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Avaya Labs Research Networked Systems Research
arrow Back to Avaya Labs Research Initiatives and Projects
Networked systems research focuses on delivering secure, reliable, high-quality IP communications over wired and wireless networks.

Delivering robust IP communications involves many aspects - foremost among them are security, reliability, and availability of IP communication applications and system components.  One of the prerequisites for the wide adoption of IP communications in mission-critical applications in the enterprise is dependability - secure, reliable, and always available communications.  These characteristics have to be realized on a variety of network infrastructures with varying degrees of robustness.  We approach this with the following objective:  to be the last service standing when the network is attacked and to resume normal operation immediately once the attack dissipates. 
initiative leader

Networked Systems Research

Anjur S. Krishnakumar
I have been with Avaya Labs since 2002.  Starting with a focus on good quality VoIP on wireless networks,   we have broadened it to the development of dependable IP communications over wired and wireless networks.  We are pursuing this with an overlay perspective, i.e., focusing on application dependability as opposed to infrastructure dependability.
PROJECTS
arrowComplementary VoIP Service
The Complementary Voice Service (CVS) allows a PSTN subscriber to be reached on the existing PSTN phone number anywhere where there is access to the Internet
arrowORBIT - Overlays Providing Reliability for Better IP Telephony
ORBIT improves IP telephony performance and reliability by intelligently monitoring connection quality and rapidly detecting network problems and in case degradation occurs, redirecting VoIP traffic via independent relays scattered throughout a network.
arrowSSDP - Secure Services Delivery Platform
SSDP provides a unified umbrella that provides secure, seamless, global and multi-channel access to services-related tools, experts and information.
arrowLibsafe
Libsafe provides a layer of protection against buffer overflow attacks without requiring access to the source code of the application programs and protects all application programs running on a system, thereby leading to more reliable systems.
arrowEmbedded Firewalls
Embedded Firewalls leverage VoIP-specific characteristics to prevent unwarranted requests from reaching IP phones before they can overwhelm a phone's processing capabilities and thereby disrupt communications.
arrowCallisto
Callisto facilitates high-quality T1 service by providing both the business and the facilities provider with the ability to monitor the T1 service and run diagnostics on its performance levels.
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