Scaling Microservices with Contiv

1. Scaling Microservices with
Contiv
contiv.io
@projectcontiv
Sukhesh Halemane Github @shaleman
Joji Mekkattuparamban Github @jojimt

2. • Microservices scale Challenge
• Project Contiv
• Demo
Agenda
contiv.io

3. Microservice explosion
500+ microservices450 microservices 500+ microservices
Source:
Netflix: http://www.slideshare.net/BruceWong3/the-case-for-chaos
Twitter: https://twitter.com/adrianco/status/441883572618948608
Hail-o: https://sudo.hailoapp.com/services/2015/03/09/journey-into-a-microservice-world-part-3/

4. • Hide infrastructure complexity from applications
• No more Vlan, Vxlan, VTEP, Spanning tree, Vlan stitching
contiv: Networking for Microservice
Virtual Network Per
Tenant
Org 1
Org 2
Segment per
Microservice
Network based
service routing
Segment 1
Srv1
Segment 2
Srv2 Srv2 Srv2
Srv1 Srv1
Service
Security Policies

5. Number of IP table rules increase
exponentially as microservices scale out
Scaling security policies
0
2000
4000
6000
8000
10000
12000
14000
16000
18000
20000
1 2 3 4 5 6
Contiv IP tables
Number of
Microservices
Scale out
# of instances
Contiv
# of rules
IP table
# of rules
50 1 500 500
50 2 500 2000
50 3 500 4500
50 4 500 8000
50 5 500 12500
50 6 500 18000

6. Contiv Network Performance
Special thanks to: Leslie Qi Wang
Source: https://communities.cisco.com/community/developer/opensource/blog/2016/02/03/docker-overlay-network-performance-comparison--bare-metal

7. Performance at Scale
HW configuration:
2x UCS C240 servers with 2s socket, 12 core Intel Xeon E5 cpu each, 192G DRAM, 1x10G NIC.
1x Nexus 9000 series switch
0
1E+09
2E+09
3E+09
4E+09
5E+09
6E+09
7E+09
8E+09
9E+09
1E+10
0 100 1000 5000
Number of Security Rules
Throughput
Throughput

8. Demo

9. Contiv + K8S Demo Topology
k8master
Contiv Master
Kubernetes
Master / API
Server
etcd
k8ode01
Contiv
Netplugin
Kubelet
Srv1 Srv2 Srv3 Srv4
etcd
Docker
k8node02
Contiv
Netplugin
Kubelet
Srv1 Srv2 Srv3 Srv4
etcd
Docker
Contiv Virtual Network

10. Thank you
contiv.io
@abhinandanpb @DivyaVavili @erikh
@jainvipin @jojimt @mapuri
@shaleman @unclejack @vvb
Find us on Github
@vishal-j