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---+!! Alternative Application Lifecycle Management (ALM) deployment topologies 6.0 <img src="https://jazz.net/wiki/pub/Deployment/WebPreferences/uc.png" alt="uc.png" width="50" height="50" align="right"> 
%DKGRAY% Main.StevenBeard, Main.DavidChadwick, Main.ThomasPiccoli <br>
Build basis: CLM and SSE 6.0
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---++ Alternative topologies overview

This page describes the Alternative ALM Deployment Topologies for version 6.x. Refer to Standard deployment topologies overview for high-level description of the standard topologies, how they are categorized and their key characteristics.

These alternative deployment topologies for the Rational solution for Application Lifecycle Management (ALM) are a subset of the standard ALM deployment topologies. For the rest of the standard topologies, see Recommended ALM deployment topologies for release 6. 

---++ Alternate evaluation topology

---+++ (ALM-V1) Evaluation - Single server / Tomcat / Derby

This is a simple, single server topology whose primary use is supporting evaluations, demonstrations, proofs of concept and training. Given the use of Derby and Tomcat, it can be stood up very quickly, especially with the express install feature.

| __Metadata Variable__ | __Value__ |
| Operating System | Microsoft Windows |
| Database Management System | Derby |
| Application Server | Tomcat |
| License Management System | Trial |
| User Management System | Tomcat |
| Other technologies | None |

   * ALM-V1 Topology Diagram for v6.x: <br />
     <img src="%ATTACHURLPATH%/alm_v1_evaluation.png" alt="alm_v1_evaluation.png" width="1000" height="500" />

---++ Alternate departmental topologies

---+++ (ALM-D1) Departmental - Single application server / Windows / DB2

This departmental topology uses Microsoft Windows for the server operating systems. The ALM applications and JTS are deployed to a single WAS instance. Virtual host names are used to ensure public URI stability. DB2 is used for the databases and is hosted on a separate server. Jazz Reporting Service (JRS) is included in this department configuration and the Data Collection Component (DCC) is hosted on a separate server and WAS instance for performance reasons. Finally, licenses are served by a floating license server and Active Directory provides the Lightweight Directory Access Protocol (LDAP) based user management. 

| __Metadata Variable__ | __Value__ |
| Operating System | Microsoft Windows |
| Database Management System | DB2 |
| Application Server | WebSphere |
| License Management System | Floating |
| User Management System | Microsoft Active Directory |
| Other technologies | Reverse Proxy |

   * ALM-D1 Topology Diagram for v6.x: <br />
     <img src="%ATTACHURLPATH%/alm_d1_windows_db2.png" alt="alm_d1_windows_db2.png" width="900" height="700" />

---+++ (ALM-D2) Departmental - Single application server / Windows / Oracle

This departmental topology uses Microsoft Windows for the server operating systems. The ALM applications and JTS are deployed to a single WAS instance. Virtual host names are used to ensure public URI stability. Oracle is used for the databases and is hosted on a separate server. Jazz Reporting Service (JRS) is included in this department configuration and the Data Collection Component (DCC) is hosted on a separate server and WAS instance for performance reasons.  Finally, licenses are served by a floating license server and Active Directory provides the Lightweight Directory Access Protocol (LDAP) based user management. 

| __Metadata Variable__ | __Value__ |
| Operating System | Microsoft Windows |
| Database Management System | Oracle |
| Application Server | WebSphere |
| License Management System | Floating |
| User Management System | Microsoft Active Directory |
| Other technologies | Reverse Proxy |

   * ALM-D2 Topology Diagram for v6.x: <br />
     <img src="%ATTACHURLPATH%/alm_d2_windows_oracle.png" alt="alm_d2_windows_oracle.png" width="900" height="700" />

---+++ (ALM-D3) Departmental - Single application server, Linux / Oracle

This departmental topology uses Red Hat Enterprise Linux for the server operating systems. The ALM applications and JTS are deployed to a single WAS instance. Virtual host names are used to ensure public URI stability. Oracle is used for the databases and is hosted on a separate server. Jazz Reporting Service (JRS) is included in this department configuration and the Data Collection Component (DCC) is hosted on a separate server and WAS instance for performance reasons.  Finally, licenses are served by a floating license server and Tivoli Directory Server provides the Lightweight Directory Access Protocol (LDAP) based user management. 

| __Metadata Variable__ | __Value__ |
| Operating System | Red Hat Enterprise Linux |
| Database Management System | Oracle |
| Application Server | WebSphere |
| License Management System | Floating |
| User Management System | Tivoli Directory Server |
| Other technologies | Reverse Proxy |

   * ALM-D3 Topology Diagram for v6.x: <br />
     <img src="%ATTACHURLPATH%/alm_d3_rhel_oracle.png" alt="alm_d3_rhel_oracle.png" width="900" height="700" />

---+++ (ALM-D4) Departmental - Single application server, Linux / DB2

This departmental topology uses Red Hat Enterprise Linux for the server operating systems. The ALM applications and JTS are deployed to a single WAS instance. Virtual host names are used to ensure public URI stability. DB2 is used for the databases and is hosted on a separate server. Jazz Reporting Service (JRS) is included in this department configuration and the Data Collection Component (DCC) is hosted on a separate server and WAS instance for performance reasons.  Finally, licenses are served by a floating license server and Tivoli Directory Server provides the Lightweight Directory Access Protocol (LDAP) based user management. 

| __Metadata Variable__ | __Value__ |
| Operating System | Red Hat Enterprise Linux |
| Database Management System | DB2 |
| Application Server | WebSphere |
| License Management System | Floating |
| User Management System | Tivoli Directory Server |
| Other technologies | Reverse Proxy |

   * ALM-D4 Topology Diagram for v6.x: <br />
     <img src="%ATTACHURLPATH%/alm_d4_rhel_db2.png" alt="alm_d4_rhel_db2.png" width="900" height="700" />

---++ Alternate enterprise topologies

---+++ (ALM-E2) Enterprise - Distributed / Windows / SQL Server

This enterprise topology uses Microsoft Windows for the server operating systems. It includes both DNG and DOORS/DWA as RM applications. The applications are distributed across separate servers and WAS instances. A reverse proxy is used to ensure public URI stability. Microsoft SQL Server is used for the databases and is hosted on a separate server. Finally, licenses are served by a floating license server and Windows Active Directory Server provides the LDAP based user management. 

| __Metadata Variable__ | __Value__ |
| Operating System | Microsoft Windows |
| Database Management System | Microsoft SQL Server |
| Application Server | WebSphere |
| License Management System | Floating |
| User Management System | Microsoft Active Directory |
| Other technologies | Reverse Proxy |

   * ALM-E2 Topology Diagram for v6.x: <br />
     <img src="%ATTACHURLPATH%/alm_e2_windows_sqlserver.png" alt="alm_e2_windows_sqlserver.png" width="1000" height="600" />

---+++ (ALM-E4) Enterprise - Power Server / AIX / DB2

This enterprise topology uses AIX for the server operating systems. The applications share a single WAS instance except for LQE and DCC which are split out on individual LPARs for performance reasons. A reverse proxy is used to ensure public URI stability. DB2 is used for the databases and is hosted on a separate AIX LPAR. Finally, licenses are served by a floating license server and Tivoli Directory Server provides the LDAP based user management. 

| __Metadata Variable__ | __Value__ |
| Operating System | AIX |
| Database Management System | DB2 |
| Application Server | WebSphere |
| License Management System | Floating |
| User Management System | Tivoli Directory Server |
| Other technologies | Reverse Proxy |

   * ALM-E4 Topology Diagram for v6.x: <br />
     <img src="%ATTACHURLPATH%/alm_e4_aix_db2.png" alt="alm_e4_aix_db2.png" width="900" height="650" />

---+++ (ALM-E5) Enterprise - Mainframe / zLinux / DB2

This enterprise topology uses Linux for System z for the server operating systems. The applications are run in separate profiles on a single WAS instance. A reverse proxy is used to ensure public URI stability. DB2 for z/OS is used for the databases and is hosted on a separate z/OS based LPAR. Finally, licenses are served by a floating license server and Tivoli Directory Server provides the LDAP based user management. 

| __Metadata Variable__ | __Value__ |
| Operating System | Linux on System z |
| Database Management System | DB2 for z/OS |
| Application Server | WebSphere |
| License Management System | Floating |
| User Management System | Tivoli Directory Server |
| Other technologies | Reverse Proxy |

   * ALM-E5 Topology Diagram for v6.x: <br />
     <img src="%ATTACHURLPATH%/alm_e5_zos_linux_z_db2.png" alt="alm_e5_zos_linux_z_db2.png" width="1000" height="600" />

---+++ (ALM-E6) Enterprise - Mainframe / zOS / DB2

This enterprise topology uses IBM z/OS for the server operating systems. The applications are run in separate profiles on a single WAS instance. A reverse proxy is used to ensure public URI stability. DB2 for z/OS is used for the databases and is hosted on a separate LPAR. Finally, licenses are served by a floating license server and RACF provides the user management. 

| __Metadata Variable__ | __Value__ |
| Operating System | IBM z/OS |
| Database Management System | DB2 for z/OS |
| Application Server | WebSphere |
| License Management System | Floating |
| User Management System | RACF |
| Other technologies | Reverse Proxy |

   * ALM-E6 Topology Diagram for v6.x: <br />
     <img src="%ATTACHURLPATH%/alm_e6_zos_db2.png" alt="alm_e6_zos_db2.png" width="1000" height="700" />

---++ Applying the topologies

Every customer's environment is different with unique, necessary and often immutable requirements and constraints. We recognize that these standard topologies may not provide enough detail to make them immediately implementable in some customer environments, but we wanted to describe several topologies with enough variability to give an indication of what is possible and where our recommendations start.

While we recommend customers start with a standard topology that is most applicable to them, we recognize they will need to make changes and customizations to support their own unique requirements and constraints. IBM will support your own implementations, but may ask you to describe which topology is most applicable to your deployment and ask you to document what is unique in your environment to expedite any potential support situation.

To aid you in documenting your chosen deployment topology, we have made the following Rational Software Architect (RSA) model files available:

   * [[%ATTACHURL%/com.ibm.alm.deployments.6.0.0.zip][ALM standard topologies 6.0]]
   * CLM standard topologies 5.0.2
   * SSE standard topologies 4.0.3 and 4.0.4
   * SSE standard topologies 4.0.5
   * SSE standard topologies 4.0.6
   * SSE standard topologies 5.0.0
   * SSE standard topologies 5.0.1
   * SSE standard topologies 5.0.2 

These may be imported into RSA then further modified or expanded to represent your environment. Look at the Installation_Instructions.txt file for information on how to import the models into RSA.

---+++ Datasheets and sizing guidelines

Find ALM-specific performance datasheets, sizing guidelines and performance-related case studies on the Performance datasheets and sizing guidelines page.

---+++ Next steps

This topic is meant to briefly introduce these standard topologies and describe how they might be applied. Work is already underway to build upon and apply them. Subsequent updates to this topic and supporting topics will provide additional insight into their usage.

Future updates to this topic or supporting topics may cover:

   * Deeper look at select topologies
   * Provide suggested tuning parameters
   * Consider high availability database topologies
   * Begin to expand this topology model into other domains
   * Discussion of strategic integrations with other IBM and non-IBM products.

---+++++!! Related topics: [[DeploymentWebHome][Deployment web home]]

---+++++!! External links:          

   * [[https://www.jazz.net][Jazz home]]

---+++++!! Additional contributors: Main.IanCompton

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Attachments

Topic attachments
I	Attachment	Action	Size	Date	Who	Comment
png	alm_d1_windows_db2.png	manage	101.7 K	2015-07-07 - 13:17	UnknownUser	ALM-D1 Topology Diagram for v6.x
png	alm_d2_windows_oracle.png	manage	102.6 K	2015-07-07 - 13:17	UnknownUser	ALM-D2 Topology Diagram for v6.x
png	alm_d3_rhel_oracle.png	manage	97.7 K	2015-07-07 - 13:18	UnknownUser	ALM-D3 Topology Diagram for v6.x
png	alm_d4_rhel_db2.png	manage	97.9 K	2015-07-07 - 13:18	UnknownUser	ALM-D4 Topology Diagram for v6.x
png	alm_e2_windows_sqlserver.png	manage	120.1 K	2015-07-07 - 15:44	UnknownUser	ALM-E2 Topology Diagram for v6.x
png	alm_e4_aix_db2.png	manage	73.3 K	2015-07-07 - 15:45	UnknownUser	ALM-E4 Topology Diagram for v6.x
png	alm_e5_zos_linux_z_db2.png	manage	61.3 K	2015-07-07 - 15:45	UnknownUser	ALM-E5 Topology Diagram for v6.x
png	alm_e6_zos_db2.png	manage	62.1 K	2015-07-07 - 15:46	UnknownUser	ALM-E6 Topology Diagram for v6.x
png	alm_v1_evaluation.png	manage	76.9 K	2015-07-07 - 12:56	UnknownUser	ALM-V1 Topology Diagram for v6.x
zip	com.ibm.alm.deployments.6.0.0.zip	manage	2017.4 K	2015-07-07 - 15:48	UnknownUser	6.0 RSA Project File

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