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GDS Technology for Digital! Gareth Rushgrove Questions for Service Managers Questions for Service Managers

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GDS Gareth Rushgrove Gareth Rushgrove! Technical Architect! Government Digital Service! @garethr

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What is this about? (the introduction) GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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2 Assemble a multidisciplinary team who can design, build and operate the service, led by a single, suitably skilled and empowered Service Manager GDS Gareth Rushgrove

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5 Consider the tools and systems they will be using to build, host, operate and measure their service, and how to procure them GDS Gareth Rushgrove

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14 Make sure you have the capacity and technical flexibility to update and improve the service on a very frequent basis GDS Gareth Rushgrove

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15 Make all new source code open and reuseable, and publish it under appropriate licences ! ! (or have provided a convincing explanation of why this cannot be done for specific subsets of the source code) GDS Gareth Rushgrove

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What roles do we have on the team?! ! What technology are we using?! ! What are the risks with that?! ! What happens when we have a problem at 2am? ! ! How do we change things over time? GDS Gareth Rushgrove

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What roles do we have on the team?! ! What technology are we using?! ! What are the risks with that?! ! What happens when we have a problem at 2am? ! ! How do we change things over time? GDS Gareth Rushgrove

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What roles do we have on the team?! ! What technology are we using?! ! What are the risks with that?! ! What happens when we have a problem at 2am? ! ! How do we change things over time? GDS Gareth Rushgrove

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What roles do we have on the team?! ! What technology are we using?! ! What are the risks with that?! ! What happens when we have a problem at 2am? ! ! How do we change things over time? GDS Gareth Rushgrove

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What roles do we have on the team?! ! What technology are we using?! ! What are the risks with that?! ! What happens when we have a problem at 2am? ! ! How do we change things over time? GDS Gareth Rushgrove

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What roles do we have on the team? (getting the right mix of skills) GDS Gareth Rushgrove

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GDS Gareth Rushgrove Developers

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove Web operations

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove Technical architects

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GDS Gareth Rushgrove Likely more experienced developers or web operations engineers

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GDS Gareth Rushgrove Other specialists! on the team

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GDS Gareth Rushgrove Not just visitors

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GDS Gareth Rushgrove Design your technical organisation

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GDS Gareth Rushgrove Depends on size of team and size of department or agency

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GDS Gareth Rushgrove Individuals with different experience, skills and specialisms

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GDS Gareth Rushgrove The unit of delivery is the team

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GDS Gareth Rushgrove An example programme

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GDS Gareth Rushgrove From one team of about 14

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GDS Gareth Rushgrove Product owner Delivery manager Developer Developer Developer Developer Developer Content designer Content designer Content designer Designer Developer Developer Developer

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GDS Gareth Rushgrove To 140 people in 14 teams

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GDS Gareth Rushgrove Product owner elivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer

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GDS Gareth Rushgrove Web operations team just another product team

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GDS Gareth Rushgrove Product owner elivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer Product owner Delivery manager Web operations Web operations Web operations Web operations Web operations Web operations Web operations

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GDS Gareth Rushgrove With web operations people in other teams when required

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GDS Gareth Rushgrove Product owner elivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Developer Content designer Developer Content designer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Business analyst Product owner Delivery manager Developer Developer Developer Developer Developer Product owner Delivery manager Designer Developer Content designer Content designer Content designer Content designer Business analyst Content designer Web operations Web operations

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GDS Gareth Rushgrove And with developers also working on operations tasks

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GDS Gareth Rushgrove And people rotated between teams periodically

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What technology are we using? (how to help choose technology) GDS Gareth Rushgrove

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GDS Gareth Rushgrove Any technology choice is a future constraint

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GDS Gareth Rushgrove Focus on the ability to change

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GDS Gareth Rushgrove Avoiding lock-in

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GDS Gareth Rushgrove Buy vs build vs integrate

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http://www.flickr.com/photos/psd/9122642253 GDS Gareth Rushgrove

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GDS Gareth Rushgrove Encourage technical team members to think about cost

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GDS Gareth Rushgrove Financial, support, available skills, hiring

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GDS Gareth Rushgrove Encourage management or procurements colleagues to consider user experience

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Exercise: Choosing a database? GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove Type of data?

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GDS Gareth Rushgrove Relational, Graph, Document,! Key-Value...

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GDS Gareth Rushgrove Science?

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GDS Gareth Rushgrove Brewers theorem

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GDS Gareth Rushgrove Consistency, Availability, Partition tolerance

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GDS Gareth Rushgrove Performance?

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GDS Gareth Rushgrove Resilience?

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GDS Gareth Rushgrove Familiarity?

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GDS Gareth Rushgrove API?

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GDS Gareth Rushgrove Cost?

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GDS Gareth Rushgrove Licensing cost? Hardware cost? Operating cost? Development cost?

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GDS Gareth Rushgrove Avoid cargo-culting

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What are the risks with that? (risk management and information assurance) GDS Gareth Rushgrove

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Security is! everyone’s job GDS Gareth Rushgrove

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Confidentiality! Integrity! Availability GDS Gareth Rushgrove

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Don’t just rely on the formal process GDS Gareth Rushgrove

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But do understand and use the existing risk management apparatus GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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Assurance GDS Gareth Rushgrove

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Accreditation GDS Gareth Rushgrove

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IS1 and IS1 GDS Gareth Rushgrove

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Baseline control set GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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Good Practice Guides (GPGs) GDS Gareth Rushgrove

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Protective marking scheme GDS Gareth Rushgrove

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Existing:! Top secret! Secret! Restricted! Confidential! Protect GDS Gareth Rushgrove

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New:! Top secret! Secret! Official GDS Gareth Rushgrove

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Business Impact Levels GDS Gareth Rushgrove

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The problem with Business Impact Levels GDS Gareth Rushgrove

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GDS Gareth Rushgrove Information Security

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What happens when we have a problem at 2am? (Operating a 24/7 service) GDS Gareth Rushgrove

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GDS Gareth Rushgrove Incident management

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GDS Gareth Rushgrove What types of incidents can’t wait until the morning?

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GDS Gareth Rushgrove On-call vs staffed

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GDS Gareth Rushgrove Employment contracts

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Exercise: What to monitor? GDS Gareth Rushgrove

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GDS Gareth Rushgrove Example GOV.UK

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30,000+ metrics collected, many every second GDS Gareth Rushgrove

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~2000 checks, most every few minutes GDS Gareth Rushgrove

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GDS Gareth Rushgrove http://www.flickr.com/photos/psd/8756580339 Lots of information on dashboards

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GDS Gareth Rushgrove What would you monitor? Interstellar spacecraft license Space interstellar-spacecraft-license

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How do we change things over time? (change control and release management) GDS Gareth Rushgrove

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GDS Gareth Rushgrove http://www.flickr.com/photos/psd/9099796942

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove GOV.UK averages about 6 releases a day

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GDS Gareth Rushgrove We changed less software on the day of launch than probably any day before or since

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GDS Gareth Rushgrove Release pipeline

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove One click deploy

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GDS Gareth Rushgrove One click deploy with suitable processes and access controls

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GDS Gareth Rushgrove Zero click deploy for early parts of pipeline

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GDS Gareth Rushgrove Pipeline visibility

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GDS Gareth Rushgrove One place! to deploy

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GDS Gareth Rushgrove App showing deploys

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GDS Gareth Rushgrove CMDB

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GDS Gareth Rushgrove Engage with wider processes

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GDS Gareth Rushgrove 1. Transition planning and support! 2. Change management! 3. Asset and configuration management! 4. Release and deployment management! 5. Service validation and testing! 6. Change evaluation! 7. Knowledge management

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GDS Gareth Rushgrove Share language

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GDS Gareth Rushgrove Regular releases reduce risk

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GDS Gareth Rushgrove Practice makes perfect

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Next steps (Further reading) GDS Gareth Rushgrove

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GDS Gareth Rushgrove CTO Guidance

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GDS Gareth Rushgrove Choosing Technology

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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GDS Gareth Rushgrove

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Questions? (And thanks for listening) GDS Gareth Rushgrove

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GDS Gareth Rushgrove Gareth Rushgrove! Technical Architect! Government Digital Service! @garethr