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Service Mesh Day Recap: Intro to Service Mesh
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sakajunquality
June 04, 2019
Technology
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Service Mesh Day Recap: Intro to Service Mesh
sakajunquality
June 04, 2019
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Transcript
Service Mesh Day Recap: Intro to Service Mesh #cloudnativejp #8
#servicemeshday 19.06.04 @sakajunquality
About me - Jun Sakata - @sakajunquality - Google Developers
Expert, Cloud - Working at Ubie, Inc. - #ServiceMesh #DarkTheme
- Service Mesh Day - Day 0: Workshop - Why
Istio and Envoy are the future of networking for distributed systems - Envoy as the standard data plane and where its going Agenda
None
Service Mesh Day - First Service Mesh Conference - 2019.03.29
San Francisco - Pre Conference (Workshop + LT ) + 1 Day Full Conference - servicemeshday.com / @servicemeshday
Day 0: Workshop
None
Day 0: Workshop - Zack Butcher ( @ZackButcher ), Tetrate
- Intro to Istio and Envoy - Istio background + Istio Component + hands-on workshop on GKE - Source Codes: https://github.com/tetrateio/training
- Introduction - Monitor your network - Connect and manage
traffic - Secure your environment Day 0: Workshop
- Observability - Reliability - Service Discovery - Security -
... Why Service Mesh?
- Observability - Reliability - Service Discovery - Security -
... Why Service Mesh? Monitor how services are communicated
- Observability - Reliability - Service Discovery - Security -
... Why Service Mesh? How reliable the connection
- Observability - Reliability - Service Discovery - Security -
... Why Service Mesh? Where to communicate
- Observability - Reliability - Service Discovery - Security -
... Why Service Mesh? Communicate Securely
- Observability - Reliability - Service Discovery - Security -
... Why Service Mesh? Modern distributed systems are sophisticated!!
Why Istio and Envoy are the future of networking for
distributed systems
Why Istio and Envoy are the future of networking for
distributed systems - Eric Brewer ( @eric_brewer ), Google - Session Video - https://www.youtube.com/watch?v=sDgAZuEzA48
What is Istio?
What is Istio? - from istio.io Istio lets you connect,
secure, control, and observe services
What is Istio? - from Louis Ryan’s talk An open
services platform to manage service interactions across container -and VM-based workloads
What is Istio? - Eric Brewer Enables 1000s of services
What is Istio? - Eric Brewer Enables 1000s of services
Automate Security Automate Observation Automate Traffic Management ...
What is Istio? - Eric Brewer’s real answer Decouples developers
from operations
What is Istio? - Eric Brewer’s real answer Decouples developers
from operations Policies Infra related code ...
What is Istio? - Eric Brewer’s real answer Decouples developers
from operations Network
What is Istio? - Eric Brewer’s real answer Decouples developers
from operations Business Logic
e.g. - If ACL is defined in each applications… -
Circuit breakers in multiple languages... Policies out of the source code
e.g. - If ACL is defined in each applications… -
Circuit breakers in multiple languages... Policies out of the source code Don’t make policies to launch service!
e.g. - If ACL is defined in each applications… -
Circuit breakers in multiple languages... Policies out of the source code Ease of Change Centralized Control
Cloud Native
Cloud Native - Moving Legacy to the right infrastructure VMs
/ Disks not a productive infrastructure ...
Cloud Native - Moving Legacy to the right infrastructure More
cost effective
Cloud Native - Moving Legacy to the right infrastructure What
we wanted is the ability to do something with services and APIs.
Services and APis - Different Languages - Different teams Works
Independently!!
Services and APis - Different Languages - Different teams Istio’s
role is to make a service work well
Envoy as the standard data plane and where its going
None
Why Istio and Envoy are the future of networking for
distributed systems - Matt Klein ( @mattklein123 ), Lyft and the creator of Envoy - Session Video - https://www.youtube.com/watch?v=IC0eduR56DA
None
What is envoy - L4 L7 proxy - OSS from
Lyft - Used in Istio sidecar
Envoy as a universal data plane
What is Envoy? - envoyproxy.io/docs/ The network should be transparent
to applications. When network and application problems do occur it should be easy to determine the source of the problem.
https://eng.lyft.com/announcing-envoy-c-l7-proxy-and- communication-bus-92520b6c8191
https://eng.lyft.com/announcing-envoy-c-l7-proxy-and- communication-bus-92520b6c8191
- Network should be transparent - boring network plumbing -
L3 L4 - Developers focus on business logic - L7 The original goal of envoy project
What is Envoy? - envoyproxy.io/docs/ The network should be transparent
to applications. When network and application problems do occur it should be easy to determine the source of the problem.
What is Envoy? - envoyproxy.io/docs/ The network should be transparent
to applications. When network and application problems do occur it should be easy to determine the source of the problem. boring network plumbing
What is Istio? - Eric Brewer’s real answer Decouples developers
from operations
What is Istio? - Eric Brewer’s real answer Decouples developers
from operations L3 L4
What is Istio? - Eric Brewer’s real answer Decouples developers
from operations L7 Application
Envoy as a Universal data plane - API gateway -
Edge proxy - Service to service proxy - Middle proxy - etc... The original goal of envoy project
The original goal of envoy project
Envoy Users
Why is Envoy?
Why Envoy? - Performance - Reliability - Modern codebase -
Best-in-class operability - Extensibility - Configuration API - Community
High Performance - High Performance / Low Latency Code base
Modern codebase - Modern C++11 code base - Hosted in
GitHub - https://github.com/envoyproxy/envoy
Best-in-class operability - Stats - Logging - Tracing - etc...
Extensibility - L4 and L7 pluggable filtering - => (from
OSS perspective…) - don't want to get overwhelmed with people having to change the core
Extensibility
Extensibility: webassembly - KubeCon + CloudNativeCon Europe 2019 - https://www.youtube.com/watch?v=XdWmm_mtVXI
- https://github.com/envoyproxy/envoy-wasm
Configuration API - v.s. flat configuration file e.g. nginx, haproxy...
- API driven configuration <= Cloud Native - xDS APIs
xDS API v2 x Discovery Service - Route Discovery Service
(RDS) - Listener Discovery Service (LDS) - Secret Discovery Service (SDS) - etc...
Community - No Premium Version - 100% OSS - =>
differentiated success - e.g. AWS AppMesh
Future
Expanding Service Mesh Without Envoy https://aspenmesh.io/2019/03/expanding-service-mesh-without-envoy/
Envoy? Istio? - In another perspective - L3 things works
well with hardware - Things might work well with eBPF - Not on general purpose CPU - It would be better if we can control L3-7 in the same yaml
Takeaways
Why Service Mesh / Istio? - Decouples developers from operations
Why Envoy? - Performance - Reliability - Modern codebase -
Best-in-class operability - Extensibility - Configuration API - Community
Why Envoy? Is there xDS API compatible proxy other than
envoy…?
None
Thank you
Links - Service Mesh Day YouTube - https://www.youtube.com/channel/UCnz6U2P_yxM3Jx0nu5zLB_g - Lyft's
Envoy: From Monolith to Service Mesh - Matt Klein, Lyft @Qcon - https://www.youtube.com/watch?v=RVZX4CwKhGE