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기술로 고객의 마음을 움직입니다
기술로 고객의 마음을 움직입니다
Contents
JEUS Architecture WebtoB web server Servlet/JSP container EJB container JTS JMS JNDI Security GUI-aided Configuration Multi-node Management GUI-aided Node Management JEUS Roadmap
JEUS 2.0
기술로 고객의 마음을 움직입니다
System Architecture of JEUS
HTML
Applet
ClientApplication
(Java,CORBA)
Webto
B
JSP Engine Database
DirectoryServer
OtherORB
TPMonitor(Tmax)
JDBCConnection
Pooling
JNDI
IIOP
JTA
HTTP
RMI/IIOP
Clients
Adapta
tion L
ayer
ServletContext
Context GroupServlet Engine
EJB bean
EJB Container
EJBServer
Naming ServerNaming Server
JEUS Server
Link Manager
Multi – Node System
Node Controller
RMI/IIOP
HTTP
JEUS 2.0
기술로 고객의 마음을 움직입니다
Client
Client
Client
InternetTCP/IP
HTTP
HTTP
HTTP
WebtoB
Web ClientHandler
Web Service
CGI
PHP
HTML
JSP
Client
Client
HTTP
HTTP
Web ClientListener
Structure of WebtoB
Servlet
Web ClientHandler
Web ClientHandler
JEUS 2.0
기술로 고객의 마음을 움직입니다
Load Balancing & Fail-over
Intelligent Thread Pooling
Powerful Administration
DB Connection Pooling
Session Management
JEUS Servlet Engine
JEUS 2.0
기술로 고객의 마음을 움직입니다
Load Balancing & Failover
Listenerthread
ServletEngine
Node 1
Node 2
resp
onse
RequestsThread Thread PoolPool
Handler
Handler
Handler
ServletEngineServlet
EngineServletEngine
WebServerWeb
Server
JEUS 2.0
기술로 고객의 마음을 움직입니다
ContextGroup
Context
ContainerManager
AdministratorNode
Servlet Engine
Engine Control CommandSuspendRestartTerminateReloadUpdate parameters
State Information
Thread Pool Info.Request Info.System load
Powerful Administration
Servlet
Servlet
Context
JEUS 2.0
기술로 고객의 마음을 움직입니다
OracleDatabase
InformixDatabase
DB Connection PoolManager
Servlet Servlet
AdministratorNode
Servlet Engine
DB Connection Pooling
JEUS 2.0
기술로 고객의 마음을 움직입니다
Session Management
- - ApplicationApplication 단위의 세션관리단위의 세션관리 * 각 Web Application 단위인 컨텍스트 단위로 세션관리
- - 컨텍스트 그룹 단위의 세션관리컨텍스트 그룹 단위의 세션관리 * 컨텍스트 그룹내의 컨텍스트간의 세션 공유지원
-- Session Clustering Session Clustering * 로드밸런싱 , 장애대책을 위하여 여러 웹 컨테이너들을 클러스터링 * 클러스터링된 컨테이너들 사이의 세션 객체 공유
JEUS 2.0
기술로 고객의 마음을 움직입니다
EJB Server for Business Modules
• Enterprise JavaBeans– Specification for java-based distributed object computing
EJB bean
EJB bean
EJB remote
EJB remote
EJBhome
EJB Container
Naming Server
EJB Server
clients EJB bean
EJB bean
EJB remote
EJB remote
EJBhome
EJB Container
Registrationlookup
Methodinvocation
JEUS 2.0
기술로 고객의 마음을 움직입니다
Object Management
SessionPool
Bean & ContextPool
JEUSFile DB
DataBase
Clientrequest
EJB bean
EJB context
EJB remote
PassivationBy P. timeout
Auto RemovalBy A.R. timeout
Session bean
Entity beanActivebean
Passivatedbean
Removedbean
JEUS 2.0
기술로 고객의 마음을 움직입니다
Communication Protocol
EJB Server
EJB beanEJB remote
EJBhome
EJB Container
Skeleton
Tie
Skeleton
Tie
Server-sizeORBClient-side ORB
CORBA client
RMI Runtime
CosNaming RMI registry
JNDIJRMPIIOP
Class FTPServer
ThreadPoolRMI client
Stub
Stub
JEUS 2.0
기술로 고객의 마음을 움직입니다
…InitialContext ctx = new InitialContext();User Transaction ut = (UserTransaction) ctx.lookup(“jeus_UserTransaction”);…
Transaction Service
- Bean-Managed TransactionBean-Managed Transaction * 빈제공자가 Bean 코드에서 트랜잭션 처리 * UserTransaction Interface
- Container-Managed TransactionContainer-Managed Transaction * Deploy 파일에 트랜잭션 특성을 선언하여 컨테이너가 트랜잭션 처리 * NotSupported, Required, Supports, RequiredNew, Mandatory, Naver
- Client-Managed TransactionClient-Managed Transaction * 빈의 서비스를 이용하는 클라이언트에서 트랜잭션 처리
JEUS 2.0
기술로 고객의 마음을 움직입니다
Security Service
• Security Context PropagationSecurity Context Propagation• Programmatic Security ServiceProgrammatic Security Service
– javax.ejb.EJBContext.getCallerPrincipal()– javax.ejb.EJBContext.isCallerInRole()
• Declarative Security ServiceDeclarative Security Service
…<assembly-descriptor> <security-role> <description/> <role-name>ROLENAME</role-name> </security-role> <method-permission> <description/> <role-name>ROLENAME</role-name>
<method> <ejb-name>EJBNAME</ejb-name> <method-name>*</method-name> </method> <method-params/> </method-permission> ….
JEUS 2.0
기술로 고객의 마음을 움직입니다
Other Functionality
• Runtime Service ControlRuntime Service Control– Suspend, Resume, Undeployment
• Runtime Service ModificationRuntime Service Modification– Reload for parameter tuning or class modification
• Easy to deploy beansEasy to deploy beans– Module-level deployment– Full-deployment, Fast-deployment, Pre-deployment
• DB Connection sharingDB Connection sharing– Serialization of SQL requests
• Engine Architecture optionEngine Architecture option– EXCLUSIVE_ACCESS, SINGLE_OBJECT, MULTIPLE_OBJECT
• SQL control optionSQL control option
JEUS 2.0
기술로 고객의 마음을 움직입니다
JTS(Java Transaction Service)
Transaction Context Propagation
< JEUS Transaction System >
• JTA(Java Transaction API)– UserTransaction, TransactionManager, Transaction,
Synchronization, XAResource, XID interface
XADataSource(JDBC Driver)
XAConnectionXAConnection
Pool
Synchronization XAResource JTA Mapper between JEUS Transaction Manager and Application Server
Communication Manager(RMI or IIOP)
JEUS TransactionManager
Application Program
UserTransaction
ConnectionContainers
TransactionTransactionManager
TransactionTransactionManager
JEUS 2.0
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JMS (Java Message Service)
Interfaces that define how a JMS client accesses Interfaces that define how a JMS client accesses Enterprise Message SystemEnterprise Message System
JEUS JEUS JMS ServerJMS Server
message
message
DB
Persistent data
Application AApplication A
JMS APIJMS API
JEUS JMS runtimeJEUS JMS runtime
Application AApplication A
JMS APIJMS API
JEUS JMS runtimeJEUS JMS runtime
JEUS 2.0
기술로 고객의 마음을 움직입니다
Naming Server
JNDI(Java Naming & Directory Interface)
JNDI (Java Naming & Directory Interface) 1.2.1 Support Specialized Naming Service in Multi-node Environment
Replicating into Clusters Auto-Initialing at Joining into Clusters Caching into JVMs Connection Management
Naming Server
JVM
SPIClient
JVM
Clusters Local Node
Replicated
Not Replicated
Local
SPIClient
SPIClient
SPIClient
JEUS 2.0
기술로 고객의 마음을 움직입니다
Security Manager
Web SecurityWeb Security SSL support for Web client
EJB, Servlet Security API EJB, Servlet Security API supportsupport
Multi-node Security Multi-node Security ManagementManagement Realm management Resource Access Control
Realm
UserGroup
RoleMap
RoleRoleRef
Realm ControlResource Access
Control
JEUS Security ManagerJEUS Security Manager
ResourceACL
ResourceACL
ResourceACL
JEUS 2.0
기술로 고객의 마음을 움직입니다
GUI-aided Configuration
JEUS 2.0
기술로 고객의 마음을 움직입니다
GUI-aided Node Management
JEUS 2.0
기술로 고객의 마음을 움직입니다
Multi-node Management
• Fault toleranceFault tolerance– Engine fail-over by JEUS Server– Multi-node monitoring network based on ‘Ring’
topology– Node fail-over by initiation of backup engines– Auto-rejoining at resurrection of the failed node
JEUS ServerJEUS Server
ServletEngineServletEngine
EJBEngine
EJBEngine
failure
Auto restartingFail-over
detected
JEUS ServerJEUS Server
ServletEngineServletEngine
EJBEngine
EJBEngine
JEUS 2.0
기술로 고객의 마음을 움직입니다
Multi-node Management
Failuredetect
Failure
Initially ring
Periodic checkingFor resurrection
Rejoining ofThe failed node
Dynamic scale-up by adding a node at runtimeDynamic scale-up by adding a node at runtime
Backup enginesstarted
ChangingNode information
By sending join signal
System scaled dynamically
JEUS 2.0
기술로 고객의 마음을 움직입니다
JEUS 2.0 Spec. (2001.04) JEUS 3.0 Spec. (2001.08)EJB (1.1 full, 2.0 partially)Servlet (2.2 full)JSP (1.1 full)JMS (1.0.3 partially)JNDI (1.2.1 partially)JAXP (1.1)JTA (1.0.1)RMI compiler(1.7)Security(realm management, SSL for web clients)JDBC Connection Pool Administration/Deployment toolFailover & load balancing in a cluster
EJB (2.0)Servlet (2.3)JSP (1.2)JMS (1.0.3)JNDI (1.2.1)XSLJTA (1.0.1)RMI compiler(1.7)Security(JAAS 1.0, SSL over a cluster) Connector (1.0)Administration/Deployment toolWeb AdministrationFailover & load balancing in a cluster
JEUS Roadmap
Dev. Test Release
VersionQ1’01
JEUS2.0
3.0
Q2’01 Q4’01Q3’011 2 3 4 5 6 7 8 9 10 11 12
JEUS 2.0