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In this paper we propose direct routing approach to SIP proxy load balancing. Direct routing in combination with failover techniques, also described in this paper, is probably the best choice for introduction of a redundant SIP proxy servers. Our approach is based on a standard IPVS (IP virtual server) modules distributed within GNU/Linux kernel. IPVS is additionally extended with our SIP scheduler,...
Recently, mobile ad-hoc networks (MANETs) have gained a lot of attraction because they are flexible, self-configurable and fast to deploy. Systems beyond 4G are likely to consist of a combination of heterogeneous wireless technologies and naturally might comprise MANETs as one component. In order to provide multimedia services such as voice over IP in such environment, support for session initiation...
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