k8sだけじゃないIstio - Cloud FoundryのIstioインテグレーションについて

Mar 16, 20189 likes3,230 views

This document discusses how Istio can be used to provide routing and service discovery capabilities for Kubernetes and Cloud Foundry environments. It describes how Istio integrates with Kubernetes and Cloud Foundry components like Diego cells, the Diego brain, and the router. Key components of Istio like Envoy, Pilot, and its support for features like mTLS, load balancing and circuit breaking are also summarized. The document positions Istio as a way to provide consistent application networking capabilities across Kubernetes and Cloud Foundry platforms.

© Copyright 2017 Pivotal Software, Inc. All rights Reserved. Version 1.0
k8s Istio
Cloud Foundry Istio

Pivotal Japan - Platform Architect
Kazuto Kusama
@jacopen

k8sだけじゃないIstio - Cloud FoundryのIstioインテグレーションについて

Diego cell
Routing
Diego cell Diego cell
Diego
Brain
Router
Messaging
Bus
appA.example.com

Diego cell
Route
Emitter
Routing
Diego cell Diego cell
Diego
Brain
Router
Messaging
Bus
Route
Emitter

PaaS
Diego cellDiego cell Diego cell
Diego
Brain
Router
Messaging
Bus
RDB
North-South

PaaS
Diego cellDiego cell Diego cell
Diego
Brain
Router
Messaging
Bus
East-West
(Microservices)

Routing
NATS
East-West
Service Discovery
Routing Tier
NATS Routing

Diego cell
Routing
Diego cell Diego cell
Diego
Brain
Router
Messaging
Bus
appA.example.com
Timeout
Router-Cell HTTP
0

Diego cell
Routing
Diego cell Diego cell
Diego
Brain
Router
Messaging
Bus
East-West
(Container-to-Contaiener)
LB
TLS
Circuit Braker
Microservices

• Linkerd:
• Istio:
• Conduit: k8s
•
•
•

Routing Tier
• Istio Pilot Envoy
Rouing Tier
https://docs.google.com/document/d/1VldkvgWPUh13o5RCNjSvzoPFhbY9BtLqBDdk2k0z9fw/

(Product)
• Istio Integrate
• North-South
• East-West(App-to-app) Service Discovery
•
• CFAR CFCR

(Engineering)
A D E
•
• - - - -
• NRP
• - - - L

Process GUID Route
CAPI
Diego BBS
Route
Route Registrar
Envoy API
Service Discovery

Envoy sidecar ( )
Diego cellDiego cell Diego cell
Diego
Brain
Router
Messaging
Bus

Router-App mTLS ( )
Diego cellDiego cell Diego cell
Diego
Brain
Router
Messaging
Bus

Container-to-Container DNS ( )
Diego cellDiego cell Diego cell
Diego
Brain
Router
Messaging
Bus
BOSH DNS

Diego Pod
Diego cellDiego cell Diego cell
Diego
Brain
Router
Messaging
Bus
BOSH DNS

Client-side load-balancing
Diego cellDiego cell Diego cell
Diego
Brain
Router
Messaging
Bus

Edge Router Envoy
Diego cellDiego cell Diego cell
Diego
Brain
Router
Messaging
Bus

Istio Pilot
Diego cellDiego cell Diego cell
Diego
Brain
Router
Messaging
Bus

Transforming How The World Builds Software
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