?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=DPRAODV%3A+A+Dynamic+Learning+System+Against+Blackhole+Attack+In+AODV+Based+MANET&rft.creator=Raj%2C+Payal+N.&rft.creator=Swadas%2C+Prashant+B.&rft.subject=Dynamical+Systems&rft.description=Security+is+an+essential+requirement+in+mobile+ad+hoc+networks+to+provide+protected+communication+between+mobile+nodes.+Due+to+unique+characteristics+of+MANETS%2C+it+creates+a+number+of+consequential+challenges+to+its+security+design.+To+overcome+the+challenges%2C+there+is+a+need+to+build+a+multifence+security+solution+that+achieves+both+broad+protection+and+desirable+network+performance.+MANETs+are+vulnerable+to+various+attacks%2C+blackhole%2C+is+one+of+the+possible+attacks.+Black+hole+is+a+type+of+routing+attack+where+a+malicious+node+advertise+itself+as+having+the+shortest+path+to+all+nodes+in+the+environment+by+sending+fake+route+reply.+By+doing+this%2C+the+malicious+node+can+deprive+the+traffic+from+the+source+node.+It+can+be+used+as+a+denial-of-service+attack+where+it+can+drop+the+packets+later.+In+this+paper%2C+we+proposed+a+DPRAODV+(Detection%2C+Prevention+and+Reactive+AODV)+to+prevent+security+threats+of+blackhole+by+notifying+other+nodes+in+the+network+of+the+incident.+The+simulation+results+in+ns2+(ver-2.33)+demonstrate+that+our+protocol+not+only+prevents+blackhole+attack+but+consequently+improves+the+overall+performance+of+(normal)+AODV+in+presence+of+black+hole+attack.&rft.publisher=International+Journal+of+Computer+Science+Issues%2C+IJCSI&rft.date=2009-08&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6697%2F1%2F2-54-59.pdf&rft.identifier=++Raj%2C+Payal+N.+and+Swadas%2C+Prashant+B.++(2009)+DPRAODV%3A+A+Dynamic+Learning+System+Against+Blackhole+Attack+In+AODV+Based+MANET.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6697%2F