Industry is moving towards microservice-based architecture a type-2 infrastructure. For providing continuous integration and delivery there should be a mechanism of continuous service availability. New generation load balancer will play an important role to change the market dynamics in this evolution phase. They served as a API gateway, an SSL endpoint and multiple offload to leave the backend servers do the jobs they were are specialized. An intelligent LB can provide overlay network too, leaving behind the complexity of docker networking and removing extra overhead of processing the traffic of fast data path.

1. 1 © 2016 Citrix | Confidential
Linux Containers and
NetScaler CPX
Mohit Prakash Saxena
Staff Software Engg, Citrix Cloud Networking Division
Tech Lead NetScaler CPX
MARCH 9, 2017

2. 2 © 2016 Citrix | Confidential
Linux Containers

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Virtualization
Complete Emulation
Hypervisor
System Call

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Light Weight Process virtualization
BSDJails
Solaris
Zones
Linux
Containers

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Containers
Isolation
Namespaces
Control
Cgroup
Security
SELinux

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NameSpaces
PID MNT
IPCNET
UTS USER

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CGROUPS
Network
CPU
Memory
IO

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Benefits
100% Performance
•NO Resource Wastage
Quick and Easy
•Fast to Reboot

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For agility, scale and continuous improvement,
apps are transforming…
From monoliths to containers...
Using the power of many....

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Cloud-Native Apps are Driving Change. Are you Ready?

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Cloud-Native Apps are Driving Change. Are you Ready?

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Cloud-Native Apps are Driving Change. Are you Ready?

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Traditional App Micro Services
Layered Architecture
Monolithic tightly coupled code
Fine Grained Services
Loosely coupled
Decentralized
NS
NS
NS
Inventory
W
E
B
U
I
AcctCatlog
Login
Web
Business Logic
Database
Web UI
Catlog
Acct
Inventory
Login

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Micro Services: Challenges
No more clean 3 tier architecture
Managing scale
Service registration and discovery
Service routing
Provisioning

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DevOps is Changing the Development Model
Has Yours Changed?
Dev Ops
DevOps

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Architect your
MicroServices with
NetScaler CPX and MAS

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NetScaler CPX: NetScaler in a Container
MPX VPX
Hypervisor
SDX
Physical
Price-Performance
Virtual
Run Anywhere
Platform
Multi-Tenant
CPX (new)
Container
==

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Packaged as Docker Container
• Investment protection
• Same code bits  container form factor
• Managed like any other NetScaler platform
• Seamless transition from Development to Production
• Functionality:
• Load balancing
• Content Switching
• All traffic types and protocols
• SSL offloading
• DNS
• Monitoring and logging
• Nitro API
You Can Deploy In Seconds!
Server
Linux OS
Docker Engine
AppA
bin/libs
App B
bin/libs
App C
bin/libs
C
P
X
bin/libs

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MAS Turns NetScalers into a Pool – Control One to Thousands
NetScaler
MAS
CPX VPX MPX
Container
Management:
Mesos & Marathon
Docker Swarm
Kubernetes
Service
Discovery
Orchestrator: Self Service
Portal
NetScaler MAS Functions
App-centric Life
Cycle
Configuration at
Scale
Visibility and
Insights

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Containers are Spread Across the Data Center
App A App B App C App D App E App F

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Containerized Apps Talk to Each Other

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CPX Safely Bridges Your Services
CPX
Subnet 1 Subnet 3
Subnet 2

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• Scale Up and Down in response to load
• Monitor the health of your service instances
• Adapt Session Persistence, caching, etc. to your
service needs
• Gain Visibility into service traffic
Load Balance
and Scale Your Services

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Client
Microservices
RegisterLookup
Discovery Service
Service Discovery and DNS Services
Keep Track of Dynamic Changes

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Client
Microservices
RegisterLookup
Discovery Service
Service Discovery and DNS Services
Keep Track of Dynamic Changes

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CPX
NetScaler
MAS
Client
Microservices
RegisterLookup
Discovery Service
Events
Service Discovery and DNS Services
Keep Track of Dynamic Changes

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Service Discovery and DNS Services
Keep Track of Dynamic Changes
CPX
NetScaler
MAS
Client
Microservices
RegisterLookup
Discovery Service
Events
Call service Choose Service Instance

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Secure Your Microservices Connections
CPX
Microservice D
Microservice A
Microservice B
Microservice C

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Secure Your Microservices Connections
CPX
Microservice D
Microservice A
Microservice B
Microservice C

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A/B or Canary Testing
Microservice A
Microservice B
Microservice D
(Old Version)
Microservice D
(New Version)

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A/B or Canary Testing: Easier, Faster, Better
CPX
Microservice A
Microservice B
Microservice D
(Old Version)
Microservice D
(New Version)

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Unify North-South and East-West Traffic Handling
MPX/SDX/VPX

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Unify North-South and East-West Traffic Handling
MPX/SDX/VPX
CPX

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Unify North-South and East-West Traffic Handling
MPX/SDX/VPX
CPX CPX
North-South
East-West

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Unify North-South and East-West Traffic Handling
MPX/SDX/VPX
CPX CPX
NetScaler
MAS
North-South
East-West

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Container
Orchestrator
NetScaler MAS
Configuration through StyleBooks
App Configs App Components NetScaler StyleBooks
Declarative
Parameterized
Config Definition
App package
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
CPX
SDN Controller

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https://www.microloadbalancer.com

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