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VMware, Inc. 55
6
Thischapterdescribeshowtocreateapplicationpatterndefinitionsandviewtheresultsasapplicationpattern
instances.Topicsinclude:
“Overview”onpage 55
ApplicationPatternDefinitions”onpage 55
ApplicationPatternInstances”onpage 58
“ViewingApplicationPatternDefinitionsandInstances”onpage 58
ApplicationDiscoveryProcess”onpage 61
Overview
Datacentersrunbusinessapplicationsthathandlethecorebusinessandoperationaldataoftheorganization.
Thesebusinessapplicationstypicallyconsistofseveralhostsrunningdatabases,applicationservers,file
servers,andvariousothercomponents.ADMprovidesapplicationpatternsthatallowsyoutoidentifyand
grouptogetherentitiesthatcomprisethevarious
instancesofabusinessapplication.
Creatingapplicationpatternshelpsyoutoeasilyfollowanychangesinaspecificbusinessapplication.The
instanceisupdatedautomaticallyifthereareserverchangesorachangeinservicesintheapplication,thus
relievingyoufromhavingtomanuallytrackchanges.
Application Pattern Definitions
TouseApplicationPatterns,youmustfirstcreateanApplicationPatterndefinition.AnApplicationPattern
definitionisatopologydefinedbyasetofendpoints(suchashosts,services,anddatabases)andtherelations
(connections)betweenthem.Figure 61demonstratesanexampleofanapplicationpatternthatisaJboss
Server,
connectedtoanOracledatabasethroughaJavaDatabaseConnectivity(JDBC)connection.
Figure 6-1. Application Pattern Example
ADMprovidesthefollowingtypesofrulesforidentifyingApplicationPatterns:
Noderules
Connectivityrules
Application Patterns
6
Jboss
server
Oracle
database
JDBC
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