<s>
Wireless	B-Protocol
Session	I-Protocol
Protocol	I-Protocol
(	O
WSP	O
)	O
is	O
an	O
open	O
standard	O
for	O
maintaining	O
high	O
level	O
session	O
.	O
</s>
<s>
WSP	O
provides	O
the	O
upper-level	O
application	B-Application
layer	I-Application
of	O
WAP	O
with	O
a	O
consistent	O
interface	O
for	O
two	O
session	O
services	O
.	O
</s>
<s>
Second	O
,	O
it	O
provides	O
a	O
session	B-Application
layer	I-Application
so	O
the	O
whole	O
WAP	O
environment	O
resembles	O
ISO	O
OSI	O
Reference	O
Model	O
.	O
</s>
