Istio service mesh: past, present, future (TLV meetup)

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Introduction to Istio service mesh (e.g., history, context, features and roadmap) Presented at the Tel Aviv cloud meetup

ISTIO SERVICE MESH:
PAST , PRESENT AND
FUTUREETAI LEV RAN
ETAIL@IL.IBM.COM

INTRODUCTION
▸whoami?
▸Outline:
▸Background, service mesh
▸Istio: current and future
▸Q&A during talk or find me afterwards

MICROSERVICE ARCHITECTURE - PRACTICE
Improved delivery velocity in
exchange for increased
operational complexity
▸ Applications aren’t
running in green-field
environments
▸ Network layer is hard to
manage
▸ Tooling is nascent
Hailo microservices

THINGS TO
CONSIDER
• Security
• Canary deployments
• A/B testing
• Circuit breaking
• Rate limiting
• Fault injection
• Policy management
• Many more….

It’s doable, but…
Requires a lot of coding

Service Mesh
A dedicated infrastructure layer to make service-to-
service communication fast, safe and reliable

HISTORICAL CONTEXT
1st
•Library based mesh (~2010)
•Netflix Eureka, Ribbon, Hystrix
2nd
•Externalize load balancing (~2015)
•AirBnB Nerve and Syanpse
3rd
•Comprehensive, centralized control
•Istio

ISTIO
A service mesh designed to connect, manage and secure micro
services

ISTIO
A service mesh designed to connect, manage and secure micro
services
Open Source

ISTIO
A service mesh designed to connect, manage and secure micro
services
Open Source
Zero Code Changes *

INTELLIGENT ROUTING AND LOAD BALANCING
‣ Conduct traffic between services with
dynamic route configuration
‣ A/B tests
‣ Canary releases
‣ Red/Black deployments

RESILIENCE ACROSS LANGUAGES AND PLATFORMS
‣ Increase reliability by shielding
applications from flaky networks and
cascading failures in adverse
conditions

FLEET-WIDE POLICY ENFORCEMENT
‣ Apply organizational policy to the
interaction between services
‣ Ensure access policies are enforced
‣ Make sure resources are fairly
distributed among consumers.

IN-DEPTH TELEMETRY AND REPORTING
‣ Understand the dependencies
between services, the nature and flow
of traffic between them, and quickly
identify issues with distributed tracing.

Current status
• 8.4K+starts on Github
• Vibrant open source community
• Full house events at conferences
• Contribution from RedHat, VMware, Cisco,
Tigera and many more
• Launched Istio 0.8
Istio

• Telemetry out-of-the box saves a lot of time
• No code change is awesome
• Security as easy as it can get
• Traffic routing without involving SREs
Customer
feedback

• It’s hard to understand, a lot of moving
components
• Don’t clearly know how to get started
• We’ll wait until we move to microservices
• It’s not GA yet
Customer
challenges

ISTIO 1.0 PLAN
▸ Istio GA planned for July’18
▸ Focus on productization (hardening, documentation,
install and operations…)
▸ Follow k8s feature maturity model:
▸ alpha => beta => stable
▸ Recommended adoption model:
▸ Enable usage with limited scope (e.g., single service), expand to
additional features and services when comfortable
▸ Gradual adoption (Istio a-la-carte)

WHAT’S NEXT?
▸ Beyond 1.0, looking to make Istio ambient
▸ Works well on single k8s cluster for services using REST/gRPC
▸ Multi-cluster
▸ Mesh expansion to VMs
▸ Multi-protocol
▸ Multiple programming models
▸ Just another part of the cloud native infrastructure

Roadmap
(community)
• Cloud Foundry support
• Multi-cluster mesh
• Increment adoption use cases
• HA and multi-cluster for CA
• Event-based communication pattern
• Support toolkit
InnerCircle / Think 2018 / © 2018 IBM Corporation

CONTACT ME
Etai Lev Ran: etail@il.ibm.com

USEFUL LINKS
‣ Web istio.io
‣ Twitter: @Istiomesh
‣ Traffic management using Istio: https://ibm.co/2F7xSnf
‣ Resiliency and fault-tolerance using Istio: https://bit.ly/2qStF2B
‣ Reliable application roll out and operations using Istio:
https://bit.ly/2K9IRQX

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Istio service mesh: past, present, future (TLV meetup)

1. ISTIO SERVICE MESH: PAST , PRESENT AND FUTUREETAI LEV RAN ETAIL@IL.IBM.COM

2. INTRODUCTION ▸whoami? ▸Outline: ▸Background, service mesh ▸Istio: current and future ▸Q&A during talk or find me afterwards

3. MICROSERVICE ARCHITECTURE - THEORY

4. MICROSERVICE ARCHITECTURE - PRACTICE Improved delivery velocity in exchange for increased operational complexity ▸ Applications aren’t running in green-field environments ▸ Network layer is hard to manage ▸ Tooling is nascent Hailo microservices

5. THINGS TO CONSIDER • Security • Canary deployments • A/B testing • Circuit breaking • Rate limiting • Fault injection • Policy management • Many more….

6. It’s doable, but…

7. It’s doable, but… Requires a lot of coding

8. Service Mesh A dedicated infrastructure layer to make service-to- service communication fast, safe and reliable

9. HISTORICAL CONTEXT 1st •Library based mesh (~2010) •Netflix Eureka, Ribbon, Hystrix 2nd •Externalize load balancing (~2015) •AirBnB Nerve and Syanpse 3rd •Comprehensive, centralized control •Istio

10. ISTIO A service mesh designed to connect, manage and secure micro services

11. ISTIO A service mesh designed to connect, manage and secure micro services Open Source

12. ISTIO A service mesh designed to connect, manage and secure micro services Open Source Zero Code Changes *

13. FEATURES

14. INTELLIGENT ROUTING AND LOAD BALANCING ‣ Conduct traffic between services with dynamic route configuration ‣ A/B tests ‣ Canary releases ‣ Red/Black deployments

15. RESILIENCE ACROSS LANGUAGES AND PLATFORMS ‣ Increase reliability by shielding applications from flaky networks and cascading failures in adverse conditions

16. FLEET-WIDE POLICY ENFORCEMENT ‣ Apply organizational policy to the interaction between services ‣ Ensure access policies are enforced ‣ Make sure resources are fairly distributed among consumers.

17. IN-DEPTH TELEMETRY AND REPORTING ‣ Understand the dependencies between services, the nature and flow of traffic between them, and quickly identify issues with distributed tracing.

18. ARCHITECTURE

19. Current status • 8.4K+starts on Github • Vibrant open source community • Full house events at conferences • Contribution from RedHat, VMware, Cisco, Tigera and many more • Launched Istio 0.8 Istio

20. • Telemetry out-of-the box saves a lot of time • No code change is awesome • Security as easy as it can get • Traffic routing without involving SREs Customer feedback

21. • It’s hard to understand, a lot of moving components • Don’t clearly know how to get started • We’ll wait until we move to microservices • It’s not GA yet Customer challenges

22. ISTIO 1.0 PLAN ▸ Istio GA planned for July’18 ▸ Focus on productization (hardening, documentation, install and operations…) ▸ Follow k8s feature maturity model: ▸ alpha => beta => stable ▸ Recommended adoption model: ▸ Enable usage with limited scope (e.g., single service), expand to additional features and services when comfortable ▸ Gradual adoption (Istio a-la-carte)

23. WHAT’S NEXT? ▸ Beyond 1.0, looking to make Istio ambient ▸ Works well on single k8s cluster for services using REST/gRPC ▸ Multi-cluster ▸ Mesh expansion to VMs ▸ Multi-protocol ▸ Multiple programming models ▸ Just another part of the cloud native infrastructure

24. Roadmap (community) • Cloud Foundry support • Multi-cluster mesh • Increment adoption use cases • HA and multi-cluster for CA • Event-based communication pattern • Support toolkit InnerCircle / Think 2018 / © 2018 IBM Corporation

25. CONTACT ME Etai Lev Ran: etail@il.ibm.com

26. USEFUL LINKS ‣ Web istio.io ‣ Twitter: @Istiomesh ‣ Traffic management using Istio: https://ibm.co/2F7xSnf ‣ Resiliency and fault-tolerance using Istio: https://bit.ly/2qStF2B ‣ Reliable application roll out and operations using Istio: https://bit.ly/2K9IRQX

27. THANK YOU!

Istio service mesh: past, present, future (TLV meetup)

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