Cisco Cisco Intelligent Automation for Cloud 4.2 User Guide

Network Services Overview

Understanding Network Services

Network Architecture 

VSA 1.0 Design 


Orchestration of VSA 1.0 Virtual Network Services Design:

Nexus 1000v

CSR 1000v

Cisco Virtual Security Gateway (VSG)

Citrix NetScaler VPX / Citrix NetScaler 1000v

: Citrix NetScaler 1000V brings together Citrix NetScaler with Cisco Nexus 1000V Switch vPath technology for 

policy-based service insertion and chaining. As of Citrix NetScaler 1000V Release 10.1-124.14, vPath can be 
disabled to load-balance physical servers or load-balance workloads running on any hypervisor. Note that Cisco IAC 
no longer uses vPath for NetScaler, but only for VSG.

VSA 2.3 Design


Extendable to support VSA 2.3 Design:

ASR 1000

Cisco 7600

Nexus 2000/5000/7000

ASA-SM

FWSM

Extensible to additional devices and architectures 

Supported Virtual Appliances

Cisco IAC 4.2 Virtual Appliances and their functions are listed below.

For for the full list of supported Virtual Appliances, see the 

. 

Appliance

Function

Citrix NetScaler 1000v

Virtualized load balancing per Tenant’s Organization

CSR 1000v

Virtual routing instance Hypervisor-isolated, Virtual 
enterprise-class Cisco IOS-XE router per Tenant’s Organization. 
Used primarily for zone-based firewall capabilities.

Nexus 1000v

Distributed vSwitch

Prime NSC

Dynamic, template-focused network policy management based 
on service profiles for Security Policy Management. Tightly 
integrated with management and orchestration tools such as 
Cisco IAC 4.2.

Virtual Security Gateway (VSG) 

Virtual zone to secure intra-network traffic.