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Update cni.md

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Grammatical clarifications.
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Bridget Kromhout
2019-04-20 10:41:17 -05:00
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parent 4c89d48a0b
commit 020cfeb0ad
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slides/k8s/cni.md
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@@ -1,6 +1,6 @@
# The Container Network Interface
- Allows to decouple network configuration from Kubernetes
- Allows us to decouple network configuration from Kubernetes
- Implemented by *plugins*
@@ -166,13 +166,13 @@ class: extra-details
- It [scales](https://www.cidr-report.org/as2.0/)
pretty [well](https://www.cidr-report.org/cgi-bin/plota?file=%2fvar%2fdata%2fbgp%2fas2.0%2fbgp-active%2etxt&descr=Active%20BGP%20entries%20%28FIB%29&ylabel=Active%20BGP%20entries%20%28FIB%29&with=step)
(it is used to announce the 700k CIDR prefixes of internet)
(it is used to announce the 700k CIDR prefixes of the internet)
- It is spoken by many hardware routers from many vendors
- It also has many software implementations (Quagga, Bird, FRR...)
- Experimented network folks generally know it (and appreciate it)
- Experienced network folks generally know it (and appreciate it)
- It also used by Calico (another popular network system for Kubernetes)
@@ -186,7 +186,7 @@ class: extra-details
- We will run a simple control plane (like before)
- ... But this time, the controller manager with allocate `podCIDR` subnets
- ... But this time, the controller manager will allocate `podCIDR` subnets
- We will start kube-router with a DaemonSet
@@ -288,7 +288,7 @@ class: extra-details
]
Note: the DaemonSet won't create any pod (yet) since there are no nodes (yet).
Note: the DaemonSet won't create any pods (yet) since there are no nodes (yet).
---
@@ -449,7 +449,7 @@ We should see the local pod CIDR connected to `kube-bridge`, and the other nodes
kubectl -n kube-system logs ds/kube-router
```
- Or to exec into one of the kube-router pods:
- Or try to exec into one of the kube-router pods:
```bash
kubectl -n kube-system exec kuber-router-xxxxx bash
```
@@ -642,7 +642,7 @@ done
Note: the other `updateStrategy` for a DaemonSet is RollingUpdate.
<br/>
For critical services, we might want to control precisely the update process.
For critical services, we might want to precisely control the update process.
---