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IP Phones - GL Debuts High-Density Network Call Simulator
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IP Phones Channel
 
November 14, 2014
GL Debuts High-Density Network Call Simulator
By Tara Seals, Contributing Writer
 

GL Communications (News - Alert) has launched a high-density call simulator, which functions as a framework for the emulation of IP, TDM and wireless protocols for network testing purposes. The company has dubbed it MAPS, short for Message Automation and Protocol Simulation.


Testing IP network performance with high sustained call volume and high call intensity is increasingly important to wireless carriers, ISPs and equipment vendors, to ensure that quality of experience (QoE) doesn’t degrade with call intensity, volume or protocol. Load- and stress-testing are important to verify the stability of the IP network and network elements during pre- and post-deployment of network assets, and this requires an advanced network appliance which can generate high volume calls with traffic. In addition, packets must be delivered with high-precision timing, zero packet loss and in the proper order.

MAPS supports transport over UDP (News - Alert) and TCP, IPv4 and IPv6, and TLS for secure transport, and can perform unique endpoint emulation using IP addresses, MAC addresses and VLAN tagging. It simulates four to 20,000 endpoints in a single server, and up to 350 calls per second. Overall, it scales to around 100,000 endpoints with use of the company’s Master Controller for single point of control.

 “The HD version is a special purpose 1U hardware platform capable of high call intensity (hundreds of calls per second) and a high volume of sustained calls (tens of thousands of simultaneous calls per 1U platform),” said Jagdish Vadalia, senior manager for product development ay GL. “Multiple 1U platforms can generate and sustain 100,000 to 200,000 calls, all controlled from a single Master Controller.”

The network appliance can simulate a complete protocol state machine and offers ‘syntax-ready commands’ to build scripts—reducing the dependency on technically skilled resources. It also provides ready-to-run scripts for simulating important call scenarios or procedures. Customized test scenarios can be defined to build valid or invalid test cases.

User can also modify any signaling messages, message parameters and/or information elements; and they can add, modify or remove any optional parameter depending on specific feature of interest. Packet level fault insertion can be performed by impairing any bit or byte of a message.

Vadalia added, “Through MAPS’ inherent scripting architecture, end-to-end testing of complex networks like next-generation voice networks, unified communications, and IMS and contact centers is possible.”




Edited by Alisen Downey
 
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