Organisation

• Determine applications to be upgraded
• Discuss strategy for how hosted Windows applications will be moved off CF11
• Review costs after preliminary checks completed                                                                    

TechMan

All

PM plus all           

1d

1d

1d

• Check capacity of existing 2018 servers – can we add to existing capacity or do we need to create new infrastructure

• If new infrastructure required build Dev, Test, Live

• Do we need additional Puppet work?

• Update load balancers

• Check licences, apply licenses

• Preliminary checks

• Create instances through CF administrator

• Update settings

• Repair of Dev and Test application environments before upgrade

Dev

1d each app

• If repair not feasible: copy files over and look at project of own to fix

Dev/Production/ Business area

0.5d each applicable app

• Bamboo plans created or updated where appropriate

Dev

1d each applicable app

• If standard deployment create deployment plans
• Prepare code for upgrade to agreed version

Dev

DevTech

1d each applicable app

2d

• Check source code in GIT is in sync with environments
• Update TADs

Dev

DevTech

1d

0.5d per app

• Peer testing

Dev

1d per app

• Rework

Dev

1d per app

• Preliminary testing in Dev
• Deploy to Test in new CF infrastructure

AppsMan

DevTech

1d per app

< 0.25d per app

* Peter Jackson has already confirmed that there is enough capacity on the existing CF2018 servers to create instances for the CF11 applications so these tasks will not be required

• Update settings, change property files, code changes etc                 

• Integration testing for each application when in Test                                                       

• Integration rework

DevTech/Dev             

1d per app

• UAT

Business owners

• Acceptance rework

• Deployment checklists                                                                                                                   

AppsMan/TechMan  

0.5d/0.5d

• Handover

Dev, DevTech, Apps Man, TechMan    

0.5d each

• Deploy to Live Linux

• Deploy to Live Windows

DevTech

0.5d per app

• Post deployment support

DevTech/Dev

1d each

• Decommissioning of old servers                                                                                               

DevTech

1d

• Creation of new infrastructure (or upgrading of existing infrastructure) for hosted applications

• Peer testing

• Rework

• Deploy infrastructure to Test

• Integration testing

AppsMan

1d

• Integration testing rework

• Deployment checklists

• Acceptance testing

• Deploy infrastructure to live

• Migrate 1 hosted application as proof of concept

• Support

• Users/customers who own the applications on the managed hosting will migrate the applications

Business

Task

Effort

• Programme Management

0d

Part of programme costs

• Project Management

20d

37 weeks x 0.5d per week

• Senior Supplier

none

• Planning

2d

• Closing

2d

• Meetings

4d

• Unplanned

2d

Total Project Services

30d

• Resourcing – Resource managers

2d

TechMan, Dev, DevTech, AppsMan

• Total AppsMan

10d

• Total TechMan

10d

• Total ISG Dev Services

49d*

• Total ISG DevTech Services

49d*

Total Apps  

120d

Overall Total

150d*

Worst case scenario