This is the log file for the demonstration of the SCSCP protocol. 
Please see the SCIEnce project website (symbolic-computing.org) 
for further details.

$ gap rundemo.g 
 ┌───────┐   GAP, Version 4.7.8 of 09-Jun-2015 (free software, GPL)
 │  GAP  │   http://www.gap-system.org
 └───────┘   Architecture: x86_64-apple-darwin14.5.0-gcc-5-default64
 Libs used:  gmp, readline
 Loading the library and packages ...
─────────────────────────────────────────────────────────────────────────────
Loading  OpenMath 11.2.0 (OpenMath functionality in GAP)
by Marco Costantini,
   Alexander Konovalov (http://www.cs.st-andrews.ac.uk/~alexk/),
   Max Nicosia (ln73@st-andrews.ac.uk), and
   Andrew Solomon (http://www.illywhacker.net/).
Homepage: http://www.cs.st-andrews.ac.uk/~alexk/openmath/
─────────────────────────────────────────────────────────────────────────────
─────────────────────────────────────────────────────────────────────────────
Loading  SCSCP 2.1.4 (Symbolic Computation Software Composability Protocol)
by Alexander Konovalov (http://www.cs.st-andrews.ac.uk/~alexk/) and
   Steve Linton (http://www.cs.st-and.ac.uk/~sal/).
Homepage: http://www.cs.st-andrews.ac.uk/~alexk/scscp/
─────────────────────────────────────────────────────────────────────────────
 Components: trans 1.0, prim 2.1, small* 1.0, id* 1.0
 Packages:   AClib 1.2, Alnuth 3.0.0, AtlasRep 1.5.0, AutPGrp 1.6, 
             Browse 1.8.6, CRISP 1.3.8, Cryst 4.1.12, CrystCat 1.1.6, 
             CTblLib 1.2.2, FactInt 1.5.3, FGA 1.2.0, GAPDoc 1.5.1, 
             GUAVA 3.12, IO 4.4.4, IRREDSOL 1.2.4, LAGUNA 3.7.0, 
             OpenMath 11.2.0, Polenta 1.3.2, Polycyclic 2.11, RadiRoot 2.7, 
             ResClasses 3.4.0, SCSCP 2.1.4, SONATA 2.6, Sophus 1.23, 
             SpinSym 1.5, TomLib 1.2.5, Wedderga 4.7.2
 Try '?help' for help. See also  '?copyright' and  '?authors'

Start of demonstration.

demo> LoadPackage("scscp");
true
demo> server := "localhost"; 
"localhost"
demo> port := 26133;
26133
demo> SetInfoLevel( InfoSCSCP, 0 );
demo> G := Group( (1,2,3), (2,3) );
Group([ (1,2,3), (2,3) ])
demo> IdGroup( G );
[ 6, 1 ]
demo> EvaluateBySCSCP( "WS_IdGroup", [ G ], server, port ).object;
[ 6, 1 ]
demo> EvaluateBySCSCP( "GroupIdentificationService", [ [ (1,2,3), (2,3) ] ], 
                 server, port ).object;
[ 6, 1 ]
demo> SetInfoLevel( InfoSCSCP, 3 );
demo> EvaluateBySCSCP( "GroupIdentificationService", [ [ (1,2,3), (2,3) ] ], 
                 server, port ).object;
#I  Creating a socket ...
#I  Connecting to a remote socket via TCP/IP ...
#I  Got connection initiation message
#I  <?scscp service_name="GAP" service_version="4.7.8" service_id="localhost:26133:6020" scscp_versions="1.0 1.1 1.2 1.3" ?>
#I  Requesting version 1.3 from the server ...
#I  Server confirmed version 1.3 to the client ...
#I  Composing procedure_call message: 
<?scscp start ?>
<OMOBJ>
	<OMATTR>
		<OMATP>
			<OMS cd="scscp1" name="call_id"/>
			<OMSTR>localhost:26133:6020:kZEL6GsA</OMSTR>
			<OMS cd="scscp1" name="option_return_object"/>
			<OMSTR></OMSTR>
		</OMATP>
		<OMA>
			<OMS cd="scscp1" name="procedure_call"/>
			<OMA>
				<OMS cd="scscp_transient_1" name="GroupIdentificationService"/>
				<OMA>
					<OMS cd="list1" name="list"/>
					<OMA>
						<OMS cd="permut1" name="permutation"/>
						<OMI>2</OMI>
						<OMI>3</OMI>
						<OMI>1</OMI>
					</OMA>
					<OMA>
						<OMS cd="permut1" name="permutation"/>
						<OMI>1</OMI>
						<OMI>3</OMI>
						<OMI>2</OMI>
					</OMA>
				</OMA>
			</OMA>
		</OMA>
	</OMATTR>
</OMOBJ>
<?scscp end ?>
#I  Total length 699 characters 
#I  Request sent ...
#I  Waiting for reply ...
#I  <?scscp start ?>
#I Received message: 
<OMOBJ>
	<OMATTR>
		<OMATP>
			<OMS cd="scscp1" name="call_id"/>
			<OMSTR>localhost:26133:6020:kZEL6GsA</OMSTR>
		</OMATP>
		<OMA>
			<OMS cd="scscp1" name="procedure_completed"/>
			<OMA>
				<OMS cd="list1" name="list"/>
				<OMI>6</OMI>
				<OMI>1</OMI>
			</OMA>
		</OMA>
	</OMATTR>
</OMOBJ>
#I  <?scscp end ?>
#I  Got back: object [ 6, 1 ] with attributes [ [ "call_id", "localhost:26133:6020:kZEL6GsA" ] ]
[ 6, 1 ]
demo> ReadPackage("scscp/example/id512.g");
true
demo> G := DihedralGroup( IsPermGroup, 512 );
<permutation group with 2 generators>
demo> IdGroup512( G );
#I  Creating a socket ...
#I  Connecting to a remote socket via TCP/IP ...
#I  Got connection initiation message
#I  <?scscp service_name="GAP" service_version="4.7.8" service_id="localhost:26133:6020" scscp_versions="1.0 1.1 1.2 1.3" ?>
#I  Requesting version 1.3 from the server ...
#I  Server confirmed version 1.3 to the client ...
#I  Composing procedure_call message: 
<?scscp start ?>
<OMOBJ>
	<OMATTR>
		<OMATP>
			<OMS cd="scscp1" name="call_id"/>
			<OMSTR>localhost:26133:6020:di9g6FTq</OMSTR>
			<OMS cd="scscp1" name="option_return_object"/>
			<OMSTR></OMSTR>
		</OMATP>
		<OMA>
			<OMS cd="scscp1" name="procedure_call"/>
			<OMA>
				<OMS cd="scscp_transient_1" name="IdGroup512ByCode"/>
				<OMI>2940208627577393070560341803949986912431725641726</OMI>
			</OMA>
		</OMA>
	</OMATTR>
</OMOBJ>
<?scscp end ?>
#I  Total length 448 characters 
#I  Request sent ...
#I  Waiting for reply ...
#I  <?scscp start ?>
#I Received message: 
<OMOBJ>
	<OMATTR>
		<OMATP>
			<OMS cd="scscp1" name="call_id"/>
			<OMSTR>localhost:26133:6020:di9g6FTq</OMSTR>
		</OMATP>
		<OMA>
			<OMS cd="scscp1" name="procedure_completed"/>
			<OMA>
				<OMS cd="list1" name="list"/>
				<OMI>512</OMI>
				<OMI>2042</OMI>
			</OMA>
		</OMA>
	</OMATTR>
</OMOBJ>
#I  <?scscp end ?>
#I  Got back: object [ 512, 2042 ] with attributes [ [ "call_id", "localhost:26133:6020:di9g6FTq" ] ]
[ 512, 2042 ]
demo> SetInfoLevel( InfoSCSCP, 0 );
demo> IdGroup512( G );
[ 512, 2042 ]
demo> ReadPackage("scscp/example/overload.g");
true
demo> a := StoreAsRemoteObject( 6, server, port );
< remote object scscp://localhost:26133/TEMPVarSCSCPZLZDZOx5 >
demo> b := StoreAsRemoteObject( 7, server, port );
< remote object scscp://localhost:26133/TEMPVarSCSCPVUHMdfVj >
demo> c := a*b;
< remote object scscp://localhost:26133/TEMPVarSCSCPUjl0cwuE >
demo> RetrieveRemoteObject( c );
42
demo> M24 := EvaluateBySCSCP( "MathieuGroup", [ 24 ], 
                 server, port : output:="cookie" ).object;
< remote object scscp://localhost:26133/TEMPVarSCSCPJu8BMijY >
demo> EvaluateBySCSCP( "NrConjugacyClasses", [ M24 ], server, port );  
rec( attributes := [ [ "call_id", "localhost:26133:6020:LvJ2Gd0p" ] ], 
  object := 26 )
demo> SetInfoLevel( InfoSCSCP, 3 );    
demo> P2 := EvaluateBySCSCP( "SylowSubgroup", [ M24, 2 ], 
                 server, port : output:="cookie" ).object; 
#I  Creating a socket ...
#I  Connecting to a remote socket via TCP/IP ...
#I  Got connection initiation message
#I  <?scscp service_name="GAP" service_version="4.7.8" service_id="localhost:26133:6020" scscp_versions="1.0 1.1 1.2 1.3" ?>
#I  Requesting version 1.3 from the server ...
#I  Server confirmed version 1.3 to the client ...
#I  Composing procedure_call message: 
<?scscp start ?>
<OMOBJ>
	<OMATTR>
		<OMATP>
			<OMS cd="scscp1" name="call_id"/>
			<OMSTR>localhost:26133:6020:JNDhiwmO</OMSTR>
			<OMS cd="scscp1" name="option_return_cookie"/>
			<OMSTR></OMSTR>
		</OMATP>
		<OMA>
			<OMS cd="scscp1" name="procedure_call"/>
			<OMA>
				<OMS cd="scscp_transient_1" name="SylowSubgroup"/>
				<OMR href="scscp://localhost:26133/TEMPVarSCSCPJu8BMijY" />
				<OMI>2</OMI>
			</OMA>
		</OMA>
	</OMATTR>
</OMOBJ>
<?scscp end ?>
#I  Total length 461 characters 
#I  Request sent ...
#I  Waiting for reply ...
#I  <?scscp start ?>
#I Received message: 
<OMOBJ>
	<OMATTR>
		<OMATP>
			<OMS cd="scscp1" name="call_id"/>
			<OMSTR>localhost:26133:6020:JNDhiwmO</OMSTR>
		</OMATP>
		<OMA>
			<OMS cd="scscp1" name="procedure_completed"/>
			<OMR href="scscp://localhost:26133/TEMPVarSCSCPOq8Tczxi" />
		</OMA>
	</OMATTR>
</OMOBJ>
#I  <?scscp end ?>
#I  Got back: object RemoteObject("TEMPVarSCSCPOq8Tczxi","localhost",26133) with attributes [ [ "call_id", "localhost:26133:6020:JNDhiwmO" ] ]
< remote object scscp://localhost:26133/TEMPVarSCSCPOq8Tczxi >
demo> SetInfoLevel( InfoSCSCP, 0 );       
demo> RetrieveRemoteObject( P2 );
<permutation group with 10 generators>
demo> UnbindRemoteObject( M24 );
true
demo> x:=SL(2,2);
SL(2,2)
demo> l:=OMString(x);
"<OMOBJ> <OMA> <OMS cd=\"group1\" name=\"group_by_generators\"/> <OMA> <OM\
S cd=\"linalg2\" name=\"matrix\"/> <OMA> <OMS cd=\"linalg2\" name=\"matrixrow\
\"/> <OMA> <OMS cd=\"arith1\" name=\"power\"/> <OMA> <OMS cd=\"finfield1\" nam\
e=\"primitive_element\"/> <OMI>2</OMI> </OMA> <OMI>0</OMI> </OMA> <OMA> <OMS c\
d=\"arith1\" name=\"power\"/> <OMA> <OMS cd=\"finfield1\" name=\"primitive_ele\
ment\"/> <OMI>2</OMI> </OMA> <OMI>0</OMI> </OMA> </OMA> <OMA> <OMS cd=\"linalg\
2\" name=\"matrixrow\"/> <OMA> <OMS cd=\"arith1\" name=\"times\"/> <OMA> <OMS \
cd=\"finfield1\" name=\"primitive_element\"/> <OMI>2</OMI> </OMA> <OMI>0</OMI>\
 </OMA> <OMA> <OMS cd=\"arith1\" name=\"power\"/> <OMA> <OMS cd=\"finfield1\" \
name=\"primitive_element\"/> <OMI>2</OMI> </OMA> <OMI>0</OMI> </OMA> </OMA> </\
OMA> <OMA> <OMS cd=\"linalg2\" name=\"matrix\"/> <OMA> <OMS cd=\"linalg2\" nam\
e=\"matrixrow\"/> <OMA> <OMS cd=\"arith1\" name=\"times\"/> <OMA> <OMS cd=\"fi\
nfield1\" name=\"primitive_element\"/> <OMI>2</OMI> </OMA> <OMI>0</OMI> </OMA>\
 <OMA> <OMS cd=\"arith1\" name=\"power\"/> <OMA> <OMS cd=\"finfield1\" name=\"\
primitive_element\"/> <OMI>2</OMI> </OMA> <OMI>0</OMI> </OMA> </OMA> <OMA> <OM\
S cd=\"linalg2\" name=\"matrixrow\"/> <OMA> <OMS cd=\"arith1\" name=\"power\"/\
> <OMA> <OMS cd=\"finfield1\" name=\"primitive_element\"/> <OMI>2</OMI> </OMA>\
 <OMI>0</OMI> </OMA> <OMA> <OMS cd=\"arith1\" name=\"times\"/> <OMA> <OMS cd=\
\"finfield1\" name=\"primitive_element\"/> <OMI>2</OMI> </OMA> <OMI>0</OMI> </\
OMA> </OMA> </OMA> </OMA> </OMOBJ>"
demo> Length(l);
1417
demo> SetInfoLevel( InfoSCSCP, 4 ); 
demo> IN_SCSCP_BINARY_MODE:=true;
true
demo> x = EvaluateBySCSCP("Identity",[x],"localhost",port).object;
#I  Creating a socket ...
#I  Connecting to a remote socket via TCP/IP ...
#I  Got connection initiation message
#I  <?scscp service_name="GAP" service_version="4.7.8" service_id="localhost:26133:6020" scscp_versions="1.0 1.1 1.2 1.3" ?>
#I  Requesting version 1.3 from the server ...
#I  Server confirmed version 1.3 to the client ...
#I  Composing procedure_call message: 
3C3F7363736370207374617274203F3E0A18121408060773637363703163616C6C5F6964061D6C\
6F63616C686F73743A32363133333A363032303A544776345A4E31710806147363736370316F70\
74696F6E5F72657475726E5F6F626A6563740600151008060E73637363703170726F6365647572\
655F63616C6C1008110873637363705F7472616E7369656E745F314964656E7469747910080613\
67726F75703167726F75705F62795F67656E657261746F7273100807066C696E616C67326D6174\
726978100807096C696E616C67326D6174726978726F7710080605617269746831706F77657210\
08091166696E6669656C64317072696D69746976655F656C656D656E7401021101001110080605\
617269746831706F7765721008091166696E6669656C64317072696D69746976655F656C656D65\
6E7401021101001111100807096C696E616C67326D6174726978726F7710080605617269746831\
74696D65731008091166696E6669656C64317072696D69746976655F656C656D656E7401021101\
001110080605617269746831706F7765721008091166696E6669656C64317072696D6974697665\
5F656C656D656E740102110100111111100807066C696E616C67326D6174726978100807096C69\
6E616C67326D6174726978726F771008060561726974683174696D65731008091166696E666965\
6C64317072696D69746976655F656C656D656E7401021101001110080605617269746831706F77\
65721008091166696E6669656C64317072696D69746976655F656C656D656E7401021101001111\
100807096C696E616C67326D6174726978726F7710080605617269746831706F77657210080911\
66696E6669656C64317072696D69746976655F656C656D656E7401021101001110080605617269\
74683174696D65731008091166696E6669656C64317072696D69746976655F656C656D656E7401\
0211010011111111111113193C3F736373637020656E64203F3E0A
#I  Total length 729 bytes 
#I  Request sent ...
#I  Waiting for reply ...
#I  <?scscp start ?>
#I  Got back: object Group([ [ [ Z(2)^0, Z(2)^0 ], [ 0*Z(2), Z(2)^0 ] ], 
  [ [ 0*Z(2), Z(2)^0 ], [ Z(2)^0, 0*Z(2) ] ] ]) with attributes [ [ "call_id", "localhost:26133:6020:TGv4ZN1q" ] ]
true
demo> IN_SCSCP_BINARY_MODE:=false;
false
demo> SetInfoLevel( InfoSCSCP, 0 ); 
demo> s:=IO_PickleToString(x);
"MATGILIS\>2IF2M\>2IF2V\>2FFEL\>6Z(2)^0FFEL\>6Z(2)^0MF2V\>2FFEL\>60*Z(2)FF\
EL\>6Z(2)^0IF2M\>2IF2V\>2FFEL\>60*Z(2)FFEL\>6Z(2)^0IF2V\>2FFEL\>6Z(2)^0FFEL\>6\
0*Z(2)TRUEISTR\>7SL(2,2)TRUEINTG\>16TRUEINTG\>12TRUEFFIEINTG\>12INTG\>11FAILFA\
IL"
demo> x = IO_UnpickleFromString( EvaluateBySCSCP( 
  "IO_UnpickleStringAndPickleItBack", [ s ], server, port ).object );
true
demo> x := [ Z(3)^0, Z(3), 0*Z(3) ];
[ Z(3)^0, Z(3), 0*Z(3) ]
demo> OMString(x);
"<OMOBJ> <OMA> <OMS cd=\"list1\" name=\"list\"/> <OMA> <OMS cd=\"arith1\" \
name=\"power\"/> <OMA> <OMS cd=\"finfield1\" name=\"primitive_element\"/> <OMI\
>3</OMI> </OMA> <OMI>0</OMI> </OMA> <OMA> <OMS cd=\"arith1\" name=\"power\"/> \
<OMA> <OMS cd=\"finfield1\" name=\"primitive_element\"/> <OMI>3</OMI> </OMA> <\
OMI>1</OMI> </OMA> <OMA> <OMS cd=\"arith1\" name=\"times\"/> <OMA> <OMS cd=\"f\
infield1\" name=\"primitive_element\"/> <OMI>3</OMI> </OMA> <OMI>0</OMI> </OMA\
> </OMA> </OMOBJ>"
demo> for i in [ 4 .. 5000 ] do x[i] := i*Z(3)^0; od;  
demo> Length(x);
5000
demo> 
IN_SCSCP_BINARY_MODE:=false;
false
demo> x = EvaluateBySCSCP("Identity",[x],"localhost",port).object;
true
demo> time;
2297
demo> IN_SCSCP_BINARY_MODE:=true;
true
demo> x = EvaluateBySCSCP("Identity",[x],"localhost",port).object;
true
demo> time;
872
demo> IN_SCSCP_BINARY_MODE:=false;
false
demo> x = IO_UnpickleFromString( EvaluateBySCSCP( "IO_UnpickleStringAndPickleItBack",
    [ IO_PickleToString(x) ], "localhost", port ).object );
true
demo> time;
189
demo> IN_SCSCP_BINARY_MODE:=true;
true
demo> x = IO_UnpickleFromString( EvaluateBySCSCP( "IO_UnpickleStringAndPickleItBack", 
    [ IO_PickleToString(x) ], "localhost", port ).object );
true
demo> time;    
177