Mobile ad hoc network
... are comprised of a group of workstations or other wireless devices which communicate directly with each other to exchange information. Think of these connections as spontaneous networks, available to whomever is in a given area. An ad hoc network is one where there are no access points passing infor ...
... are comprised of a group of workstations or other wireless devices which communicate directly with each other to exchange information. Think of these connections as spontaneous networks, available to whomever is in a given area. An ad hoc network is one where there are no access points passing infor ...
network security
... State the four principles of computer security and describe how different network security devices reflect those principles. Describe client/server business networks from a business and physical point of view. ...
... State the four principles of computer security and describe how different network security devices reflect those principles. Describe client/server business networks from a business and physical point of view. ...
Routing Protocols
... network! WHY? In order to route packets on optimal routes through the network to their destinations, we must first decide what is to be optimized: ...
... network! WHY? In order to route packets on optimal routes through the network to their destinations, we must first decide what is to be optimized: ...
End to end and up and down
... • Must have application support – has to work with existing protocol stack & applications – QoS features in wireless LAN must be transparent application should not know or care what the underlying transport is Submission ...
... • Must have application support – has to work with existing protocol stack & applications – QoS features in wireless LAN must be transparent application should not know or care what the underlying transport is Submission ...
lecture
... Ad Hoc Network: A temporary one made up of stations in mutual range. Infrastructure Network: One with one or more Access Points. Channel: A radio frequency band, or Infrared, used for shared communication. Basic Service Set (BSS): A set of stations communicating wirelessly on the same channel in the ...
... Ad Hoc Network: A temporary one made up of stations in mutual range. Infrastructure Network: One with one or more Access Points. Channel: A radio frequency band, or Infrared, used for shared communication. Basic Service Set (BSS): A set of stations communicating wirelessly on the same channel in the ...
No Slide Title
... channels” which are like telephone calls •Requires all end stations to convert information into small, fixed- sized “cells” •Cells are placed on appropriate virtual channel ...
... channels” which are like telephone calls •Requires all end stations to convert information into small, fixed- sized “cells” •Cells are placed on appropriate virtual channel ...
layering
... – Network has 100 Mbps (units of bandwidth) – Each user subscribes to 5 Mbps, for videos – But a user is active only 50% of the time … • How many users can the ISP support? – With dedicated bandwidth for each user: ...
... – Network has 100 Mbps (units of bandwidth) – Each user subscribes to 5 Mbps, for videos – But a user is active only 50% of the time … • How many users can the ISP support? – With dedicated bandwidth for each user: ...
Chapter 4 Introduction to Network Layer
... A good example of a circuit-switched network is the early telephone systems in which the path was established between a caller and a callee when the telephone number of the callee was dialed by the caller. When the callee responded to the call, the circuit was established. The voice message could no ...
... A good example of a circuit-switched network is the early telephone systems in which the path was established between a caller and a callee when the telephone number of the callee was dialed by the caller. When the callee responded to the call, the circuit was established. The voice message could no ...
PART II: Multi-layer TE in Metropolitan Area Networks
... in the network, there is the need of rerouting/switching the affected traffic along alternative routes. For example, this possibly implies longer routes and therefore higher propagation delays and thus higher end-to-end delays. For time-sensitive applications (e.g. multimedia applications, voice ove ...
... in the network, there is the need of rerouting/switching the affected traffic along alternative routes. For example, this possibly implies longer routes and therefore higher propagation delays and thus higher end-to-end delays. For time-sensitive applications (e.g. multimedia applications, voice ove ...
Link asymmetry - GIST Networked Computing Systems Laboratory
... Passive scheme : collect accurate and stable link-quality information from a large volume of existing data traffic. ...
... Passive scheme : collect accurate and stable link-quality information from a large volume of existing data traffic. ...
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... protocol that links a network operating system with specific network hardware. It is an application programming interface (API), not a full networking suite. It uses unique 15-character names that are periodically broadcast over the network so the names can be cataloged by the Network Neighborhood f ...
... protocol that links a network operating system with specific network hardware. It is an application programming interface (API), not a full networking suite. It uses unique 15-character names that are periodically broadcast over the network so the names can be cataloged by the Network Neighborhood f ...
3rd Edition: Chapter 4
... All datagrams leaving local network have same single source NAT IP address: 138.76.29.7, different source port numbers ...
... All datagrams leaving local network have same single source NAT IP address: 138.76.29.7, different source port numbers ...
Networks
... network that spans a metropolitan area or campus. • Its geographic scope falls between a WAN and LAN. • MANs provide Internet connectivity for LANs in a metropolitan region, and connect them to wider area networks like the Internet. • The MAN technologies are similar to the WAN ...
... network that spans a metropolitan area or campus. • Its geographic scope falls between a WAN and LAN. • MANs provide Internet connectivity for LANs in a metropolitan region, and connect them to wider area networks like the Internet. • The MAN technologies are similar to the WAN ...
Document
... • Allows for more complex policies based on current state of connections between two machines. – Let incoming UDP packets through only if they are responses to outgoing UDP packets you have seen. – Accept TCP packets with SYN set only as part of TCP connection initiation. ...
... • Allows for more complex policies based on current state of connections between two machines. – Let incoming UDP packets through only if they are responses to outgoing UDP packets you have seen. – Accept TCP packets with SYN set only as part of TCP connection initiation. ...
FFPF: Fairly Fast Packet Filters
... monitoring increasingly important hypothesis: multiple applications on single host ...
... monitoring increasingly important hypothesis: multiple applications on single host ...
- IEEE Mentor
... We need more use cases motivating why we would want to have voice and video traffic over the smart grid network. The current set of use cases supplied by OpenSG does not currently contain this service. The only video example given in the text is one of surveillance of affected outage areas. It would ...
... We need more use cases motivating why we would want to have voice and video traffic over the smart grid network. The current set of use cases supplied by OpenSG does not currently contain this service. The only video example given in the text is one of surveillance of affected outage areas. It would ...
A Tag Encoding Scheme against Pollution Attack to
... of size 128 bits with very high computational complexity. In addition, even if the schemes in tolerate less nodes to be compromised, very large redundancy is needed to append to each data packet. For example, if the most recent MacSig scheme allows 15 nodes to be compromised with a probability 99.5 ...
... of size 128 bits with very high computational complexity. In addition, even if the schemes in tolerate less nodes to be compromised, very large redundancy is needed to append to each data packet. For example, if the most recent MacSig scheme allows 15 nodes to be compromised with a probability 99.5 ...
Presentation Title Presentation Title Presentation Title
... Joshi, H., & Michel, H. (2007). Integrating Information-Centric, Control-Centric and Behavior-Centric Technical Reference Models for Autonomous Sensor Networks. Proceedings of the 2007 International Conference on Wireless Networks ICWN, (pp. 319-324). Las Vegas, NV. Fortier, P., & Michel, H. (2005). ...
... Joshi, H., & Michel, H. (2007). Integrating Information-Centric, Control-Centric and Behavior-Centric Technical Reference Models for Autonomous Sensor Networks. Proceedings of the 2007 International Conference on Wireless Networks ICWN, (pp. 319-324). Las Vegas, NV. Fortier, P., & Michel, H. (2005). ...
One Decoding Step
... • Leading edge not significantly different from DoS signal so next step is to look within the spikes ...
... • Leading edge not significantly different from DoS signal so next step is to look within the spikes ...
PPT file - University of New Mexico
... – establishes reliable end-to-end transport session (error detection and recovery), once path has been established – fragmentation of message into packets (if not handled by layer 3) – multiplexing of several sessions from same source and all going to same destination – creates distinct network conn ...
... – establishes reliable end-to-end transport session (error detection and recovery), once path has been established – fragmentation of message into packets (if not handled by layer 3) – multiplexing of several sessions from same source and all going to same destination – creates distinct network conn ...
Week #9
... the hubs of your network, and how far they are from each other A more detailed version is the workstation connectivity diagram, which examines one segment (hub) and looks at the distances involved in its connections ...
... the hubs of your network, and how far they are from each other A more detailed version is the workstation connectivity diagram, which examines one segment (hub) and looks at the distances involved in its connections ...
DHCP/NAT/IPv6
... Priority: identify priority among datagrams in flow Flow Label: identify datagrams in same “flow.” (concept of“flow” not well defined). Next header: identify upper layer protocol for data ...
... Priority: identify priority among datagrams in flow Flow Label: identify datagrams in same “flow.” (concept of“flow” not well defined). Next header: identify upper layer protocol for data ...
TCP/IP Internetworking (Part 2)
... In this case network 192.168.x.x and network 60.x.x.x). An “x” indicates anything Corporate network 192.168.x.x ...
... In this case network 192.168.x.x and network 60.x.x.x). An “x” indicates anything Corporate network 192.168.x.x ...