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As Internet routers scale to support next-generation networks, their memory subsystems must also scale. Several solutions combine static RAM and dynamic RAM buffering but still have major scaling limitations. Using a parallel architecture and distributed memory-management algorithms with hybrid SRAM/DRAM improves buffering performance. The parallel hybrid SRAM/DRAM memory system is also work conserving,...
Multicast patching is one of the techniques to reduce the burden of a video on demand (VOD) server. A novel patching mechanism by using multi-homing has placed its logical channel into another network interface of a client terminal. The performance of proposed patching mechanism is presented via numerical analysis. In summary, our proposed scheme modifies multicast patching model using extended client...
This paper proposes a novel framework to solve the survivable routing problem with shared path protection in a distributed control environment. The work mainly concerns how to dynamically determine a protection cycle (i.e., two link-disjoint paths between a source-destination node pair) and allocate spare capacity for a connection establishment request so as to minimize total bandwidth consumption...
This paper proposes the design of a scalable and reliable QoS architecture for mobile ad-hoc networks, which consists of i) a multi-path routing protocol, ii) a call admission control (CAC) scheme and iii) a congestion control mechanism. The multi-path routing protocol utilizes erasure code techniques for producing replicated fragments for each packet, to enhance reliability. Important fragments can...
The primary function of the Internet protocol (IP) is delivering datagram's across an internetwork and addressing is one of the most important functions of IP. Communication between hosts over an internetwork is accomplished using IP addresses, but the actual communication over a physical network takes place using physical addresses. The mapping of IP addresses to physical addresses is done through...
There are many fields at where ad hoc networks are used, but applications like mission critical and commercial production or broadcasting which mostly contain real time audio and video streams and require absolute end to end guarantee for QoS. The key attribute these applications for guarantying for QoS is, they need routing path for connectivity like virtual leased line that is very difficult in...
The goal of the paper is to present a decomposed approach to optimization of inter-domain routing in IP networks. A problem of maximizing the total amount of traffic carried in an inter-domain network is formulated as a linear programme. Using Lagrangean relaxation the problem is decomposed with respect to individual domains. A resolution method based on subgradient optimization combined with recovering...
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