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With the rapid growing of traffic, backbone routers encounter low-efficient route matching, unbalanced link utilization and queue waiting time waist problems. In order to improve the forwarding efficiency, a novel Queue Extended Forwarding (QEF) algorithm is proposed. Using extended queue and programmable router, QEF can make routing decision for queuing packet and forward more than one packets in...
The rapid development of next generation Internet (NGI) and diversity applications make numerous traffic increase. After elaborating drawbacks that traditional MPLS forwarding can not process these enormous traffic, a multipath adaptive forwarding equivalence class (MAFEC) algorithm is proposed. MAFEC can transmit the same-label-traffic into multiple available LSPs (label switch path) and can avoid...
With the rapid increasing of the same destination address traffic, traditional forwarding equivalence class (FEC) can not process these traffic efficiently. After elaborating the drawbacks of single FEC, we propose a variable FEC (VFEC) algorithm and evaluate the algorithm using ns2 simulation. VFEC obtains alternative paths and forwards these traffic to multiple available paths. From the thorough...
According to the new features of traffic distribution, a novel forwarding migration algorithm (FMA) is proposed. Programmable routers (PR) are used in FMA. One PR sets FMA bit for unbalanced traffic. Another PR forwards related traffic to the FMA link rather than to wait for matching the longest address prefix. Theoretic analysis shows that FMA can reduce the forwarding burden of core router. Simulation...
The rapid development of next generation network (NGN), communication technology and programming router in the last few years have given rise to a strong research interest in concurrent multipath (CMP) technology. Based on the analysis of flow relation and forward granularity, a novel network layer CMP forward algorithm, CCRF (crosslayer CMP random forward), is proposed. CCRF can classify different...
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