Small tech talks on IMT2015 «Trends in development distributed systems»

1. Trends in development
Distributed systems
Anton Chernousov

2. Global Trends
Mobile Applications

3. 1996 Nokia Communicator
first Smartphone

4. 1996 Nokia Communicator
first Smartphone
2014 Sold 1.2 billion
smartphones in the world

5. Global Trends
Remote work

6. 1999 Creating company
37signals

7. 2006 Getting Real
1999 Creating company
37signals

8. 2006 Getting Real
2010 Rework
1999 Creating company
37signals

9. 2006 Getting Real
2010 Rework
2013 Remote
1999 Creating company
37signals

10. 2010

11. Ideology
Cynefin framework

12. David Snowden
He was the Director of IBM's
Institute for Knowledge Management

13. 1999 The Cynefin framework
has five domains

14. Best Practice
Good Practice
Novel Practice
Emergent Practice

15. Complex
Probe — Sense — Respond
Emergent Practice
Experimental input
Failures or successes
Decide what to do ie.
amplify or dampen

16. Complex
Probe — Sense — Respond
Emergent Practice
Experimental input
Failures or successes
Decide what to do ie.
amplify or dampen
Agile
Scrum
Kanban
Getting Real
XP

17. Ideology
Agile methodology

18. 1986 Takeuchi и Nonaka
«New Product Development Game»

19. 1986 Takeuchi и Nonaka
«New Product Development Game»
1999 Kent Beck
«Extreme Programming Explained»

20. 1986 Takeuchi и Nonaka
«New Product Development Game»
1999 Kent Beck
«Extreme Programming Explained»
1999 Martin Fowler
«Refactoring»

21. 1986 Takeuchi и Nonaka
«New Product Development Game»
1999 Kent Beck
«Extreme Programming Explained»
1999 Martin Fowler
«Refactoring»
2001 Kent Beck, Martin Fowler, …
«Manifesto for Agile Software Development»

22. Individuals and interactions
over processes and tools
Working software
over comprehensive documentation
Customer collaboration
over contract negotiation
Responding to change
over following a plan
Manifesto for Agile Software Development

23. 2007

24. Ideology
CAP theorem

25. Eric A. Brewer
University of California, Berkeley
He is currently on a sabbatical at Google

26. 1999 Eric Brewer
CAP theorem

27. 1999 Eric Brewer
CAP theorem
2002 Seth Gilbert, Nancy Lynch
Published a formal proof CAP theorem

28. Availability
a guarantee that every request receives a
response about whether it succeeded or failed
CAP theorem
Consistency
all nodes see the same data
at the same time
Partition tolerance
the system continues to operate despite
arbitrary partitioning due to network failures
C
A
P

29. CAP theorem
two out of three
CA APCP
MySQL
Postgres
MongoDB
BigTable
Cassandra
Dynamo

30. Distributed databases
Pessimistic locking
Make minority partitions unavailable
CAP theorem
Cluster database
2-phase commit
cache validating protocol
Web caching
Expiration / leases
conflict resolution / optimistic
two out of three
CA
CP
AP

31. ACID
Atomicity
Consistency
Isolation
Durability
BASE
Basically Available
Soft-state
Eventually consistent

32. Local Trends
Architecture Applications

33. 90’s Monolithic application
Multitier, Client–server

34. 90’s Monolithic application
Multitier, Client–server
00’s Service application
ESB, SOA, XML

35. 90’s Monolithic application
Multitier, Client–server
00’s Service application
ESB, SOA, XML
10’s Microservices
REST, JSON

36. SOAP, OSGI, XML, GRID, RMI
Dead technology

37. Design for failure
Evolutionary Design
Decentralized Data Management
Infrastructure Automation
Microservices

38. 2015

39. Local Trends
Product Delivery

40. Solaris Zone
FreeBSD Jail
OpenVZ
KVM
LXC
Resource
Utilization
Virtualization
1

41. Solaris Zone
FreeBSD Jail
OpenVZ
KVM
LXC
Resource
Utilization
Virtualization
Software
Deployment
1 2
Docker
LXC

43. Virtualization
Software Deployment
Application
Server
jBoss
GlassFish
WebSphere
WebLogic
Microservices
Spring boot
Play Framework
AWS

44. Local Trends
Job & Responsibility

45. Monolithic
application
Job & Responsibility
1
Software analyst
Software developer
System administrator

46. Monolithic
application
Job & Responsibility
1
Service
application
2
Software analyst
Software developer
System administrator
Software analyst
Software developer
QA Engineer
DevOps Engineer

47. Monolithic
application
Job & Responsibility
1
Service
application
2
Microservices
3
Software analyst
Software developer
System administrator
Software analyst
Software developer
QA Engineer
DevOps Engineer
Software analyst
Software developer

48. Thank you for attention
Anton Chernousov
Newman S. Principles of microservices
http://bit.ly/1FLOBoH , 2014
1
2
Lewis J., Fowler M. Microservices
http://bit.ly/ljfmmicroservices , 2014
3
Osowski R. E. Microservices in action
http://t.co/v59iwH3HLc , 2015
4
Browne J. Brewer's CAP Theorem
http://bit.ly/jbcaptheorem , 2009