Index

A

Abstract Syntax Notation-1 (ASN.1) 4
Abstract Window Toolkit (AWT) 130
accept() 21
access control 78, 134
AccessFacet 259
accessor 176
Account 198, 214
Action 14, 262
Activatable 144, 145
Activation 108, 143, 244, 275
      enable() 275
      register() 275
activation
      descriptor 144, 146
      group 143
      modes 208
      protocol 143
      writing an activator 275
ActivationDesc 144
ActivationException 146, 276
ActivationID 145
activator 143, 275
active 143
Add 166
add_arrays() 175
addArrays() 249, 266, 268
addAt() 268
Adder 267
AddFacet 259
AddImpl 167
address space 160
agents 240
aggregate 255, 256
Aglet Workbench 240
any type 177
Applet 42, 91
      applet 12, 87, 99, 239, 240
      AppletSecurityManager 271
application layer 4
Arith 114, 227, 249, 266, 281
Arith.AddPackage.Outarray 286
Arith.idl 165, 284
Arith.IOR 282
Arith2 251
ArithApp 117
ArithClient 77, 229, 249
ArithClient2 252
ArithImpl 115
ArithImpl_Skel 119
ArithImpl_Stub 119
ArithImplBase 228
ArithServer 75, 228
ArrayIO 47
ArrayMath 48
Arrays vs. sequences 178
asynchronous 244
      messages 273
atMachine() 268
attribute 175
      declaration 176
      authentication 78, 110, 239
      autonomous 265, 236

B

Baltimore Technologies 143
bandwidth 237, 238
Bank.idl 198
BankAccount 176
Basic Object Adapter (BOA) 159, 167, 207-209
      obj_is_ready() 202
      _init() 208
Berkeley Unix 16
binary compatibility 111, 147
binding 120, 158, 203
      bind() 202
      names 250
BindOptions 204
Boolean 273
boolean type 177
bounded sequences 178
broadcast 7
broker 8, 100
BufferedReader 20, 35
BufferedWriter 20
Byte 273
Bytecodes 108
ByteHolder 184, 185

C

C 156
C++ 156
Caffeine 225
Callbacks 107, 130-133, 160, 263, 265
CallCity 131
CallCity2App 133
CallCity2Impl 133
CallCityApp 132
CallCityImpl 132
cgen 283, 285, 287
Common Gateway Interface (CGI) 86-88, 99
char type 177, 273
CharHolder 185
CheckingAccount 214
City interface 124
City2 interface 127
City2App 129
City2Impl 127
CityApp 125
CityFactory 127
CityFactoryImpl 128
CityImpl 124
Class A addresses 6
Class B addresses 6
Class C addresses 6
class loader 87, 90, 148
Class.forName() 63
CLASSPATH 90, 272, 279, 283
Client class 80, 169, 201, 282
client-server model 7
CodeSource 144
Common Object Request Broker Architecture (CORBA) 106, 153, 156, 157, 227, 244, 279
      2.0 157
      3.0 159
      architecture 154
      facilities 157
      IIOP 241
      interfaces 170
      messaging 159, 160
      objects 154, 227
      services 157
      system exceptions 192
      Voyager integration 283
Common Object Specification (COSS) 158
      COSS 1 158
      COSS 2 158
communication channels 16, 78
Complex IDL types 195
compress 231, 240
CompressionSocket 140
Compute interface 91
ComputeClient 99
ComputeEngine 96
computing resources 87
concurrent 40
Connect class 54, 57, 60, 97
Connection class 49
Connection refused 27
console 246
      EXCEPTIONS 246
      SILENT 246
      VERBOSE 246
constant 179, 187
      declaration 179
constructed types 177
constructor 116
cooperation 236
coordination 11
CORBA vs. RMI 170
Corba.asIOR() 280
CORBA.Object.214
      string_to_object() 221
CorbaSystemException 280
Core Object Model 153
CreateServerSocket() 140, 141
createSocket() 140, 141
Cryptography 78
Customer class 257

D


daemon 144
Danny Lang 240
DATA 34
data stream 20
Datagram communication 18
DatagramPacket 23
DatagramSocket 19, 23
DataInputStream 20
DataOutputStream 20, 35
DBMS 61
DCOM 240, 241
deactivation 157
deadlock 105
defer_bind() 204
delegation 214
digital signatures 78, 134, 239
digitally signed messages 78
DII request 221
discriminated unions 177
dispatcher 108
distributed
      computing 7
      debuggers 222
      programming 7, 236
Domain Name System (DNS) 5, 29
DriverManager 61-63
DSigital Signaturer Algorithm (DSA) 78, 81
dynamic aggregation 244, 255
dynamic code loading 89
Dynamic invocation interface (DII) 154, 156, 160, 219, 220
dynamic server 126
Dynamic skeleton interface (DSI) 157, 222

E

eavesdroppers 78
echo 38
efficiency 10, 238
electronic commerce 158, 238
email 10, 34
Employee class 64, 70
enable_rebind() 204
encryption 110, 140
enumeration 177-179
event service 157
exception 179, 246
      declaration 179
      handling 114
executeQuery 63
executeUpdate 63
exportObject 144
extends 54, 114
extensible structs 231
eXternal Data Representation (XDR) 4
Externalizable 72

F

Facets 255-257, 259
factory 126, 129
Factory.create() 247
fault tolerance 10, 86, 169, 238
faulting reference 143
file descriptors 16
File Transfer Protocol (FTP) 4
FileInputStream 20, 70
FileOutputStream 20
FileReader 20
file-upload 87
FileWriter 20
FilterInputStream 20
FilterOutputStream 20, 70
finger 33, 36
firewall 58
FloatHolder 185
floating-point type 176
fooHelper 184
fooHolder 184
foreign objects 272
forms 86
function pointer 130
future messages 273
Future.invoke 273

G

garbage collector 170
      automated 12, 93
      distributed 106-107, 109, 244
General Magic 240
getAddress() 28, 29
getAllPackage() 147
getClassLoader() 148
getDate() 276
getFacets() 257
getFloat() 64
getHome() 265
getImplementationTitle() 147
getImplementationVendor() 147
getImplementation Version() 147
getInputStream() 20, 140
GetIP 29
getLapCount() 276
getLocalHost() 28
getLocalPort() 23
getMemento() 275
getName() 28, 147, 148
getOutputStream() 20, 140
getPackage() 147
getPrimary() 257
getPriority() 44
getSpecificationTitle() 147
getSpecificationVendor() 147
getSpecificationVersion() 147
global compute engine 85-87
global name space 176
goals of RMI 107
greetings server 24, 46
GUI 98, 130, 224

H

hashCode 148
HEAD 54
health care 158
heap 40
Hello 262
Hello2 264
HELO 34
helper 193, 279
high performance 7
holder 185, 190
      classes 184
Horizontal CORBAfacilities 157
hostnames 5
HotJava 143
HTML 54, 86, 87, 198, 199
HTTP 53, 54, 56
      Content-Length 56
      Content-Type 56
      GET 54
      POST 54
httpd class 54, 56
httpd server 57

I

IActivator 275
IAdder 266
IArith 248, 266, 280, 287
ICMP error codes 38
ICustomer 257
identifier 174
IDL 165, 226, 285
      array 192
      boolean 187
      char 187
      definition 173
      interface 175, 193
      mapping 154, 156
      module 184
      names 183
      octet 187
      repository 279
      string 187
      struct 230, 231
      union 190
      wchar 187
IDL/IIOP 230
IDL/Java translation 279
idl2ir 224
idl2java 165, 183, 198, 199, 221, 287
IHello 261
IIOP 226, 230, 240, 279, 280
IllegalArgumentException 44
Imaginary 61
IMobile 263
IMobility 260
impl_is_ready()
impl_rep 211
implementation activation 157
Implementation Repository 210
implementing callbacks 130
implementing factories 126
incompatibility 88
InetAddress class 23, 28
information management 157
inheritance 256
initialize() 81
initSign() 81
initVerify() 84
inout 165, 170, 180, 184, 194, 221
Inprise Corporation 155, 163
InputObjectStream 75
InputStream 20
integer type 177
interactive software development 222
interface 8, 42, 130, 154, 175
Interface Definition Language (IDL) 11, 154, 156
Interface repository (IR) 154, 157, 223
      creating an IR 224
      irep 224
International Standard Organization (ISO) 4
Internet addresses 6
Internet Inter-ORB Protocol, (IIOP) 155
Internet packets 4
Internet Protocol (IP) 4, 5
Interoperable Object References (IORs) 280
interpretation 157, 239
interpreters 10, 222
Inter-process Communication (IPC) 8, 15, 16
InterruptedException 41
IntHolder 184
IOException 23
IONA Technologies 155, 164
IPayment 258
IPtoName 30
isAutonomous 265
isCompatibleWith 147

J

J/SSL 143
Java 2 13
Java Archive (JAR) 13, 148-149
Java
      bytecode interpreter 93
      compiler 12, 93
      interpreter? security
      manager 94
      package 147
      Secure Socket Layer
      Protocol 143
      security 12
      virtual machine 10, 70, 5, 106, 107
      WebServer 143
java2idl 226
java2iiop 225, 226, 230
JavaIDL 155, 164
JavaPC 11
JavaServer Toolkit 143
JavaSoft 143, 155, 164
JavaSpaces 11
javax.net.ssl 143
JCP Computer Services 143
JDBC 53, 60, 61, 65
      API 61
      DriverManager 61
      Security Model 61
JDK1.0 12
JDK1.1 13
Jeevan 65
Jini 11
JoinGroup() 24

K

key management 78, 134
keyboard 41, 237
KeyGenerator 78
KeyPairGenerator 78, 81
Keywords 181

L

LAN 4, 5
language mapping 157
lap() 276
learning 236
leaveGroup() 24
Linda 11
Lisp 156
live reference 108
loadNet 92
local vs. remote object location 204
localHost() 36
long 177, 188, 273
LongHolder 185
lookup 117, 120, 158
M
Manager 200, 202, 214
ManagerHelper 203
ManagerImpl 199, 202, 216
marshaling 108, 230, 249
MarshaledObject 145
MathObj 75
MAX_PRIORITY 44
measurement statistics 276
megacomputer 86
message digests 78, 134
method invocation 157
MIN_PRIORITY 44
Mobile Agents 236, 260, 264
      Applications 23
      mobility 236, 244, 260
      working with 265
Mobility.of 260
Mouse 237
moveTo() 260, 265
mSQL 60, 62, 65
      database server 60
      JDBC driver 61
MsqlException 60
MsqlJava 60
MsqlResult 60
multicast 107
      backbone (MBONE) 24
      group 24
      sockets 19, 23
MulticastSocket 23
Multiple failure modes 10
multiple transports 107
multithreaded server 97
Multiuser applications 10
MyAgent 268
MySSLSocketFactory 142

N

Namespace 282
Namespace.bind() 250, 280
Namespace.lookup 286
naming objects 202
naming service 157, 250, 251
narrow 205
native objects 272
NetClassLoader 90, 91
Netscape 54
network 4
      layer 5
      management 238
      mobility 12
      traffic 237, 260
      protocols 4
Network Information Center (NIC) 6
nice thread 45
NO_IMPLEMENT 210
Non-blocking operations 180
non-printable 174
NORM_PRIORITY 44
NoSuchGroupException 146
NovaBank 202
NsLookup 29
null 184, 208, 245

O

oadutil 210
obj_is_ready 209
Object 241, 273
Object Activation Daemon (OAD) 208, 210
Object Adapters (OA) 154, 157
      authority 272
      concurrency 158
      events 158
      externalization 158
      ID 159, 160
      implementation 155
      key 159
      naming 158
      persistence 70
      reference 157, 159, 160, 208
      relationships 158
      security 158
      serialization 65, 69, 108, 122, 134, 261, 268
      services 157
      transactions 158
Object Lifecycle 158
Object Management Architecture (OMA) 147, 153, 154
Object Management Group (OMG) 11, 153, 160
Object Request Broker (ORB) 154
object_to_string 209
object-based model 7
ObjectInputStream 70
ObjectNotFoundException 275
ObjectOutput 73
ObjectOutputStream 70
objects by value 159, 160, 226
objects over sockets 74, 122
ObjectSpace 243
ObjectStore PSE 65
octet 177
Odyssey 240
oneway 160, 180
      messages 273
Open Systems Interconnection (OSI) 4
operating systems 40
operations declaration 180
ORBIX 155
OrbixWeb 164
osagent 169, 201, 202, 209, 229
OSAGENT_ADDR 170
OSI reference model 110
OurHttpSecurityManager 58
OutputStream 20
overhead 74, 122

P

Package versioning 147
parallel computing 7
Parameter declaration 180
passive 143
password 72
patent 240
peer-to-peer model 8
performance 86, 244
Perl 239
persistent 208
      object 158
      object references 209
      references 108, 143
      resource 29
      storage 64, 65
Phaos Technologies 143
ping 33, 38, 39
pipe 16
policy file 13
Polling 160
polymorphic 244, 256
port number 17, 21
      port 1099 11
      port 25 3
      port 7 3
      port 79 3
      port 80 54
portability 239
Portable Object Adapter (POA) 159, 161
postArrival 263
postDeparture 263
preArrival 263
preDeparture 263
preprocessing 181
      directives 174, 181
presentation layer 4
primary object 255, 256, 259
Principal 230
printStackTrace 49
priority 44
PrivateKey 81
private-key cryptosystems 78
proactivity 236
process migration 237
productivity 244
protection 78, 239
      domains 14
protocol 4, 8, 105, 122, 241
      connectionless 18
      connection-oriented 18
proxy 59, 119, 247, 250, 259, 279, 280
      servers 58
public key 79, 134
public-key cryptosystems 78
publish/subscribe 273
Python 156, 239

Q

Query 60
QUIT 34

R

raises expressions 180
random number generator 81
RDBMS 62
reactivity 236
readArray() 51
readLine() 26
readObject() 70, 75
readonly 176
rebind() 117, 120, 121
reference-counting 109
Reflection 241
      API 90
registry 119, 130
reliability 12, 238
Remote Method Invocation (RMI) 11, 106, 113, 124, 142, 143, 156, 165, 170, 226, 227, 240, 241, 248
      garbage collector 109
      registry 110, 113, 115, 117, 120
      specification 107
Remote Procedure Call (RPC) 8, 9, 106, 236
remote programming 236
remote reference 107, 109
RemoteException 114, 124, 145, 146
RemoteStub 146
replication 108, 273
repository identifier 223
Request For Proposals (RFPs) 158
resolveIt 90
resource manager 7
resource sharing 10
responsiveness 41
ResultSet 63
resume() 44
RFC 1288 36
RFC 822/823 34
rlogin 19
rmi compiler 106, 108, 109, 118, 126
RMI vs. sockets 122
rmiregistry 120, 126
RMISecurityManager 115, 116, 125
RMISocketFactory 139-141
root 17, 38
routing 6, 29
RSA 86, 143
run() 42, 49, 54, 91
Runnable interface 42, 43, 82
RunnerSecurityManager 95

S

sandbox 12, 13, 89, 241
scalability 71
scheduling 87
search engines 100
SecureRandom 81
SecurityManager class 12, 14, 57, 87
      checkAccept() 95
      checkAccess() 58
      checkConnect() 58, 95
      checkCreateClassLoader() 95
      checkDelete() 95
      checkExec() 95
      checkExit() 95
      checkListen() 95
      checkPropertyAccess() 95
      checkread() 58
      checkWrite() 58
      custom security manager 93
security 10, 38, 57, 87, 110, 134, 239, 244
      and mobile agents 239
      and object serialization 72
      of interactions 157
      policy 93
      risks 89
      vulnerability 93
seed 81
selfish thread 45
Sendmail 34
sequence 178, 191, 287
Serializable interface 69, 70, 72, 75, 79, 116, 135, 249, 262, 268
serialization 231, 241
      control 72
      versioning 73
serialVersionUID 73
servant 159, 160
server-per-method mode 208
ServerSocket 21, 57, 97, 140
Service Location Protocol 87
session layer 5
setAutonomous() 265, 268
setPriority() 44
setSocketFactory 141
setuid 38
shared server mode 208
shipDocument 56
short 177, 188, 273
ShortHolder 184
signature 78, 81, 134
signed 177
      applet 13
      code 13
      object 134
signedBy 14
SignedInterface 135
SignedObject 79, 135
Signing objects over sockets 134
Simple Mail Transfer Protocol (SMTP) 4, 33-35
skeletons/stubs 108, 109, 111, 118, 126, 226
Smalltalk 156
Smart Agent 165, 169
      See also osagent
Snapshot.from 276
Snapshot.getObject 276
Snapshot.of 276
SOCK_DGRAM 17, 38
SOCK_RAW 17, 38
SOCK_STREAM 17, 38
Socket 8, 11, 15, 16, 19, 20, 35, 57, 97, 105, 140, 165, 170, 227, 248
      closing 22
      opening 21
SocketType 140, 141
software agent 235
Space 273
spying 84
SQL 61, 63
SSL 139, 244
SSLava Toolkit 143
SSLTPool 208
SSLTSession 208
stack 40
Statement 63
static 90, 156
stop() 44
Stopwatch 269, 276
Streams
      creating an input stream 21
      creating an output stream 22
string 135, 176, 178
struct 177, 179, 189, 190
stub code 221
stub/skeleton layer 107, 108
subname 62
subprotocol 62
superuser 17
suspend() 44
synchronize 45, 46, 134
synchronous 160, 244, 273
      messages 273
System.getProperties() 149
System.setSecurityManager() 96
Systems management, 157

T

Tampering 239
task management 157
TCl 239
TCP 6, 11, 17, 19, 38, 97, 107
      Sockets 20
Ted Lewis 86
telecommunications 158
teleconferencing 7
Telescript 240
Telnet 4, 19, 34
Template types 178
Thread 42-44, 49, 54
threads 33, 40-42
      benefits of 41
      control 44
      creating and starting 41
      priority 44
      programming 46
      putting a thread to sleep 44
      what is a thread? 40
throughput 41, 260
tie mechanism 214
Tim Berners-Lee 85
time intervals 269
timer 276
touch screen 237
Tpool 208
transient 72, 208
transparent 10, 263
      invocations 106
transport layer 5, 107, 108
TSession 208
TypeCode 230
typedef 175, 179, 195
      declaration 179

U

UDP 11, 19, 38, 107
      sockets 23
UDP vs. TCP 18
unbind() 120, 158
unbounded sequences 178
unicast 107, 108
UnicastRemoteInterface 126
UnicastRemoteObject 116, 142
Uniform Resource Locator (URL) 87
      based registry 117
      naming 203
union 177, 179, 189
UnknownHostException 35
unmarshaling 108, 249
unshared server mode 208
unsigned 177, 188
      long 180
      short 188
User Interface 157

V

valuetype 160
vbj 170
Vector class 129, 134
verification 83
version control 111, 146
Vertical CORBAfacilities 157
viruses 239
VisiBroker 11, 155, 163, 207, 229, 284
VisiClient 288
VisiServer 284
Voyager ORB 3.0 240, 243, 244, 246
Voyager CORBA integration 283
Voyager.shutdown() 246
Voyager.startup() 245, 279
VoyagerSecurityManager 271, 272
VoyClient 286

W

WAN 4, 5
World Wide Web (Web)
      browsers 54
      naming 226
      global computing 85
World Wide Web Consortium 85
writeArray() 48, 49
writeBytes 35
writeExternal 73
writeObject 70
writeUTF 281

X

X.25 5

Y

yield() 45