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website: update vs. istio page and clarify pluggable data layer

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Mitchell Hashimoto 2018-06-26 21:52:27 +02:00
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12
website/source/intro/index.html.md
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@ -16,9 +16,15 @@ detailed reference of available features.
## What is Consul? ## What is Consul?
Consul is a service mesh solution that has multiple components for Consul is a service mesh solution providing a full featured control plane
discovering, connecting, configuring, and securing services in your with service discovery, configuration, and segmentation functionality. Each
infrastructure. It provides several key features: of these features can be used individually as needed, or they can be used
together to build a full service mesh. Consul requires a data plane and
supports both a proxy and native integration model. Consul ships with a
simple built-in proxy so that everything works out of the box, but also
supports 3rd party proxy integrations such as Envoy.
The key features of Consul are:
* **Service Discovery**: Clients of Consul can register a service, such as * **Service Discovery**: Clients of Consul can register a service, such as
`api` or `mysql`, and other clients can use Consul to discover providers `api` or `mysql`, and other clients can use Consul to discover providers

16
website/source/intro/vs/istio.html.md
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@ -14,14 +14,10 @@ To enable the full functionality of Istio, multiple services must
be deployed. For the control plane: Pilot, Mixer, and Citadel must be be deployed. For the control plane: Pilot, Mixer, and Citadel must be
deployed and for the data plane an Envoy sidecar is deployed. Additionally, deployed and for the data plane an Envoy sidecar is deployed. Additionally,
Istio requires a 3rd party service catalog from Kubernetes, Consul, Eureka, Istio requires a 3rd party service catalog from Kubernetes, Consul, Eureka,
or others. At a minimum, three Istio-dedicated services along with at or others. Finally, Istio requires an external system for storing state,
typically etcd. At a minimum, three Istio-dedicated services along with at
least one separate distributed system (in addition to Istio) must be least one separate distributed system (in addition to Istio) must be
configured for the full functionality of Istio. configured to use the full functionality of Istio.
Istio plans to work on any platform, but currently has a hard dependency
on the Kubernetes API. While the documentation covers connecting non-Kubernetes
services, it assumes that a Kubernetes deployment exists for the control
plane.
Istio provides layer 7 features for path-based routing, traffic shaping, Istio provides layer 7 features for path-based routing, traffic shaping,
load balancing, and telemetry. Access control policies can be configured load balancing, and telemetry. Access control policies can be configured
@ -75,3 +71,9 @@ Because Consul's service connection feature "Connect" is built-in, it
inherits the operational stability of Consul. Consul has been in production inherits the operational stability of Consul. Consul has been in production
for large companies since 2014 and is known to be deployed on as many as for large companies since 2014 and is known to be deployed on as many as
50,000 nodes in a single cluster. 50,000 nodes in a single cluster.
This comparison is based on our own limited usage of Istio as well as
talking to Istio users. If you feel there are inaccurate statements in this
comparison, please click "Edit This Page" in the footer of this page and
propose edits. We strive for technical accuracy and will review and update
this post for inaccuracies as quickly as possible.