Europa: Efficient User Mode Packet Forwarding in Network Virtualization
... Second, our scheme also avoids the overhead of invoking system calls by letting a user mode virtual router and OS kernel independently poll the state of a packet, which is an important factor differentiating our work from existing work in operating system area. As we will see later in the paper, av ...
... Second, our scheme also avoids the overhead of invoking system calls by letting a user mode virtual router and OS kernel independently poll the state of a packet, which is an important factor differentiating our work from existing work in operating system area. As we will see later in the paper, av ...
Streaming - Regis University: Academic Web Server for Faculty
... • use UDP to avoid TCP congestion control (delays) for time-sensitive traffic • client-side adaptive playout delay: to compensate for delay • server side matches stream bandwidth to available client-to-server path bandwidth ▫ chose among pre-encoded stream rates ▫ dynamic server encoding rate ...
... • use UDP to avoid TCP congestion control (delays) for time-sensitive traffic • client-side adaptive playout delay: to compensate for delay • server side matches stream bandwidth to available client-to-server path bandwidth ▫ chose among pre-encoded stream rates ▫ dynamic server encoding rate ...
Chapter 10 Protocols for QoS Support
... • Label switched routers capable of switching and routing packets based on label appended to packet • Labels define a flow of packets between end points or ...
... • Label switched routers capable of switching and routing packets based on label appended to packet • Labels define a flow of packets between end points or ...
ppt - UCI
... [8] Chunkyspread: Heterogeneous unstructured tree-based peer-to-peer multicast. In Proceedings of ICNP 2006. [9] Coolstreaming/DONet: A data-driven overlay network for peer-to-peer live media streaming. In Proceedings of INFOCOM 2005. [10] Chainsaw: Eliminating trees from overlay multicast. In Proce ...
... [8] Chunkyspread: Heterogeneous unstructured tree-based peer-to-peer multicast. In Proceedings of ICNP 2006. [9] Coolstreaming/DONet: A data-driven overlay network for peer-to-peer live media streaming. In Proceedings of INFOCOM 2005. [10] Chainsaw: Eliminating trees from overlay multicast. In Proce ...
Best practices ® Performance monitoring in a data warehouse
... Most of the information about KPIs that are described in the paper has sample commands that extract actual values. However, these examples are not intended to provide comprehensive tooling. You can use this best practices paper as a guideline for selecting the metrics to focus on when using monitori ...
... Most of the information about KPIs that are described in the paper has sample commands that extract actual values. However, these examples are not intended to provide comprehensive tooling. You can use this best practices paper as a guideline for selecting the metrics to focus on when using monitori ...
Applications and Digital Transmission Fundamentals
... tcpdump and Network Protocol Analyzers • tcpdump program captures IP packets on a network interface (usually Ethernet NIC) • Filtering used to select packets of interest • Packets & higher-layer messages can be displayed and analyzed • tcpdump basis for many network protocol analyzers for troublesh ...
... tcpdump and Network Protocol Analyzers • tcpdump program captures IP packets on a network interface (usually Ethernet NIC) • Filtering used to select packets of interest • Packets & higher-layer messages can be displayed and analyzed • tcpdump basis for many network protocol analyzers for troublesh ...
Data Mining Techniques: Classification and Prediction
... At each tree depth, all instances considered Assume tree depth is logarithmic (fairly balanced splits) Need to test each attribute at each node What about binary splits? – Sort data once on each attribute, use to avoid re-sorting subsets – Incrementally maintain counts for class distribution as diff ...
... At each tree depth, all instances considered Assume tree depth is logarithmic (fairly balanced splits) Need to test each attribute at each node What about binary splits? – Sort data once on each attribute, use to avoid re-sorting subsets – Incrementally maintain counts for class distribution as diff ...
Part I: Introduction - UMD Department of Computer Science
... SD, ED mark start, end of packet AC: access control byte: token bit: value 0 means token can be seized, value 1 means data follows FC priority bits: priority of packet reservation bits: station can write these bits to prevent stations with lower priority packet from seizing token after tok ...
... SD, ED mark start, end of packet AC: access control byte: token bit: value 0 means token can be seized, value 1 means data follows FC priority bits: priority of packet reservation bits: station can write these bits to prevent stations with lower priority packet from seizing token after tok ...
The Packet Filter: A Basic Network Security Tool
... count begins with zero) identifies the protocol of the packet. Most filter devices have the capability to differentiate between TCP, UPD, and ICMP. • source address (IP header, network layer) – The source address is the 32-bit IP address of the host which created the packet. • destination address (I ...
... count begins with zero) identifies the protocol of the packet. Most filter devices have the capability to differentiate between TCP, UPD, and ICMP. • source address (IP header, network layer) – The source address is the 32-bit IP address of the host which created the packet. • destination address (I ...
njit-etd2005-146 - New Jersey Institute of Technology
... The scalability problem of routing algorithms in Mobile Ad-hoc networks (MANET) has conventionally been addressed by introducing hierarchical architectures, clusters, and neighborhood zones. In all of these approaches, some nodes are assigned different routing related roles than others. Examples inc ...
... The scalability problem of routing algorithms in Mobile Ad-hoc networks (MANET) has conventionally been addressed by introducing hierarchical architectures, clusters, and neighborhood zones. In all of these approaches, some nodes are assigned different routing related roles than others. Examples inc ...
ISDN
... ISDN Data-link Layer (cont’d) Layer 2 of the ISDN signaling channel is LAPD. LAPD is similar to HDLC. LAPD is used across the D channel to ensure that control and signaling information is received and flows properly. The LAPD flag and control fields are identical to those of HDLC. The LAPD ad ...
... ISDN Data-link Layer (cont’d) Layer 2 of the ISDN signaling channel is LAPD. LAPD is similar to HDLC. LAPD is used across the D channel to ensure that control and signaling information is received and flows properly. The LAPD flag and control fields are identical to those of HDLC. The LAPD ad ...
Barometric Pressure, Temperature + Humidity iServer by OMEGA
... The iBTHX is for barometric pressure, temperature, relative humidity and dew point. The iBTX is for barometric pressure and temperature. The difference between the iBTHX and the iBTX is only the probe/sensor. The iServer serves Active Web Pages to display real time readings, display charts of barome ...
... The iBTHX is for barometric pressure, temperature, relative humidity and dew point. The iBTX is for barometric pressure and temperature. The difference between the iBTHX and the iBTX is only the probe/sensor. The iServer serves Active Web Pages to display real time readings, display charts of barome ...
Computer Networking : Principles, Protocols and Practice Release
... • the Physical layer service may deliver more bits to the receiver than the bits sent by the sender • the Physical layer service may deliver fewer bits to the receiver than the bits sent by the sender Many other types of encodings have been defined to transmit information over an electrical cable. A ...
... • the Physical layer service may deliver more bits to the receiver than the bits sent by the sender • the Physical layer service may deliver fewer bits to the receiver than the bits sent by the sender Many other types of encodings have been defined to transmit information over an electrical cable. A ...
Industrial use of Erlang
... “Normal” synchronization primitives - semaphores or monitors does not look the same in Erlang instead everything is done with processes and message passing. Mutual exclusion: use a single process to handle resource clients call process to get access. Critical sections: allow only one proce ...
... “Normal” synchronization primitives - semaphores or monitors does not look the same in Erlang instead everything is done with processes and message passing. Mutual exclusion: use a single process to handle resource clients call process to get access. Critical sections: allow only one proce ...
chapter5
... If collision occurs wait random time and then restart process Non-persistent CSMA: (for nonslotted channels) If channel sensed idle: transmit entire pkt If channel sensed busy, wait random time before trying again. If collision occurs wait random time and then restart process P-Persisten ...
... If collision occurs wait random time and then restart process Non-persistent CSMA: (for nonslotted channels) If channel sensed idle: transmit entire pkt If channel sensed busy, wait random time before trying again. If collision occurs wait random time and then restart process P-Persisten ...
UNH-IOL_BFC_Knowledgebase_VLAN
... the creation of VLANs with a specific VID and a specific port, based on updates from GVRP-enabled devices. Advertises manually configured VLANs to other GVRP-enabled device. As a result of this the GVRP-enable devices in the core of the network need no manual configuration in order to interoperate ...
... the creation of VLANs with a specific VID and a specific port, based on updates from GVRP-enabled devices. Advertises manually configured VLANs to other GVRP-enabled device. As a result of this the GVRP-enable devices in the core of the network need no manual configuration in order to interoperate ...
Survivability and Resilience Mechanisms in modern Optical Fibre Systems
... secondary path is predetermined, which can be used by low-priority traffic until it is needed to protect the primary path. Additionally, different levels of protection granularity can also be provisioned: at the fibre level, the wavelength level, etc. Unlike protection approaches, restoration scheme ...
... secondary path is predetermined, which can be used by low-priority traffic until it is needed to protect the primary path. Additionally, different levels of protection granularity can also be provisioned: at the fibre level, the wavelength level, etc. Unlike protection approaches, restoration scheme ...
Exploiting Route Redundancy via Structured Peer to Peer Overlays
... Resilient Overlay Networks (SOSP 01) Internet Indirection Infrastructure (SIGCOMM 02) Secure Overlay Services (SIGCOMM 02) ...
... Resilient Overlay Networks (SOSP 01) Internet Indirection Infrastructure (SIGCOMM 02) Secure Overlay Services (SIGCOMM 02) ...
product guide -total - Embedded Industrial Solutions
... that allows a non-DID enabled PBX or key telephone system to support analog DID services through standard analog station or CO port connections. It enables the phone system to directly route incoming calls to end-user extensions. The CallFinder has two DID ports and two programmable FXS/FXO ports an ...
... that allows a non-DID enabled PBX or key telephone system to support analog DID services through standard analog station or CO port connections. It enables the phone system to directly route incoming calls to end-user extensions. The CallFinder has two DID ports and two programmable FXS/FXO ports an ...
