<s>
Tile	B-Application
Map	I-Application
Service	I-Application
or	O
TMS	O
,	O
is	O
a	O
specification	O
for	O
tiled	O
web	O
maps	O
,	O
developed	O
by	O
the	O
Open	O
Source	O
Geospatial	O
Foundation	O
.	O
</s>
<s>
The	O
definition	O
generally	O
requires	O
a	O
URI	B-Protocol
structure	O
which	O
attempts	O
to	O
fulfill	O
REST	O
principles	O
.	O
</s>
<s>
The	O
TMS	O
protocol	O
fills	O
a	O
gap	O
between	O
the	O
very	O
simple	O
standard	O
used	O
by	O
OpenStreetMap	O
and	O
the	O
complexity	O
of	O
the	O
Web	B-Application
Map	I-Application
Service	I-Application
standard	O
,	O
providing	O
simple	O
urls	O
to	O
tiles	O
while	O
also	O
supporting	O
alternate	O
spatial	O
referencing	O
system	O
.	O
</s>
<s>
TMS	O
is	O
most	O
widely	O
supported	O
by	O
web	O
mapping	O
clients	O
and	O
servers	O
;	O
although	O
there	O
is	O
some	O
desktop	O
support	O
,	O
the	O
Web	B-Application
Map	I-Application
Service	I-Application
protocol	O
is	O
more	O
widespread	O
for	O
enterprise	O
mapping	O
applications	O
.	O
</s>
<s>
The	O
OpenLayers	B-Language
JavaScript	B-Language
library	O
supports	O
TMS	O
natively	O
,	O
while	O
the	O
Google	B-Application
Maps	I-Application
API	I-Application
allows	O
URL	O
templating	O
,	O
which	O
makes	O
support	O
possible	O
for	O
developers	O
.	O
</s>
<s>
TMS	O
served	O
as	O
the	O
basis	O
for	O
the	O
OpenGIS	O
Web	B-Application
Map	I-Application
Tile	I-Application
Service	I-Application
OGC	O
standard	O
.	O
</s>
