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Collapsed forwarding has long been used in cache systems to reduce the load on servers by aggregating requests for the same content. Named Data Networking (NDN) as a future Internet architecture incorporates this technique through a data structure called Pending Interest Table (PIT). The request aggregation feature suggests that PIT can be viewed as a nonreset time-to-live (TTL) based cache. The Content...
A direct sensor to actuator communication model for Ethernet-based Networked Control Systems (NCSs) is presented in this paper. This model is compared to a previously introduced model including an in-loop controller node. OMNET simulations showed the success of the presented model in meeting system delay and strict zero packet loss (with no over-delayed packets) requirements. The model also showed...
Sink mobility has become an increasingly important requirement of various sensor network applications. Handling such mobile sink conditions brings new challenges to large-scale sensor networking. This investigation proposed a hybrid-structure routing protocol (HSRP) that combines the benefits of grid-based and cluster-based structures. Grid-based structure is designed to solve the cluster head selection...
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