Mobile IP: General Security Issues
... What if a node moves from one link to another without changing its IP address? (It will be unable to receive packets at the new link.) What if a node changes its IP address when it moves? (It will have to terminate and restart any ongoing communications each time it moves.) Mobile IP solves these pr ...
... What if a node moves from one link to another without changing its IP address? (It will be unable to receive packets at the new link.) What if a node changes its IP address when it moves? (It will have to terminate and restart any ongoing communications each time it moves.) Mobile IP solves these pr ...
Slide 1
... • Two ARP tables in router R, one for each IP network (LAN) • In routing table at source Host, find router 111.111.111.110 • In ARP table at source, find MAC address E6-E9-00-17-BB-4B, etc Khaled Mahbub, IICT, BUET, 2008 ...
... • Two ARP tables in router R, one for each IP network (LAN) • In routing table at source Host, find router 111.111.111.110 • In ARP table at source, find MAC address E6-E9-00-17-BB-4B, etc Khaled Mahbub, IICT, BUET, 2008 ...
Detecting Wormhole Attacks in Wireless Sensor Networks
... in the network, forwards them through a wired or wireless link with less latency than the network links, and relays them to another point in the network. This paper describes a distributed wormhole detection algorithm for wireless sensor networks, which detects wormholes based on the distortions the ...
... in the network, forwards them through a wired or wireless link with less latency than the network links, and relays them to another point in the network. This paper describes a distributed wormhole detection algorithm for wireless sensor networks, which detects wormholes based on the distortions the ...
9) Ch7 Transport Layer
... b) Each TCP then has a sending and receiving buffer and segments move in both directions. (mostly for flow and congestion control) c) When site A wants to send and receive data from another site B: • The two TCPs establish a connection between them • Data are exchanged in both directions • The conne ...
... b) Each TCP then has a sending and receiving buffer and segments move in both directions. (mostly for flow and congestion control) c) When site A wants to send and receive data from another site B: • The two TCPs establish a connection between them • Data are exchanged in both directions • The conne ...
Pi: A Practical Incentive Protocol for Delay Tolerant
... concrete delay tolerant network — vehicular DTN, where each DTN node is instantiated by vehicle driven by people running in a city environment with some velocity. In the rest of this paper, we will use the terms “node" and “vehicle" interchangeably to refer to the same DTN entity. In vehicular DTNs, ...
... concrete delay tolerant network — vehicular DTN, where each DTN node is instantiated by vehicle driven by people running in a city environment with some velocity. In the rest of this paper, we will use the terms “node" and “vehicle" interchangeably to refer to the same DTN entity. In vehicular DTNs, ...
Improved GAF in Wireless Sensor Network E-ISSN: 2321-9637 Jagpreet Singh
... network consists of spatially distributed sensors without using wires to sense the different conditions such as temperature, sound, humidity, pressure, motion or pollutants, and to transmit their data through the network to a base station. Because of no fixed infrastructure WSN are more flexible for ...
... network consists of spatially distributed sensors without using wires to sense the different conditions such as temperature, sound, humidity, pressure, motion or pollutants, and to transmit their data through the network to a base station. Because of no fixed infrastructure WSN are more flexible for ...
AICT 2013 paper
... dynamically. In this case periodical measurement results are used. To evaluate VNT status, information about average or maximum link utilization, packet delays can be used. Based on this information new lightpaths are added to source-destination pair of nodes if, for example, link utilization betwee ...
... dynamically. In this case periodical measurement results are used. To evaluate VNT status, information about average or maximum link utilization, packet delays can be used. Based on this information new lightpaths are added to source-destination pair of nodes if, for example, link utilization betwee ...
ceg790
... • Complete Wavelength Conversion – When number of FWC’s in a node is equal to total number of outgoing wavelength channels of this node ...
... • Complete Wavelength Conversion – When number of FWC’s in a node is equal to total number of outgoing wavelength channels of this node ...
MULTI-PROTOCOL LABEL SWITCHING
... by the LSP is specified in advance. The path specified could be optimal or not, but is based on the overall view of the network topology and, potentially, on additional constraints. ...
... by the LSP is specified in advance. The path specified could be optimal or not, but is based on the overall view of the network topology and, potentially, on additional constraints. ...
IEC-60870-5-103 protocol
... • Both protocols are widely used over a variety of physical layers, including RS-232, RS-422, RS-485, and TCP/IP. • Modbus has a separate specification for use over TCP/IP (Modbus-TCP). With DNP, the protocol is simply encapsulated within TCP/IP. ...
... • Both protocols are widely used over a variety of physical layers, including RS-232, RS-422, RS-485, and TCP/IP. • Modbus has a separate specification for use over TCP/IP (Modbus-TCP). With DNP, the protocol is simply encapsulated within TCP/IP. ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
... WiMAX is based on Wireless Metropolitan Area Network (WMAN). WiMAX system uses OFDM in the physical layer. OFDM is based on the adaptive modulation technique in non-line-of–sight (NLOS) environments. Base stations of WiMAX can provide communication without the need of line-of-sight (LOS) connection. ...
... WiMAX is based on Wireless Metropolitan Area Network (WMAN). WiMAX system uses OFDM in the physical layer. OFDM is based on the adaptive modulation technique in non-line-of–sight (NLOS) environments. Base stations of WiMAX can provide communication without the need of line-of-sight (LOS) connection. ...
01_NF_Ch09
... In a shared media environment, all devices have guaranteed access to the medium, but they have no prioritized claim on it. If more than one device transmits simultaneously, the physical signals collide and the network must recover in order for communication to continue. Collisions are the cost that ...
... In a shared media environment, all devices have guaranteed access to the medium, but they have no prioritized claim on it. If more than one device transmits simultaneously, the physical signals collide and the network must recover in order for communication to continue. Collisions are the cost that ...
Diffserv-MPLS-QoS
... 6 bits used for Differentiated Service Code Point (DSCP) and determine PHB that the packet will receive 2 bits are currently unused ...
... 6 bits used for Differentiated Service Code Point (DSCP) and determine PHB that the packet will receive 2 bits are currently unused ...
HSR - EPFL
... HSR behaves like a roundabout: frames in the ring have a higher priority than inserted frames. Cut-through allows wire-speed transmission from node to node, but this does not come to play a frame is being transmitted in the next node (e.g. when a long truck is entering the roundabout) ...
... HSR behaves like a roundabout: frames in the ring have a higher priority than inserted frames. Cut-through allows wire-speed transmission from node to node, but this does not come to play a frame is being transmitted in the next node (e.g. when a long truck is entering the roundabout) ...
Diffserv
... 6 bits used for Differentiated Service Code Point (DSCP) and determine PHB that the packet will receive 2 bits are currently unused ...
... 6 bits used for Differentiated Service Code Point (DSCP) and determine PHB that the packet will receive 2 bits are currently unused ...
Performance Analysis of VoMAN using Routing Protocols to Improve
... conventional session set up is made between the caller and the callee[3]. The rest of the paper is organized as follows. Section II we overview related work . In Section III, we discuss the routing protocols. Section IV describes the features of VoIP simulation methodology. Section IV discusses the ...
... conventional session set up is made between the caller and the callee[3]. The rest of the paper is organized as follows. Section II we overview related work . In Section III, we discuss the routing protocols. Section IV describes the features of VoIP simulation methodology. Section IV discusses the ...
Marina Papatriantafilou – Network layer part 2 (Control Plane)
... 1c, AS3 sends prefix reachability info to AS1. • 1c can then use “internal BGP” iBGP to distribute new prefix info to all routers in AS1 • 1b can then re-advertise new reachability info to AS2 over 1b-to-2a eBGP session • when router learns of new prefix, it creates entry for prefix in its forwardin ...
... 1c, AS3 sends prefix reachability info to AS1. • 1c can then use “internal BGP” iBGP to distribute new prefix info to all routers in AS1 • 1b can then re-advertise new reachability info to AS2 over 1b-to-2a eBGP session • when router learns of new prefix, it creates entry for prefix in its forwardin ...
PowerPoint Sunusu
... • “open”: publicly available • uses link state algorithm – LS packet dissemination – topology map at each node – route computation using Dijkstra’s algorithm ...
... • “open”: publicly available • uses link state algorithm – LS packet dissemination – topology map at each node – route computation using Dijkstra’s algorithm ...
www.eg.bucknell.edu
... In most current networking environments, RIP is not the preferred choice for routing as its time to converge and scalability are poor compared to EIGRP, OSPF, or IS-IS (the latter two being link-state routing protocols), and (without RMTI) a hop limit severely limits the size of network it can be us ...
... In most current networking environments, RIP is not the preferred choice for routing as its time to converge and scalability are poor compared to EIGRP, OSPF, or IS-IS (the latter two being link-state routing protocols), and (without RMTI) a hop limit severely limits the size of network it can be us ...
IEEE 802.15.4 MAC
... – the amount of data traffic flowing over each of the two networks – the power levels of the various devices – the data rate of the WLAN – types of information being sent over the wireless networks ...
... – the amount of data traffic flowing over each of the two networks – the power levels of the various devices – the data rate of the WLAN – types of information being sent over the wireless networks ...