PPT
... Key Establishment Each Sensor node establishes three kinds of keys: a NodeBase key that can be used for communication with the base station, pair-wise keys for immediate communication with neighbors and a group key that allows secure one to many communications. These keys provide flexibility in the ...
... Key Establishment Each Sensor node establishes three kinds of keys: a NodeBase key that can be used for communication with the base station, pair-wise keys for immediate communication with neighbors and a group key that allows secure one to many communications. These keys provide flexibility in the ...
Chapter 5: ARP
... with its own MAC address, without having to propagate the ARP packets onto other LAN segments. Hosts then send frames to the router, but act as if they are sending the frames directly to the destination host. Proxy ARP makes sure that the router receives the frame, just as with indirect delivery. 5. ...
... with its own MAC address, without having to propagate the ARP packets onto other LAN segments. Hosts then send frames to the router, but act as if they are sending the frames directly to the destination host. Proxy ARP makes sure that the router receives the frame, just as with indirect delivery. 5. ...
INTRODUCTION TO INFORMATION SYSTEMS TECHNOLOGY
... Highly vulnerable to snooping Limited distance Blocked by thick objects ...
... Highly vulnerable to snooping Limited distance Blocked by thick objects ...
PowerPoint Title
... CSMA/CA: Wireless MAC protocols often use collision avoidance techniques, in conjunction with a (physical or virtual) carrier sense mechanism Carrier sense: When a node wishes to transmit a packet, it first waits until the channel is idle. Collision avoidance: Nodes hearing RTS or CTS stay silent fo ...
... CSMA/CA: Wireless MAC protocols often use collision avoidance techniques, in conjunction with a (physical or virtual) carrier sense mechanism Carrier sense: When a node wishes to transmit a packet, it first waits until the channel is idle. Collision avoidance: Nodes hearing RTS or CTS stay silent fo ...
Wireless Sensor Networks for Personal Health Monitoring
... infrastructure required to such a technology to be implemented in ...
... infrastructure required to such a technology to be implemented in ...
MultiNet: Connecting to Multiple IEEE 802.11 Networks Using a
... of packets across the disjoint networks? What switching algorithms should we use to get the best performance from MultiNet? and How do we do synchronize multiple switching nodes in an ad hoc network? ...
... of packets across the disjoint networks? What switching algorithms should we use to get the best performance from MultiNet? and How do we do synchronize multiple switching nodes in an ad hoc network? ...
Stand Alone Computers Computer Network Local Area Network
... Each node on the network needs a NIC to connect to a LAN. The NIC allows computers to communicate over a computer network by providing physical access to the network and a unique address for each individual node (Media Access Control - MAC address). Hub A Hub is a device that connects nodes together ...
... Each node on the network needs a NIC to connect to a LAN. The NIC allows computers to communicate over a computer network by providing physical access to the network and a unique address for each individual node (Media Access Control - MAC address). Hub A Hub is a device that connects nodes together ...
Wireless Networks
... mobile end-systems keep their IP address continuation of communication after interruption of link point of connection to the fixed network can be changed ...
... mobile end-systems keep their IP address continuation of communication after interruption of link point of connection to the fixed network can be changed ...
Part I: Introduction
... client host requests, receives service from server e.g., WWW client (browser)/ server; email client/server ...
... client host requests, receives service from server e.g., WWW client (browser)/ server; email client/server ...
chapter1a
... client host requests, receives service from server e.g., WWW client (browser)/ server; email client/server ...
... client host requests, receives service from server e.g., WWW client (browser)/ server; email client/server ...
EAP
... Advantages to Infrastructure Mode • Automatic use of Network Address Translation (NAT) firewall –blocks all outside port requests • Local reserved IP addresses only used by clients. Those IP addresses will not show up on the internet. • The DCHP server (gateway) that is built into this NAT firewall ...
... Advantages to Infrastructure Mode • Automatic use of Network Address Translation (NAT) firewall –blocks all outside port requests • Local reserved IP addresses only used by clients. Those IP addresses will not show up on the internet. • The DCHP server (gateway) that is built into this NAT firewall ...
STATE UNIVERSITY OF NEW YORK COLLEGE OF TECHNOLOGY CANTON, NEW YORK
... H. CATALOG DESCRIPTION: This course will cover topics include: Network topologies and connectivity devices, TCP/IP protocol suite and internet protocol addressing, networks and sub-networks, network-layer protocols, internet control message protocol, transport layer protocol, internet protocol ver ...
... H. CATALOG DESCRIPTION: This course will cover topics include: Network topologies and connectivity devices, TCP/IP protocol suite and internet protocol addressing, networks and sub-networks, network-layer protocols, internet control message protocol, transport layer protocol, internet protocol ver ...
Networks
... through a server. They are both client and server sharing resources. Are often a form of distributive processing sharing the processing between intelligent terminals. Hardware and data files can be access from several computers. Applications may be stored on different computers and accessed by all a ...
... through a server. They are both client and server sharing resources. Are often a form of distributive processing sharing the processing between intelligent terminals. Hardware and data files can be access from several computers. Applications may be stored on different computers and accessed by all a ...
Slide 1
... • TCP/IP doesn’t have a mechanism to prevent the insertion of a fake source IP address. • An attacker can make packets look like they are from a different host than the real originator. – Helpful for attackers who don’t want to have their actions traced back. ...
... • TCP/IP doesn’t have a mechanism to prevent the insertion of a fake source IP address. • An attacker can make packets look like they are from a different host than the real originator. – Helpful for attackers who don’t want to have their actions traced back. ...
Introduction to networking
... This happens when the interface is configured with an IP address and subnet mask of a given network A remote network is one where the router cannot connect to it without the help of another router This is possible via static and dynamic routing protocols ...
... This happens when the interface is configured with an IP address and subnet mask of a given network A remote network is one where the router cannot connect to it without the help of another router This is possible via static and dynamic routing protocols ...
Update _Chapter_1
... Information system: An interconnected environment for managing and processing data using a computer Parts of an information system: ...
... Information system: An interconnected environment for managing and processing data using a computer Parts of an information system: ...
OLD_chapter_18
... • fragmentation only allowed at source • no fragmentation at intermediate routers • node must perform path discovery to find smallest MTU of intermediate networks • set source fragments to match MTU • otherwise limit to 1280 octets ...
... • fragmentation only allowed at source • no fragmentation at intermediate routers • node must perform path discovery to find smallest MTU of intermediate networks • set source fragments to match MTU • otherwise limit to 1280 octets ...
Document
... • The first part of the IP address is the network address – the remainder is the host ID • A subnet mask is used to determine the network address from a IP host address • All hosts on the same network are configured with the same subnet mask ...
... • The first part of the IP address is the network address – the remainder is the host ID • A subnet mask is used to determine the network address from a IP host address • All hosts on the same network are configured with the same subnet mask ...
Slide 1 - University of Dayton
... clients that are connected via a network to a host computer known as a server. Clients - typically PCs, a type of high-powered small computer built for specialized applications called a workstation, or a network computer. Server - typically dedicated to a specific type of processing, such as pro ...
... clients that are connected via a network to a host computer known as a server. Clients - typically PCs, a type of high-powered small computer built for specialized applications called a workstation, or a network computer. Server - typically dedicated to a specific type of processing, such as pro ...