lecture11
... organizations may have to address two issues : First, networks often communicate using a variety of protocols, such as IPX and NetBEUI, but the Internet can only handle TCP/IP traffic. So VPN may need to provide a way to pass non-TCP/IP protocols from one network to another. Second data packets trav ...
... organizations may have to address two issues : First, networks often communicate using a variety of protocols, such as IPX and NetBEUI, but the Internet can only handle TCP/IP traffic. So VPN may need to provide a way to pass non-TCP/IP protocols from one network to another. Second data packets trav ...
Signature Based and Anomaly
... Hosts that are subjected to large amounts of traffic the IDS can have a difficult time inspecting every single packet that it comes in contact, which then forces some packets to be dropped leaving the potential for hazardous packets getting by without detection Systems can suffer a substantial perfo ...
... Hosts that are subjected to large amounts of traffic the IDS can have a difficult time inspecting every single packet that it comes in contact, which then forces some packets to be dropped leaving the potential for hazardous packets getting by without detection Systems can suffer a substantial perfo ...
Beginner`s SETUP GUIDE for NANOSTATION-2
... • Open your browser (e.g. Internet Explorer, Firefox, Opera, etc.) and type in address bar: http://192.168.1.20 (the default address of the Nano) then press the Enter key. • Type in ubnt twice and click OK → (If this window did not appear, there may be a problem with the wiring, the network card or ...
... • Open your browser (e.g. Internet Explorer, Firefox, Opera, etc.) and type in address bar: http://192.168.1.20 (the default address of the Nano) then press the Enter key. • Type in ubnt twice and click OK → (If this window did not appear, there may be a problem with the wiring, the network card or ...
Module 2: Assigning IP Addresses in a Multiple Subnet
... When you use a default gateway: The default gateway: Routes packets to other networks Is used when the internal routing table on the host has no information on the destination subnet DHCP automatically delivers the IP address for the default gateway to the client To configure the client manually ...
... When you use a default gateway: The default gateway: Routes packets to other networks Is used when the internal routing table on the host has no information on the destination subnet DHCP automatically delivers the IP address for the default gateway to the client To configure the client manually ...
The OSI Model: Understanding the Seven Layers of Computer
... Protocol (IP) addresses make networks easier to both set up and connect with one another. The Internet uses IP addressing to provide connectivity to millions of networks around the world. To make it easier to manage the network and control the flow of packets, many organizations separate their netwo ...
... Protocol (IP) addresses make networks easier to both set up and connect with one another. The Internet uses IP addressing to provide connectivity to millions of networks around the world. To make it easier to manage the network and control the flow of packets, many organizations separate their netwo ...
The IPv6 QoS system implementation in virtual infrastructure
... private network (VPN) services [29] can be used to create VN. A VPN can be considered as a network service with a set of tunnels between network end-points. This kind of network offers traffic isolation and security depending on the chosen technique. Different VPN services used on provider edge node ...
... private network (VPN) services [29] can be used to create VN. A VPN can be considered as a network service with a set of tunnels between network end-points. This kind of network offers traffic isolation and security depending on the chosen technique. Different VPN services used on provider edge node ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... In routing for group communication usually sender transmits a stream of data to a set of receivers. Storing of destination address was making more and more congested and overloaded in the source node. An alternative node has chosen to treat as core node to share the same overload partially to make t ...
... In routing for group communication usually sender transmits a stream of data to a set of receivers. Storing of destination address was making more and more congested and overloaded in the source node. An alternative node has chosen to treat as core node to share the same overload partially to make t ...
Wormhole attacks
... {s1, s3, s4, s5, s7} route via s2 to reach nodes {s9, s10, s11, s12}. Attacker Node s2 can redirect and observe a large amount of traffic. Attacker Node s2 can trigger a denial-of-service (DoS) attack. ...
... {s1, s3, s4, s5, s7} route via s2 to reach nodes {s9, s10, s11, s12}. Attacker Node s2 can redirect and observe a large amount of traffic. Attacker Node s2 can trigger a denial-of-service (DoS) attack. ...
Mobile Commerce - 中央大學管理學院
... Relies on base stations to find the location of a mobile device sending a signal or sensed by the network Terminal-based positioning Calculating the location of a mobile device from signals sent by the device to base stations Global positioning system (GPS) A worldwide satellite-based tracking syste ...
... Relies on base stations to find the location of a mobile device sending a signal or sensed by the network Terminal-based positioning Calculating the location of a mobile device from signals sent by the device to base stations Global positioning system (GPS) A worldwide satellite-based tracking syste ...
Network Design
... Away from congested links Towards underutilized resources Change link weights dynamically ...
... Away from congested links Towards underutilized resources Change link weights dynamically ...
Peer-to-Peer Networks and
... Tim Caserza, -4literally floods the network with requests. Nodes do not know that other nodes have been searched for a file, so nodes may be searched a great deal of times during the same search. This obviously makes Gnutella very inefficient and not scalable (Ritter). The shortcomings of Napster a ...
... Tim Caserza, -4literally floods the network with requests. Nodes do not know that other nodes have been searched for a file, so nodes may be searched a great deal of times during the same search. This obviously makes Gnutella very inefficient and not scalable (Ritter). The shortcomings of Napster a ...
Universal Communication Hub UCH
... The solution centered around one addition UNIHUB (PROXY) that behaves like a traffic director for the close network. Each UNIHUB registers with this UNIHUB (PROXY) and report its own VIRTUAL number. When transmission is required to communication with a particular virtual number, UNIHUB (PROXY) will ...
... The solution centered around one addition UNIHUB (PROXY) that behaves like a traffic director for the close network. Each UNIHUB registers with this UNIHUB (PROXY) and report its own VIRTUAL number. When transmission is required to communication with a particular virtual number, UNIHUB (PROXY) will ...
TCP/IP: sniffing, ARP attacks, IP fragmentation
... payload (TCP ports, UDP ports, SYN and ACK flags in the TCP header) • An attacker may use fragmentation to avoid filtering • Some firewalls may make a decision on the first fragment and let the other fragments through (based on the datagram ID) • Payload data can be divided in multiple fragments • S ...
... payload (TCP ports, UDP ports, SYN and ACK flags in the TCP header) • An attacker may use fragmentation to avoid filtering • Some firewalls may make a decision on the first fragment and let the other fragments through (based on the datagram ID) • Payload data can be divided in multiple fragments • S ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... include (i) Pocket Switched Networks (PSN) [7], wherein personal communication devices carried by humans self-organize to form an intermittently connected network, thus enabling a new class of social net- working applications (e.g. PeopleNet [15]) and (ii) Vehicular DTN, which can leverage the large ...
... include (i) Pocket Switched Networks (PSN) [7], wherein personal communication devices carried by humans self-organize to form an intermittently connected network, thus enabling a new class of social net- working applications (e.g. PeopleNet [15]) and (ii) Vehicular DTN, which can leverage the large ...
Ch7-SlidesPPT
... Opportunistic Networks Definition: Opportunistic networks are one of the most interesting evolutions of Mobile Adhoc NETworks (MANETs) The assumption of a complete path between the source and the destination is relaxed Mobile nodes are enabled to communicate with each other even if a route conn ...
... Opportunistic Networks Definition: Opportunistic networks are one of the most interesting evolutions of Mobile Adhoc NETworks (MANETs) The assumption of a complete path between the source and the destination is relaxed Mobile nodes are enabled to communicate with each other even if a route conn ...
Networks
... • Often represented with a timing diagram • Transmission protocol – Provides for an orderly flow of information ...
... • Often represented with a timing diagram • Transmission protocol – Provides for an orderly flow of information ...
Exploring the Arista 7010T
... Two-tier leaf-spine topologies can be built at layer 2 or layer 3. If the designs are layer 2, MLAG provides an L2 network that runs active/active with no blocked links, which requires an MLAG peer-link between the spine switches. It may also be desirable to use MLAG on the leaf switches to connect ...
... Two-tier leaf-spine topologies can be built at layer 2 or layer 3. If the designs are layer 2, MLAG provides an L2 network that runs active/active with no blocked links, which requires an MLAG peer-link between the spine switches. It may also be desirable to use MLAG on the leaf switches to connect ...
Voice over IP (VoIP) over Satellite
... voice traffic is UDP/IP and would not be retransmitted (like in the case of TCP/IP) all packets would be completely lost if the packet becomes lost or corrupted. It is extremely important to have very low Bit Error Rates (BER) to ensure low or no corruption or loss. QoS and Traffic Prioritization: P ...
... voice traffic is UDP/IP and would not be retransmitted (like in the case of TCP/IP) all packets would be completely lost if the packet becomes lost or corrupted. It is extremely important to have very low Bit Error Rates (BER) to ensure low or no corruption or loss. QoS and Traffic Prioritization: P ...
Juniper Networks M-series : Product Overview
... Copyright 2014 Juniper Networks, Inc. All rights reserved. Juniper Networks, the Juniper Networks logo, Junos and QFabric are registered trademarks of Juniper Networks, Inc. in the United States and other countries. All other trademarks, service marks, registered marks, or registered service marks a ...
... Copyright 2014 Juniper Networks, Inc. All rights reserved. Juniper Networks, the Juniper Networks logo, Junos and QFabric are registered trademarks of Juniper Networks, Inc. in the United States and other countries. All other trademarks, service marks, registered marks, or registered service marks a ...
Chapter 1: Foundation - UW Courses Web Server
... Collects a stream of bits into a larger aggregate called a frame Network adaptor along with device driver in OS implement the protocol in this layer Frames are actually delivered to hosts ...
... Collects a stream of bits into a larger aggregate called a frame Network adaptor along with device driver in OS implement the protocol in this layer Frames are actually delivered to hosts ...
CHAPTER 1: Computer Systems
... Every node on the bus receives the message but it is ignored by all nodes except the one whose node matches the delivery address in the message Transmission from any stations travels entire medium (both directions) Termination required at ends of bus to prevent the signal from ...
... Every node on the bus receives the message but it is ignored by all nodes except the one whose node matches the delivery address in the message Transmission from any stations travels entire medium (both directions) Termination required at ends of bus to prevent the signal from ...
The Transport Layer
... LISTEN: Allocates space to queue incoming calls for the case that several clients try to connect at the same time, it does not block. ACCEPT: Blocks a server until a connect request TPDU from a client arrives. A new socket with the same properties as the original LISTEN one is then created by the tr ...
... LISTEN: Allocates space to queue incoming calls for the case that several clients try to connect at the same time, it does not block. ACCEPT: Blocks a server until a connect request TPDU from a client arrives. A new socket with the same properties as the original LISTEN one is then created by the tr ...