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Intradomain traffic engineering (TE) has become an indispensable tool for Internet service providers (ISPs) to optimize network performance and utilize network resources efficiently. Various explicit routing TE methods were recently proposed and have been able to achieve high network performance. However, explicit routing has high complexity and requires large ternary content addressable memories...
The Delay/Disruption Tolerant Network (DTN) is characterized with long delay, high bit-error rate, intermittent connectivity and frequent partitions. Due to this, network coding is introduced to improve its transmission performance significantly. Numerous DTN routing algorithms based on network coding have been developed. However, they are susceptible to various malicious attacks. In this paper, we...
Classical TE methods calculate the optimal routing based on a known traffic matrix. However, they are unable to handle unexpected traffic changes. Thus, various methods were proposed in recent years, such as online dynamic TE and robust static routing TE. However, online dynamic TE requires additional overhead on routers for information dissemination and suffers from the transient disruptions during...
Equal-Cost Multipath (ECMP) routing has been widely adopted to perform load balancing. With ECMP, a router can maintain multiple next hops for a destination IP prefix. The most common method used by such routers is to split traffic with per-flow basis evenly among those next hops. This approach, although simple, cannot achieve optimal load balancing. In this paper we study the optimal configuration...
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