View File - University of Engineering and Technology, Taxila
... existing proposals are typically attack-oriented in that they first identify several security threats and then enhance the existing protocol or propose a new protocol to thwart such threats. Because the solutions are designed explicitly with certain attack models in mind, they work well in the prese ...
... existing proposals are typically attack-oriented in that they first identify several security threats and then enhance the existing protocol or propose a new protocol to thwart such threats. Because the solutions are designed explicitly with certain attack models in mind, they work well in the prese ...
IOSR Journal of Computer Engineering (IOSR-JCE) e-ISSN: 2278-0661, p-ISSN: 2278-8727 PP 00-00 www.iosrjournals.org
... Anyone with a transceiver can eavesdrop on wireless transmissions, inject spurious messages, or jam legitimate ones. While eaves- dropping and message injection can be prevented using cryptographic methods, jamming attacks a remuch harder to counter. They have been shown to actualize severe Denial-o ...
... Anyone with a transceiver can eavesdrop on wireless transmissions, inject spurious messages, or jam legitimate ones. While eaves- dropping and message injection can be prevented using cryptographic methods, jamming attacks a remuch harder to counter. They have been shown to actualize severe Denial-o ...
Scaling the Network: The Internet Protocol Networking CS 3470, Section 1
... An arbitrary collection of networks interconnected to provide some sort of host-host packet delivery service ...
... An arbitrary collection of networks interconnected to provide some sort of host-host packet delivery service ...
IEEE 802.11 based WLANs
... A ring consists of a single or dual (FDDI) cable in the shape of a loop Each station is only connected to each of its two nearest neighbors. Data in the form of packets pass around the ring from one station to another in uni-directional way. Advantages : (1) Access method supports heavy load witho ...
... A ring consists of a single or dual (FDDI) cable in the shape of a loop Each station is only connected to each of its two nearest neighbors. Data in the form of packets pass around the ring from one station to another in uni-directional way. Advantages : (1) Access method supports heavy load witho ...
tutorial7
... • RPF+ (improvement - look one step further) – A router forwards packets only to the neighbors that it is their “father” on the shortest path from a source ...
... • RPF+ (improvement - look one step further) – A router forwards packets only to the neighbors that it is their “father” on the shortest path from a source ...
3rd Edition: Chapter 3
... RIP: link failure, recovery if no advertisement heard after 180 sec --> neighbor/link declared dead routes via neighbor invalidated new advertisements sent to neighbors neighbors in turn send out new advertisements (if ...
... RIP: link failure, recovery if no advertisement heard after 180 sec --> neighbor/link declared dead routes via neighbor invalidated new advertisements sent to neighbors neighbors in turn send out new advertisements (if ...
Chapter 19 - William Stallings, Data and Computer
... some members of group may not require delivery from particular source over given time some group members may only be able to handle a portion of the transmission reservation means routers can decide in advance if ...
... some members of group may not require delivery from particular source over given time some group members may only be able to handle a portion of the transmission reservation means routers can decide in advance if ...
Document
... — No reference to packets that have gone before — Each node chooses next node on path — Packets with same destination address do not follow same route — May arrive out of sequence — Exit node or destination restores packets to original order — Packet may be destroyed in transit — Either exit node or ...
... — No reference to packets that have gone before — Each node chooses next node on path — Packets with same destination address do not follow same route — May arrive out of sequence — Exit node or destination restores packets to original order — Packet may be destroyed in transit — Either exit node or ...
Document
... maps and giving directions Forwarding = moving packets between interfaces according to the “directions” ...
... maps and giving directions Forwarding = moving packets between interfaces according to the “directions” ...
(IS-IS) draft-li-isis-degradation-isolation-problem-00
... – the network error can not be isolated automatically – The error ratio of IP packets increases ...
... – the network error can not be isolated automatically – The error ratio of IP packets increases ...
Network Devices - York Technical College
... database is built and best paths chosen, traffic is minimized because updates only occur when there is a topology change, (for example, a network goes down) and LSAs are exchanged to make the update in the database. ...
... database is built and best paths chosen, traffic is minimized because updates only occur when there is a topology change, (for example, a network goes down) and LSAs are exchanged to make the update in the database. ...
Lecture 6: Vector
... • Key to protocol families is that communication occurs logically at the same level of the protocol, called peer-topeer, but is implemented via services at the lower level • Danger is each level increases latency if implemented as hierarchy (e.g., multiple check sums) ...
... • Key to protocol families is that communication occurs logically at the same level of the protocol, called peer-topeer, but is implemented via services at the lower level • Danger is each level increases latency if implemented as hierarchy (e.g., multiple check sums) ...
Lecture 13: Mobile Ad Hoc Networks
... dest_sequence_#, hop_cnt,lifetime> to neighbor from which it has received the RREQ. • Intermediate node respond the same but with hop_cnt set to its distance from the destination. • RREP travels back to the source along the reverse path • Each upstream node updates dest_sequence_#, sets up a forward ...
... dest_sequence_#, hop_cnt,lifetime> to neighbor from which it has received the RREQ. • Intermediate node respond the same but with hop_cnt set to its distance from the destination. • RREP travels back to the source along the reverse path • Each upstream node updates dest_sequence_#, sets up a forward ...
ECEN5553 Week 3
... IEEE 802.1p Priority Tags 8 priorities MAC protocols remain unchanged Used by 802.1p enabled switches ...
... IEEE 802.1p Priority Tags 8 priorities MAC protocols remain unchanged Used by 802.1p enabled switches ...
lecture
... Generating a Token (and agreeing on TTRT) execute when join ring or suspect a failure send a claim frame that includes the node’s TTRT bid when receive claim frame, update the bid and forward if your claim frame makes it all the way around the ring: • your bid was the lowest ...
... Generating a Token (and agreeing on TTRT) execute when join ring or suspect a failure send a claim frame that includes the node’s TTRT bid when receive claim frame, update the bid and forward if your claim frame makes it all the way around the ring: • your bid was the lowest ...
Constraint-based routing
... L2VPNs - Allows networks based on link-layer technology to be interconnected via an MPLS backbone (huge parts of the provider networks are based on legacy technology like ATM, Frame Relay or Ethernet). The difference between L3 and L2 VPNs can be found in the relation between Provider Edge (PE) and ...
... L2VPNs - Allows networks based on link-layer technology to be interconnected via an MPLS backbone (huge parts of the provider networks are based on legacy technology like ATM, Frame Relay or Ethernet). The difference between L3 and L2 VPNs can be found in the relation between Provider Edge (PE) and ...
ppt
... Transparent Bridges / Switches • Design goals: • Self-configuring without hardware or software changes • Bridge do not impact the operation of the individual LANs ...
... Transparent Bridges / Switches • Design goals: • Self-configuring without hardware or software changes • Bridge do not impact the operation of the individual LANs ...
chap2_2ed_5July02 - Mount Holyoke College
... Bridges + and • + Bridge operation is simpler requiring less packet processing • + Bridge tables are self learning • - All traffic confined to spanning tree, even when alternative bandwidth is available • - Bridges do not offer protection from broadcast storms ...
... Bridges + and • + Bridge operation is simpler requiring less packet processing • + Bridge tables are self learning • - All traffic confined to spanning tree, even when alternative bandwidth is available • - Bridges do not offer protection from broadcast storms ...
Chapter 11 Interior Routing Protocols
... —If larger metric allowed, convergence becomes lengthy ...
... —If larger metric allowed, convergence becomes lengthy ...
Chp. 4, Part III - comp
... • Split horizon is another solution to solving 2node routing loop. – A node will not advertise a route back to another node that serves as the next hop for that route. – For example, B, C, F will not advertise their routes to E back to A. ...
... • Split horizon is another solution to solving 2node routing loop. – A node will not advertise a route back to another node that serves as the next hop for that route. – For example, B, C, F will not advertise their routes to E back to A. ...
PowerPoint - ECSE - Rensselaer Polytechnic Institute
... The CBR service is most useful for variable-bit-rate, adaptive data transport The key difference between GFR and UBR is that the former allows the minimum frame rates (instead of minimum cell rates) and emulates an equivalent of a frame-relay VC ABR provides a feedback-based traffic mana ...
... The CBR service is most useful for variable-bit-rate, adaptive data transport The key difference between GFR and UBR is that the former allows the minimum frame rates (instead of minimum cell rates) and emulates an equivalent of a frame-relay VC ABR provides a feedback-based traffic mana ...
ANANDH.C.BOSE Email Id: Career
... User is allowed to login to the site by using a unique user name and password. After successfully logging in,he is given facility to order for the services he need. ...
... User is allowed to login to the site by using a unique user name and password. After successfully logging in,he is given facility to order for the services he need. ...
Network Devices
... the data link layer (layer 2) of the OSI model. • Bridges are similar to repeaters or network hubs, devices that connect network segments at the physical layer • However a bridge works by using bridging where traffic from one network is managed rather than simply rebroadcast to adjacent network segm ...
... the data link layer (layer 2) of the OSI model. • Bridges are similar to repeaters or network hubs, devices that connect network segments at the physical layer • However a bridge works by using bridging where traffic from one network is managed rather than simply rebroadcast to adjacent network segm ...