Chimera

Network Impairment Emulation

USED by:

Network Equipment Manufacturers
Government
Defense
Automotive
Aerospace
Service Providers
Energy & Utilities
Finance
Academia
Enterprise IT
IT Security

TECHNOLOGIES:

Wireline & wireless networks

TEST APPLICATIONS:

Performance Testing
Functional Testing
Quality of Service
Security
Application Testing

About Chimera

Chimera is a network impairment emulator that makes it easy to introduce consistent, accurate, well-defined and repeatable impairments (e.g. packet manipulation, latency, jitter, bandwidth control and shaping) to traffic between DUTs in the lab. All rates from 10GE to 100GE are supported by a single 2-slot test module.

Chimera is ideal for NEMs who want to optimize Quality of Experience (QoE) for customers by ensuring their equipment can handle acceptable levels of impairment. Service providers, enterprises, and government agencies can also use Chimera to validate Quality of Service (QoS) for voice, video, and data traffic being sent across their networks.

Chimera can be used a “standalone” solution, but it can also be installed as a test module in a ValkyrieBay chassis for seamless integration with ValkyrieManager’s traffic generator. This provides a really simple way of emulating impairment to traffic being generated via Valkyrie all from the same GUI.

Chimera makes it easy to emulate network impairment, making it a extremely cost-effective and convenient solution for:

  • Benchmarking
  • Stress testing/ Negative testing
  • “What-if” testing
  • Regression testing

Used to emulate

latency and jitter in Ethernet traffic

at 10GE, 25GE, 40GE, 50GE and 100GE

EXAMPLE OF USE

FINANCE

Time waits for no man – especially if he wants to succeed in finance. The high pace of international trading means millisecond delays can impact bottom line results. Measuring the impact of latency and jitter on networks and services is essential for improving financial performance. That’s where Chimera comes in.

EXAMPLE OF USE

SERVICE PROVIDERS

Customers increasingly expect the same experience when they are on the move as when they are at home. Service providers use Chimera to validate Quality of Service (QoS) for voice, video, and data traffic being sent across their networks.

System diagram

CHIMERA IN VALKYRIEMANAGER

When a Chimera test module is installed in a ValkyrieBay chassis, ValkyrieManager detects its presence and makes the Chimera’s software options available for adding impairment. This makes it very easy for test engineers to emulate impairment via the same GUI they use for generating the stateless Ethernet traffic.

ChimeraManager

ChimeraManager is a web-based interface for configuring and emulating consistent, accurate, well-defined and repeatable impairments such as latency, jitter to traffic between DUTs in the lab.

This diagram illustrates how the Chimera test module emulates impairment. Incoming traffic enters a flow filter and different types of impairment are then added (as defined in the GUI), with each traffic flow being processed in a prioritized order.

Two hardware options

Both options below support impairment emulation at all rates from 10GE to 100GE via a single Chimera test module.

TEST MODULE

Chimera is currently available as a 2-slot test module for a ValkyrieBay chassis, where ValkyrieManager is used to emulate impairment as part of it standard user-interface.

STANDALONE CHASSIS:

Xena will soon release the ChimeraCompact – a standalone device in a quiet desktop-sized chassis.

Latest Features

RELEASE 0.8

The initial release of Chimera provided this basic set of features:

  • Constant latency
  • 100GE support
  • Support in ValkyrieManager via pop-up menu
  • Impairment configuration can be changed dynamically

RELEASE 0.9

The following features have now been added to Chimera:

  • 10G, 25G, 40G and 50G support in addition to 100G support (1 port pair per speed)
  • Latency up by factor 2x for all speeds (to 160 ms @ 100GE)
  • Save/recall Emulator projects
  • Support in ValkyrieManager with setup pages
  • Nanosecond resolution on latency impairment
  • Implementation in the GUI of “Per Direction” and “Port Pair View”

Coming Soon

Full access via ValkyrieManager

In Valkyrie Release 80, Chimera will be fully available as standard. Users will be able to create up to eight (8) impairment flows. In addition to basic latency and jitter, it will also be possible to impair traffic based on:

  • Misordering
  • Duplication
  • Corruption (FCS)
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