,	O
tracing	O
and	O
elasticity	O
management	O
of	O
distributed	O
applications	O
.	O
</s>
<s>
The	O
main	O
purpose	O
of	O
SNAMP	B-Language
is	O
to	O
simplify	O
management	O
of	O
microservices	O
running	O
inside	O
of	O
containers	O
or	O
software-defined	B-General_Concept
data	I-General_Concept
centers	I-General_Concept
.	O
</s>
<s>
It	O
provides	O
telemetry	O
data	O
gathering	O
(	O
metrics	O
and	O
events	O
)	O
,	O
end-to-end	O
tracing	O
of	O
requests	O
between	O
software	O
components	O
reflecting	O
topology	O
of	O
communication	O
paths	O
,	O
automatic	B-General_Concept
scaling	I-General_Concept
of	O
cluster	O
nodes	O
based	O
on	O
workload	O
,	O
unification	O
of	O
telemetry	O
data	O
sources	O
.	O
</s>
<s>
Groovy	B-Application
.	O
</s>
<s>
SNAMP	B-Language
can	O
gather	O
telemetry	O
data	O
and	O
expose	O
the	O
data	O
to	O
the	O
outside	O
using	O
any	O
combination	O
of	O
supported	O
protocols	O
.	O
</s>
<s>
For	O
example	O
,	O
the	O
data	O
collected	O
from	O
JMX	B-Language
protocol	O
can	O
be	O
exposed	O
through	O
SNMP	B-Protocol
and	O
acquired	O
by	O
other	O
network	O
management	O
software	O
such	O
as	O
Nagios	B-Application
.	O
</s>
<s>
Applications	O
should	O
be	O
instrumented	O
to	O
report	O
the	O
necessary	O
information	O
to	O
SNAMP	B-Language
.	O
</s>
<s>
Instrumentation	O
libraries	O
can	O
be	O
found	O
at	O
Maven	O
Central	O
using	O
groupID	O
io.snamp.instrumentation	O
.	O
</s>
<s>
Elasticity	O
manager	O
is	O
a	O
component	O
of	O
SNAMP	B-Language
that	O
is	O
responsible	O
for	O
automatic	O
provisioning	O
and	O
decommissioning	O
of	O
cluster	O
nodes	O
.	O
</s>
<s>
It	O
can	O
be	O
OpenStack	B-Application
,	O
Kubernetes	B-General_Concept
or	O
VMware	B-Operating_System
ESXi	I-Operating_System
.	O
</s>
<s>
Using	O
Web	O
Console	O
for	O
visualization	O
is	O
an	O
optional	O
feature	O
,	O
because	O
SNAMP	B-Language
provides	O
integration	O
with	O
other	O
tools	O
such	O
as	O
Grafana	B-Protocol
.	O
</s>
<s>
SNAMP	B-Language
platform	O
consists	O
of	O
following	O
several	O
components	O
:	O
</s>
<s>
Resource	O
Connector	O
responsible	O
for	O
communication	O
between	O
SNAMP	B-Language
and	O
service	O
in	O
IT	O
landscape	O
.	O
</s>
<s>
It	O
encapsulates	O
communication	O
protocol	O
and	O
exposes	O
telemetry	O
data	O
to	O
SNAMP	B-Language
in	O
unified	O
way	O
.	O
</s>
<s>
For	O
example	O
,	O
JMX	B-Language
Connector	O
can	O
be	O
used	O
to	O
control	O
Java	B-Language
applications	O
using	O
JMX	B-Language
protocol	O
.	O
</s>
<s>
For	O
example	O
,	O
SNMP	B-Protocol
Gateway	O
can	O
expose	O
telemetry	O
data	O
obtained	O
from	O
all	O
resource	O
connectors	O
using	O
SNMP	B-Protocol
protocol	O
.	O
</s>
<s>
Each	O
component	O
might	O
be	O
customized	O
using	O
Groovy-based	O
scripts	O
.	O
</s>
<s>
It	O
is	O
possible	O
to	O
write	O
custom	O
component	O
using	O
any	O
JVM-compatible	O
languages	O
.	O
</s>
<s>
Elasticity	O
management	O
supports	O
OpenStack	B-Application
Senlin	O
.	O
</s>
<s>
Jolokia	O
offers	O
JMX-to-HTTP	O
bridge	O
that	O
can	O
be	O
hosted	O
inside	O
of	O
a	O
standalone	O
Java	B-Language
program	O
,	O
Java	B-Language
EE	I-Language
application	B-Application
server	I-Application
or	O
OSGi	B-Application
environment	O
.	O
</s>
