Intrusion Detection in Software Defined Networks with Self
... are a few proposals to use SDN’s capabilities for intrusion detection mechanism. The four sample solutions are shown in Table 1: • Method 1 – revisiting traffic anomaly detection using software defined networking [6]; • Method 2 – a fuzzy logic-based information security management for SDNs [7]; • M ...
... are a few proposals to use SDN’s capabilities for intrusion detection mechanism. The four sample solutions are shown in Table 1: • Method 1 – revisiting traffic anomaly detection using software defined networking [6]; • Method 2 – a fuzzy logic-based information security management for SDNs [7]; • M ...
network layer - WordPress.com
... network layer. For a reliable network layer with virtual circuit capability, a minimal transport layer is required. If the network layer is unreliable and/or only supports datagrams, the transport protocol should include extensive error detection and recovery. The transport layer provides: Message ...
... network layer. For a reliable network layer with virtual circuit capability, a minimal transport layer is required. If the network layer is unreliable and/or only supports datagrams, the transport protocol should include extensive error detection and recovery. The transport layer provides: Message ...
Speed Up Incident Response with Actionable Forensic Analytics
... botnets or CnCs to or from bad sites without deploying any agents on endpoints. • Host Forensics: Monitoring hosts and endpoints for file integrity, system configurations, processes, DNS queries, and network connections. This typically requires credential-based scanning of endpoints, or agents runn ...
... botnets or CnCs to or from bad sites without deploying any agents on endpoints. • Host Forensics: Monitoring hosts and endpoints for file integrity, system configurations, processes, DNS queries, and network connections. This typically requires credential-based scanning of endpoints, or agents runn ...
Timing is everything: Accurate, Minimum-cost, Available Bandwidth Estimation in High-speed Wired Network
... symbols until the next frame is available. The standard requires at least twelve /I/s after every packet. Depending on Ethernet frame and PHY alignment, an /I/ character can be 7 or 8 bits, thus it takes about 700∼800 pico-seconds to transmit one /I/ character [3]. Importantly, controlling or simply ...
... symbols until the next frame is available. The standard requires at least twelve /I/s after every packet. Depending on Ethernet frame and PHY alignment, an /I/ character can be 7 or 8 bits, thus it takes about 700∼800 pico-seconds to transmit one /I/ character [3]. Importantly, controlling or simply ...
Updated November 2011 - OneSource Wireless Internet
... DSL Equipment. To use our High Speed Internet service delivered via DSL, customer must have a DSL modem. The customer connects a computer or other Internet enabled device to the modem through a Network Interface Card (NIC) for a wired connection. Some DSL modems can also transmit a Wi-Fi signal for ...
... DSL Equipment. To use our High Speed Internet service delivered via DSL, customer must have a DSL modem. The customer connects a computer or other Internet enabled device to the modem through a Network Interface Card (NIC) for a wired connection. Some DSL modems can also transmit a Wi-Fi signal for ...
HY3313681373
... The reference models divide the functions of a network into layers. Layers are arranged to be as independent as possible, with a minimum set of information passing between layers. Each layer (n-1) provides a certain set of services to the layer above it (n), shielding the actual implementation detai ...
... The reference models divide the functions of a network into layers. Layers are arranged to be as independent as possible, with a minimum set of information passing between layers. Each layer (n-1) provides a certain set of services to the layer above it (n), shielding the actual implementation detai ...
Timing is Everything: Accurate, Minimum Overhead, Available Bandwidth Estimation in High-speed Wired Networks
... is important [17, 43, 45]. It is necessary for designing high performant networked systems, improving network protocols, building distributed systems, and improving application performance. The problems associated with available bandwidth estimation stem from a simple concept: Send a train of probe ...
... is important [17, 43, 45]. It is necessary for designing high performant networked systems, improving network protocols, building distributed systems, and improving application performance. The problems associated with available bandwidth estimation stem from a simple concept: Send a train of probe ...
Security for Internet QoS
... • Cookie authentication techniques – Digital signature: uses public key and one-way hashing to compute the packet digest; secure but inefficient – Sealing: digital signature minus encryption, making it a seal, plus some value appended as “key”, i.e., routers should have the key to check the authenti ...
... • Cookie authentication techniques – Digital signature: uses public key and one-way hashing to compute the packet digest; secure but inefficient – Sealing: digital signature minus encryption, making it a seal, plus some value appended as “key”, i.e., routers should have the key to check the authenti ...
IP Tutorial - Electrical Engineering Department
... Once the subnet and interface is selected, data transmission uses the underlying layer 2 medium IP is encapsulated in a multiprotocol sublayer (may be different by medium) The multiprotocol PDU is encapsulated using the appropriate layer 2 mechanism for that medium ...
... Once the subnet and interface is selected, data transmission uses the underlying layer 2 medium IP is encapsulated in a multiprotocol sublayer (may be different by medium) The multiprotocol PDU is encapsulated using the appropriate layer 2 mechanism for that medium ...
ppt - BNRG
... • One big risk factor: the number of network services that are accessible to outsiders • This suggests a possible defense – Reduce risk by blocking, in the network, outsiders from being able to access many network services running on company machines ...
... • One big risk factor: the number of network services that are accessible to outsiders • This suggests a possible defense – Reduce risk by blocking, in the network, outsiders from being able to access many network services running on company machines ...
Interconnection networks 1
... – topology (e.g., bus, ring, directed acyclic graph, star) – routing algorithms – switching (aka multiplexing) – wiring (e.g., choice of media, copper, coax, fiber) • What really matters: – latency – bandwidth – cost – reliability ...
... – topology (e.g., bus, ring, directed acyclic graph, star) – routing algorithms – switching (aka multiplexing) – wiring (e.g., choice of media, copper, coax, fiber) • What really matters: – latency – bandwidth – cost – reliability ...
Chapter 7
... • Connect two or more networks that use the same or different data link and network protocols • Some work at the application layer (using data link layer address) to route messages to other networks • Process only those messages addressed Copyright 2011 John Wiley & Sons, Inc ...
... • Connect two or more networks that use the same or different data link and network protocols • Some work at the application layer (using data link layer address) to route messages to other networks • Process only those messages addressed Copyright 2011 John Wiley & Sons, Inc ...
ppt
... inefficient use of address space, address space exhaustion e.g., class B net allocated enough addresses for 65K hosts, even if only 2K hosts in that network ...
... inefficient use of address space, address space exhaustion e.g., class B net allocated enough addresses for 65K hosts, even if only 2K hosts in that network ...
Multimedia Networking
... session initialization • how does callee advertise its IP address, port number, encoding algorithms? ...
... session initialization • how does callee advertise its IP address, port number, encoding algorithms? ...
Packet-Hiding Methods for Preventing Selective Jamming Attacks
... only the first few bytes of m. J then corrupts m beyond recovery by interfering with its reception at B. We address the problem of preventing the jamming node from classifying m in real time, thus mitigating J’s ability to perform selective jamming. Our goal is to transform a selective jammer to a r ...
... only the first few bytes of m. J then corrupts m beyond recovery by interfering with its reception at B. We address the problem of preventing the jamming node from classifying m in real time, thus mitigating J’s ability to perform selective jamming. Our goal is to transform a selective jammer to a r ...
Smart Defense Technical White Paper
... of Service (DoS) attack is to disrupt the normal operation of a system or service. This disruption is typically accomplished either by overwhelming the target with spurious data so that it is no longer able to respond to legitimate service requests, or to exploit vulnerabilities in applications or o ...
... of Service (DoS) attack is to disrupt the normal operation of a system or service. This disruption is typically accomplished either by overwhelming the target with spurious data so that it is no longer able to respond to legitimate service requests, or to exploit vulnerabilities in applications or o ...
Bandwidth on Demand for Inter
... Cloud service providers use replication across geographically distributed data centers to improve end-to-end performance as well as to offer high reliability under failures. Content replication often involves the transfer of huge data sets over the wide area network and demands high backbone transpo ...
... Cloud service providers use replication across geographically distributed data centers to improve end-to-end performance as well as to offer high reliability under failures. Content replication often involves the transfer of huge data sets over the wide area network and demands high backbone transpo ...
Document
... » Ethernet switches “snoops” IGMP messages » Decides on which ports sends the packet out. » Manual Filtering » VLAN are for restricting Broadcast Domains » Shaping the VLAN to Multicast-trees » Assumed method » Forming P2MP Pipes ~ VLANs » Carrying more MC tree » IGMP snooping can be also used 2nd E ...
... » Ethernet switches “snoops” IGMP messages » Decides on which ports sends the packet out. » Manual Filtering » VLAN are for restricting Broadcast Domains » Shaping the VLAN to Multicast-trees » Assumed method » Forming P2MP Pipes ~ VLANs » Carrying more MC tree » IGMP snooping can be also used 2nd E ...
QoS Requirements of Multimedia Applications
... GPRS is a non-voice service that works in unison with mobile devices to send their data. GRPS is referred to as “always connected”, since it can perform an almost instant transmission. Theoretically, GRPS can send data at a rate of 171.2 Kbps, but in reality, to reach this, an operator must grant th ...
... GPRS is a non-voice service that works in unison with mobile devices to send their data. GRPS is referred to as “always connected”, since it can perform an almost instant transmission. Theoretically, GRPS can send data at a rate of 171.2 Kbps, but in reality, to reach this, an operator must grant th ...
Five Business Takeaways from Gartner`s “Web
... Unlike traditional firewalls, NGFWs are able to recognize what applications are communicating on your network. NGFW vendors call this “application awareness,” which is the source of the confusion. Application awareness is irrelevant for preventing attacks on your web applications—exactly the thing a ...
... Unlike traditional firewalls, NGFWs are able to recognize what applications are communicating on your network. NGFW vendors call this “application awareness,” which is the source of the confusion. Application awareness is irrelevant for preventing attacks on your web applications—exactly the thing a ...
ANALYSIS OF THE IoT IMPACT ON VOLUME OF DDoS ATTACKS
... on the ICS. Given that the current methods of detection of botnets targeting specific protocols and structures for control and management (C&C) of such networks, hypothesis of the paper is the inefficiency of such methods in the case of changes in the structure and management and control techniques. ...
... on the ICS. Given that the current methods of detection of botnets targeting specific protocols and structures for control and management (C&C) of such networks, hypothesis of the paper is the inefficiency of such methods in the case of changes in the structure and management and control techniques. ...
Building a Reliable Ethernet/IP Network: GSFC Prototype
... • LLC – “Logical Link Control” offers a IEEE standardized datalink layer reliability protocol, adding a 3 byte header to the ethernet frame ...
... • LLC – “Logical Link Control” offers a IEEE standardized datalink layer reliability protocol, adding a 3 byte header to the ethernet frame ...
network
... transfer packet from input buffer to appropriate output buffer switching rate: rate at which packets can be transfer from inputs to outputs often measured as multiple of input/output line rate N inputs: switching rate N times line rate desirable ...
... transfer packet from input buffer to appropriate output buffer switching rate: rate at which packets can be transfer from inputs to outputs often measured as multiple of input/output line rate N inputs: switching rate N times line rate desirable ...
Intrusion Defense Firewall
... the host. The enforcement point is typically kernel mode based. Although this approach has a smaller coverage umbrella compared to system execution control, it does cover the network interface, which is the attack vector of greatest concern, especially with today’s increase in blended web threats. I ...
... the host. The enforcement point is typically kernel mode based. Although this approach has a smaller coverage umbrella compared to system execution control, it does cover the network interface, which is the attack vector of greatest concern, especially with today’s increase in blended web threats. I ...