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RFC4893 defines the transition mechanisms to use 4 byte Autonomous System numbers. This RFC has some inconsistencies and has not been implemented correctly by all vendors. As a result, several major Internet incidents related with the handling of bogus 4 byte Autonomous System Numbers (ASNs) have ocurred. The last one was registered between the 17th and the 18th August, 2009. This paper analyses BGP-4...
Wireless mesh networks (WMNs) have become a network of choice to provide broadband wireless Internet connectivity where wired infrastructure is uneconomical or impractical to deploy. Their support for inexpensive broadband Internet services has made them even more attractive and increased users' demand. Even with their abundant computational resources in the form of mesh routers (MRs), WMNs suffer...
Routers configure their paths based on the Link State Database (LSDB) in order to meet service requirements and Quality of Service (QoS) guarantee. Internet routing can be categorized into intra domain routing and inter domain routing, and QoS should be guaranteed both at the intra and inter domains for end-to-end QoS guarantee. The LSDB can be easily managed and updated at the inter domain routing...
Most network operators have considered reducing Label Switched Routers (LSR) label spaces (i.e. the number of labels that can be used) as a means of simplifying management of underlaying Virtual Private Networks (VPNs) and, hence, reducing operational expenditure (OPEX). This letter discusses the problem of reducing the label spaces in Multiprotocol Label Switched (MPLS) networks using label merging...
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