Mobility
... mobile location is transparent to correspondent) care-of-address: used by home agent to forward datagrams to mobile foreign agent functions may be done by mobile itself triangle routing: correspondent-home-networkmobile inefficient when correspondent, mobile are in same network ...
... mobile location is transparent to correspondent) care-of-address: used by home agent to forward datagrams to mobile foreign agent functions may be done by mobile itself triangle routing: correspondent-home-networkmobile inefficient when correspondent, mobile are in same network ...
Recon
... Range of IP addresses assigned to target organization Protocols used Connectivity devices Typology of network DNS info Port scanning allows you to find: ◦ IP addresses and open ports of live hosts ◦ Operating systems and system architecture ◦ Services running on hosts ...
... Range of IP addresses assigned to target organization Protocols used Connectivity devices Typology of network DNS info Port scanning allows you to find: ◦ IP addresses and open ports of live hosts ◦ Operating systems and system architecture ◦ Services running on hosts ...
PPT
... • But ALL traffic has to go through it in order for it to be effective • e.g. issues with Wifi LANs and Mobile Ad Hoc Networks ...
... • But ALL traffic has to go through it in order for it to be effective • e.g. issues with Wifi LANs and Mobile Ad Hoc Networks ...
APOGEE® Building Automation
... System makes all of the information throughout a facility accessible to those who need it… whenever they need it… wherever they are. Investment protection Faced with an uncertain future, forward-thinking means keeping your options open. You need a system that delivers facility management solutions w ...
... System makes all of the information throughout a facility accessible to those who need it… whenever they need it… wherever they are. Investment protection Faced with an uncertain future, forward-thinking means keeping your options open. You need a system that delivers facility management solutions w ...
Simulators for Sensor Networks - University of Virginia, Department
... • It should have models for wireless transmissions and battery models. • It should be extremely scalable. • It should be efficient for large simulations. • There should be technical support. -A bug in the code is worth two in the documentation. ...
... • It should have models for wireless transmissions and battery models. • It should be extremely scalable. • It should be efficient for large simulations. • There should be technical support. -A bug in the code is worth two in the documentation. ...
Things we didn`t get to talk about
... – Dynamic: easy for administrators to make spontaneous changes ...
... – Dynamic: easy for administrators to make spontaneous changes ...
Fully networked devices
... Concerns the layers above the data-link Until now: mainly supporting computers ...
... Concerns the layers above the data-link Until now: mainly supporting computers ...
An introduction to Network Analyzers
... VPNn use encryption and authorization for secure communications ...
... VPNn use encryption and authorization for secure communications ...
Ethernet - wmmhicks.com
... Each router has a routing table. This contains a list of known networks and the best way to get there – outgoing port and address of nexthop router. The router looks at the IP address of a packet. It decides which network this address is on. If it knows the network it forwards the packet. If it does ...
... Each router has a routing table. This contains a list of known networks and the best way to get there – outgoing port and address of nexthop router. The router looks at the IP address of a packet. It decides which network this address is on. If it knows the network it forwards the packet. If it does ...
Strategy for VOIP
... support wireless internet data – Flexibility at the cost of complexity and efficiency (e.g. X.25 support in GPRS, PPP support in CDMA) + Rich functionality through experience (e.g., paging, micromobility) ...
... support wireless internet data – Flexibility at the cost of complexity and efficiency (e.g. X.25 support in GPRS, PPP support in CDMA) + Rich functionality through experience (e.g., paging, micromobility) ...
IM7200-L Cellular Addendum
... This service periodically pings a nominated IP address. Each ping attempt sends out a configurable number of pings, and the ping attempt fails if none of these pings are successful. With the default settings, the keep alive ping attempts are sent at the 30 second intervals. Each ping attempt sends a ...
... This service periodically pings a nominated IP address. Each ping attempt sends out a configurable number of pings, and the ping attempt fails if none of these pings are successful. With the default settings, the keep alive ping attempts are sent at the 30 second intervals. Each ping attempt sends a ...
tutorial1
... • The given network is of Class C • Its Net Mask is: 255.255.255.0 (the network id is 24 bits and local part is 8 bits) • If we take subnet mask of /27 bits then we can get 8 sub networks of 30 hosts (all 0’s and all 1’s of host addresses are reserved). ...
... • The given network is of Class C • Its Net Mask is: 255.255.255.0 (the network id is 24 bits and local part is 8 bits) • If we take subnet mask of /27 bits then we can get 8 sub networks of 30 hosts (all 0’s and all 1’s of host addresses are reserved). ...
The Internet - Seneca - School of Information & Communications
... 2. specifies how a router must forward each packet to its destination ...
... 2. specifies how a router must forward each packet to its destination ...
IP addressing
... Every IP address has two parts: 1. Network part 2. Host part IP addresses are divided into classes A,B and C to define -- large, -- medium, and -- small networks. The Class D address class was created to enable multicasting. Class E addresses reserved for future and research. ...
... Every IP address has two parts: 1. Network part 2. Host part IP addresses are divided into classes A,B and C to define -- large, -- medium, and -- small networks. The Class D address class was created to enable multicasting. Class E addresses reserved for future and research. ...
Lecture 4
... Start with m connected nodes. When a new node joins it establishes m links with a probability distribution that is proportional to the degree of the existing nodes in the network. Result: scale-free networks. • at time t the probability that node i gets a new connection is ...
... Start with m connected nodes. When a new node joins it establishes m links with a probability distribution that is proportional to the degree of the existing nodes in the network. Result: scale-free networks. • at time t the probability that node i gets a new connection is ...
International Networks and the US-CERN Link
... education and research caused by the high cost of Internet access in many countries. The Internet enables the use of content which is vital for individuals and for institutions engaged in teaching, learning and research. In many countries use of the Internet is severely restricted by the high teleco ...
... education and research caused by the high cost of Internet access in many countries. The Internet enables the use of content which is vital for individuals and for institutions engaged in teaching, learning and research. In many countries use of the Internet is severely restricted by the high teleco ...
Blue Gene/L system architecture
... dispatch, out of order execution and out of order completion, etc ...
... dispatch, out of order execution and out of order completion, etc ...
What is a “Network”?
... have to listen to see if anyone else is talking before you talk (Carrier Sense) and if you and someone else start talking at the same time, notice it (Collision Detect), say “excuse me” stop and try again later. A polite free for all with rules. Ethernet is 10Mbit (10 million bits per second) only. ...
... have to listen to see if anyone else is talking before you talk (Carrier Sense) and if you and someone else start talking at the same time, notice it (Collision Detect), say “excuse me” stop and try again later. A polite free for all with rules. Ethernet is 10Mbit (10 million bits per second) only. ...
free sample here
... Which of the following is a true statement about the OSI model layers? A. The layers cannot communicate with one another. B. Any layer can communicate directly with any other layer. C. Any layer can communicate only with the layer directly above or below it. D. Any layer can communicate only with th ...
... Which of the following is a true statement about the OSI model layers? A. The layers cannot communicate with one another. B. Any layer can communicate directly with any other layer. C. Any layer can communicate only with the layer directly above or below it. D. Any layer can communicate only with th ...
The Open System Interconnection (OSI)
... address is the OUI (organizationally unique identifier), assigned by the IEEE to each manufacturer (e.g. Cisco, Intel etc). The rest of the MAC address can be assigned in any way by the manufacturer to the individual networking devices that it manufactures ...
... address is the OUI (organizationally unique identifier), assigned by the IEEE to each manufacturer (e.g. Cisco, Intel etc). The rest of the MAC address can be assigned in any way by the manufacturer to the individual networking devices that it manufactures ...
pptx - NOISE
... competence-challenged ISP in New York, is announcing our routes to the Internet. In English, that means that they are claiming that all our traffic should be passing through them, when of course it should not. Those portions of the net that are "closer" (in network topology terms) to Con Ed will sen ...
... competence-challenged ISP in New York, is announcing our routes to the Internet. In English, that means that they are claiming that all our traffic should be passing through them, when of course it should not. Those portions of the net that are "closer" (in network topology terms) to Con Ed will sen ...
AUROREAN™ POLICY SERVER 7000 AND 3000 SERIES Data Sheet
... tunnel performance, availability, utilization and cost. Administrators can drill down to the individual user session or distributed Network Gateway, and analyze overall usage trends from the entire VPN. System level redundancy combined with AutoLink Recovery technology provide high availability acro ...
... tunnel performance, availability, utilization and cost. Administrators can drill down to the individual user session or distributed Network Gateway, and analyze overall usage trends from the entire VPN. System level redundancy combined with AutoLink Recovery technology provide high availability acro ...
Network Fundamentals
... A virtual connection point that allows software applications to share hardware resources without interfering with each other Computers and routers automatically manage network traffic traveling ...
... A virtual connection point that allows software applications to share hardware resources without interfering with each other Computers and routers automatically manage network traffic traveling ...
End-user PTT services offered by PTTSystems Ltd.
... The definition of the Push-to-Talk over Cellular (PTT) service was developed under the auspices of the Open Mobile Alliance (http://www.openmobilealliance.org). The PTT system provides half-duplex communication services, thus, no other users can access the network while one of them is transmitting ( ...
... The definition of the Push-to-Talk over Cellular (PTT) service was developed under the auspices of the Open Mobile Alliance (http://www.openmobilealliance.org). The PTT system provides half-duplex communication services, thus, no other users can access the network while one of them is transmitting ( ...