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Kubernetesのネットワークの実装と課題及びContrail+Kubernetesでの課題解決 Contrail enterprise Multicloudの概要について
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Contrail integrated with Kubernetes and Openstack
1.
© 2018 Juniper
Networks ‘KUBERNETES’/’OPENSHIFT’ ON OPENSTACK CONTRAIL/TUNGSTEN FABRIC
2.
© 2018 Juniper
Networks SPEAKER • TungstenFabric Ambassador • Juniper Networks •
3.
© 2018 Juniper
Networks AGENDA 3 •Kubernetes •Kubernetes ” ” •Contrail Enterprise Multicloud
4.
© 2018 Juniper
Networks KUBERNETES 4
5.
© 2018 Juniper
Networks SDN ECOSYSTEM IN CNCF
6.
© 2018 Juniper
Networks Beyond cloud-native… Do you care about: • High-performance forwarding • Proven cloud-grade, carrier-grade scale • Feature rich for Kubernetes and LB, beyond CNI • Feature rich in general for net + sec • Multi-tenancy • Open source / community • Open standards-based federation • Multiple orchestrator support • Solid vendor backing and optional services • Collapsing stacked SDNs: e.g. K8s on OpenStack • Ease of use SDN ECOSYSTEM IN CNCF
7.
© 2018 Juniper
Networks K8S Kuberenetes Cluster APIServer Controller Scheduler etcd OVS/Bridge Docker network pod pod kube-let kube-proxy Kubernetes Kube Master • API Sserver • Controller • Scheduler • Etcd (DB) Worker node. • kube-let • CNI • kube-proxy kube-let Callico Flannel, Contrail SDN OVS/Bridge Docker network pod pod kube-let kube-proxy
8.
© 2018 Juniper
Networks K8S K8S pod-network service-network external-network Kubernetes Network 3 1) pod-network POD 2) service network Service 3) external-network Service External−IP pod pod pod Service ClusterIP pod Service LoadBalancer Internet LAN
9.
© 2018 Juniper
Networks K8S POD(Service) external-network 1) “192.168.0.1” Web Loadbalancer . 2) Web LoadBalancer POD NAT 3) nginx pod ”172.16.0.11” 4) DB ClusterIP POD NAT POD NAT kube-proxy db nginx DB ClusterIP Web LoadBalancer Internet LAN 192.168.0.0/24 172.16.0.0/24 192.168.0.0/24 nginxdb .1 .21 .22 .23 .24 .11 .12 pod-network service-network
10.
© 2018 Juniper
Networks K8S POD APIServer Controller Scheduler etcd Physical Network BMS OVS/Bridge Docker network pod pod kube-let kube-proxy Internet POD POD IP Workder Node IP NAT POD NAT POD IP address is translated to IP address of node
11.
© 2018 Juniper
Networks K8S POD mysql nginx nginxmysql 192.168.10.0/24 Tenant: A mysql nginx nginxmysql 192.168.20.0/24 Tenant: B POD Kubernetes setup 1 1 POD Kubernetes cluster Openstack VM Kubernetes cluster POD VM Kuberentes cluster POD POD External IP
12.
© 2018 Juniper
Networks K8S Openstack Virtual-machine for K8S setup •NovaAPI •Glance •Keystone •Neutron OVS/Bridge APIServer Controller Scheduler APIServer Controller Scheduler OVS/Bridge mysql nginx nginxmysql 192.168.10.0/24 mysql nginx nginxmysql 192.168.20.0/24 Tenant: BTenant: A mysql nginx mysql nginx OVS/BR OVS/BR OVS/Bridge mysql nginx mysql nginx OVS/BR OVS/BR
13.
© 2018 Juniper
Networks K8S K8S Physical Network DB OVS/Bridge Docker network pod pod kube-let kube-proxy POD Worker node NAT POD IP POD Worker node Worker node IP IP IP OVS/Bridge Docker network pod pod kube-let kube-proxy
14.
© 2018 Juniper
Networks K8S K8S OVS/Bridge Docker network pod pod kube-let kube-proxy POD POD Ingress/Egress POD OVS/Bridge Docker network pod pod kube-let kube-proxy A B apiVersion: networking.k8s.io/v1 kind: NetworkPolicy metadata: name: test-network-policy namespace: default spec: podSelector: matchLabels: service: wordpress role: nginx policyTypes: - Ingress ingress: - from: - ipBlock: cidr: 192.168.20.0/24
15.
© 2018 Juniper
Networks K8S K8S Web Web API API DB DB 192.168.10.0/24 192.168.20.0/24 192.168.30.0/24 172.16.0.0/24 SyslogMonitor Service Network Develop:A Develop:B FW Service network Web TCP 80 Develop:A ”Web” TCP:22,80 . Develop:B “API”and“DB” Develop:A Develop:B : • POD • FW • • POD
16.
© 2018 Juniper
Networks KUBERNETES NETWORK “EXTENSION” Contrail Networking 16
17.
© 2018 Juniper
Networks Physical IP Fabric (no changes) TungstenFabric CONTROLLER ORCHESTRATOR Host O/SvRouter Network / Storage orchestration Gateway … Internet / WAN or Legacy Env. (Config, Control, Analytics, Svr Mgmt) (Windows, Linux ….) on BMS TOR Compute orchestration Virtual Network Blue Virtual Network Red FW Logical View … Centralized PolicyDefinition Distributed PolicyEnforcement BGP BGP XMPPEVPN TUNGSTEN FABRIC OVERVIEW
18.
© 2018 Juniper
Networks KUBERNETES SETUP WITH CONTRAIL Kuberenetes Cluster on BMS APIServer Contrail vRouter pod pod Contrail CNI Kuberenetes Kubernetes Contrail BMS Nested 2 •KubeManager •Controller •Analytics •Analytics-DB kubelet CNI Agent Contrail vRouter pod pod kubelet CNI Agent
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© 2018 Juniper
Networks KUBERNETES SETUP WITH CONTRAIL Kuberenetes Cluster with Openstack Openstack Kubernetes Controller VM •Controller •Analytics •Analytics-DB •NovaAPI •Glance •Keystone •Neutron Contrail vRouter pod pod kubelet CNI Agent APIServer kube-manager Contrail vRouter Agent VM
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© 2018 Juniper
Networks KUBERNETES SETUP WITH CONTRAIL Kuberenetes Cluster on Openstack Contrail vRouter Openstack VM Kubernetes Contrail Openstack VM •Controller •Analytics •Analytics-DB •NovaAPI •Glance •Keystone •Neutron Agent APIServer kube-manager kubelet CNI bridge pod pod vlan vlan
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© 2018 Juniper
Networks CONTRAIL WITH K8S • POD Network mysql nginx nginxmysql 192.168.10.0/24 Tenant: A apiVersion: v1 kind: Pod metadata: name: mysql annotations: { "opencontrail.org/network" : '{"domain":"default-domain", "project": ”user1", "name":”pod-vn1"}' } labels: name: db spec: containers: - name: mysql-gA image: mysql Contrail Annotation Contrail POD VNI/Route target **
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© 2018 Juniper
Networks CONTRAIL WITH K8S • POD Network mysql nginx nginxmysql 192.168.10.0/24 POD Contrail FW Kube-proxy HTTP/HTTPS Contrail 5 Tuple POD 192.168.20.0/24
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© 2018 Juniper
Networks CONTRAIL WITH K8S • POD POD Contrail POD Floating IP POD POD K8S Contrail nginx nginx pod-network external-network Web LoadBalancer service-network public-network D:203.0.113.1 10.0.10.1 10.0.10.1
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© 2018 Juniper
Networks CONTRAIL WITH K8S • POD Contrail HVTEP POD DB NAT Contrail VNI Route Target APIServer Contrail vRouter pod pod •KubeManager •Controller •Analytics •Analytics-DB kubelet CNI Agent Contrail vRouter pod pod kubelet CNI Agent DB VMSV VM BGP L3VPN/EVPN
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© 2018 Juniper
Networks CONTRAIL WITH K8S • VNF POD FW NFV Chain VNF Contrail vRouter pod pod kubelet CNI Agent Contrail vRouter Agent Internet
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© 2018 Juniper
Networks CONTRAIL WITH K8S Contrail Web Web API API DB DB 192.168.10.0/24 192.168.20.0/24 192.168.30.0/24 172.16.0.0/24 SyslogMonitor Service Network Develop:A Develop:B Contrail Kubernetes POD Contrail : • POD network • FW • • POD
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© 2018 Juniper
Networks CONTRAIL ENTERPRISE MULTICLOUD 27
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© 2018 Juniper
Networks JOINT SOLUTION – REDHAT / JUNIPER Validated VNFs (VM)CONTAINER-BASED VNF NETWORK FUNCTIONS VIRTUALIZATION INFRASTRUCTURE (NFVI) CERTIFIED HARDWARE Compute Storage Network COMPUTE KVM STORAGE NETWORK vSRXvMX Certified VNFsOTHER VNF Juniper Contrail Juniper Contrail OpenStack Operations • Red Hat OpenStack + Contrail Networking • Replace default Neutron networking with Contrail SDN • Enable high performance, scalability and availability • Focus on advanced features with ease of use Container Deployments • Red Hat OpenShift + Contrail Networking • Augment OpenShift deployments with advanced networking features • Allow customers to enable more use cases than standard deployment of OpenShift or Kubernetes
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© 2018 Juniper
Networks NETWORKING-AS-A-SERVICE ACROSS MULTICLOUD INFRASTRUCTURE Managed Private Cloud Branch Office Enterprise Private Cloud DC Low-latency Secure Interconnect Private Backbone / Internet Container s Front-End Tier Back-end Tier BMSVMs E-W FW … Tiers (i.e. collection of workloads) extend across different DC’s and to the public Cloud Contrail Portal Userna me Passwor d Cloud Portal Operator … SaaS Platform: § Connect Multiple Clouds § Define Security policies § Manage & Operate LBN-S FW End-user Policy & redirectio n Public Cloud
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