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Container-based Service Chaining: a Performance Perspective (new technique…
Container-based Service Chaining: a Performance Perspective
multi- tenent data center
Virtualized network fnction(VNFs)
use dynamic service to provide a personalized set of services for each custumer
Implement
VNF on Linux containers
docker
OpenVZ
testbed
iperf3
performance with TCP, UDP flows
new technique called Network Function Virtualization (NFV)
flexibility
elasricity
easy configuration to middleware
hypervisor-based
VM
host operating system
container-based
Docker
all the container share the same host kernel
Smaller overhead than VM
enable fast development
reconfiguration o f cloud infrastuctures
Xen
ClickOS
unsuitable for containers due to dependency and deployment toolchain incompatibilities
OvS
standard VNFs
firewall
shaping
chain of container goal
user friendly container
1 docker
2 techniques to creating a chain of namespaces
Linus virtual ethernet
2 OvS
to create virtual swiches
consider the namespace chaining performance as a function of length of the chain