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Therefore, after maximum number of retries HWMP will initiate route discovery.
The performance of the E-HWMP (which is incorporated with the proposed LA- based DCS algorithm) is compared with the default IEEE 802.11s based HWMP routing protocol .
We assume that the condition of the wireless link is the same when comparing a performance between the proposed algorithm and HWMP.
In the next section, we analyze and compare the performance of the proposed algorithm with IEEE 802.11 s HWMP routing and static scheduling.
Classification of routing protocols Reactive Protocols Proactive Protocols Hybrid Protocols Ad hoc On-Demand Optimized Link State Hybrid Wireless Mesh Distance Vector Protocol (OLSR) Protocol (HWMP) (AODV), Dynamic Source Destination-Sequenced Hazy Sighted Link Routing (DSR), Distance Vector State routing protocol routing (DSDV) (HSLS), Zone Routing Protocol (ZRP) Hybrid Routing Protocol for Large Scale Mobile Ad Hoc Networks with Mobile Backbones (HRPLS) Tab.
IEEE 802.11s is based on HWMP , which through its routing table shares a lot of routing information about its neighbors, which can easily be extended with channel allocation information for multi-radio mesh networks.
The route discovery process in HWMP begins with a source mesh station broadcasting path request (PREQ) frames in an attempt to find a path to the destination.
The primary contribution of this paper is to propose a security framework of the routing protocol which provides and ensure end-to-end as well as point-to-point authentication and integrity to both mutable and non-mutable fields of the routing frames of HWMP by adding message extension fields to all five HWMP path selection frames (path request, path reply, root announcement, path error, and gate announcement) elements.
The combination of the reactive and proactive elements of HWMP enables efficient path selection in a wide variety of mesh networks.
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