all about engineering

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Latest Blog Posts for all syllabus

  • Security in adhoc networks
    on Oct 5, 2013
    The following are the security threat in adhoc network. 1. Limited computational capabilities : the nodes in the mobile adhoc network are modular, independent and will have limited computational capability. It becomes a source of vulnerability when...
  • Temporary ordered routing algorithm [TORA]
    on Oct 5, 2013
    It is also a source initiated routing algorithm, creates multiple routes for any source/ destination pair. The advantage of multiple routes is that route discovery is not required for every alteration in the network topology. TORA consists of thre...
  • Adhoc on demand distance vector [AODV]
    on Oct 5, 2013
    It is a source initiated routing protocol in mobile adhoc networks. The algorithm consist of 2 phases 1. Route discovery phase 2. Route maintenance phase In route discovery phase the path from source to destination is identified by broadcasting r...
  • Associated based routing [ABR]
    on Oct 5, 2013
    Associated based routing [ABR]: ABR is an efficient on-demand or source initiated routing protocol. In ABR, the destination node decides the best route, using node associativity. ABR is suitable for small networks, as it provides fast route discovery...
  • Source initiated / reactive protocol
    on Oct 5, 2013
    * Dynamic source routing [DSR]: DSR is a source initiated or on demand routing protocol in which source finds unexpired route to the destination to send the packet. It is used in the network where mobile nodes move with moderate speed. * Overhead i...
  • Wireless routing protocol [WRP]
    on Oct 5, 2013
    WRP is also based on table driven approach this protocol makes use of 4 tables 1. Distance table :- Which contains information like destination, next hop, distance 2. Routing table: - Which contains routing information. 3. Link cost table:- Whic...
  • Cluster head gateway switch router [CGSR]
    on Oct 5, 2013
    CGSR is also a table driven routing protocol. In this algorithm the mobile devices will be grouped to form a cluster the grouping is based on the range and each cluster is controlled by cluster head. All the mobile devices will maintain 2 tables clus...
  • Table driven / proactive
    on Oct 5, 2013
    * Destination sequenced distance vector [DSDV]: The DSDV is table driven based routing algorithm. DSDV is improved version of Bellman Ford routing algorithm. * Each DSDV node maintain two routing tables: - table for forwarding packets, and table for...
  • Classification of routing protocols
    on Oct 5, 2013
    Ad-hoc Routing protocols can be categorized as table-driven or source initiated. Table-driven or proactive ,routing protocols finds routes to all possible destinations ahead of time. The routes are recorded in the nodes’ routing tables and are upda...
  • Applications of MANETs
    on Oct 5, 2013
    Collaborative Work - For some business scenarios, the need for collaborative computing might be more important outside office environments than inside a building. After all, it is often the case where people do need to have outside meetings to cooper...
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