01 Fundamentals of Networking
... • “A network is a set of devices (nodes) connected by media links. A node can be a computer, printer, or any other device capable of sending and/or receiving data generated by other nodes on the network. The links connecting the devices are often called communication channels.” • E.g. two PCs connec ...
... • “A network is a set of devices (nodes) connected by media links. A node can be a computer, printer, or any other device capable of sending and/or receiving data generated by other nodes on the network. The links connecting the devices are often called communication channels.” • E.g. two PCs connec ...
Introduction to mobile WiMAX
... technology to support peak downlink (DL) data rates up to 128 Mbps per sector and peak uplink (UL) data rates up to 56 Mbps per sector in 20 MHz bandwidth (DL 2x2 MIMO, UL 1x2 Virtual MIMO). y Quality of Service (QoS): The fundamental premise of the IEEE 802.16 medium access control (MAC) architectu ...
... technology to support peak downlink (DL) data rates up to 128 Mbps per sector and peak uplink (UL) data rates up to 56 Mbps per sector in 20 MHz bandwidth (DL 2x2 MIMO, UL 1x2 Virtual MIMO). y Quality of Service (QoS): The fundamental premise of the IEEE 802.16 medium access control (MAC) architectu ...
Effectively Managing WAN, Internet Link and Application Traffic
... Additional Bandwidth and Compression When performance problems occur, a common response to network congestion is buying more bandwidth. But an upgrade is not an effective solution. Too often, network managers spend large portions of their limited budgets on bandwidth upgrades in an attempt to resolv ...
... Additional Bandwidth and Compression When performance problems occur, a common response to network congestion is buying more bandwidth. But an upgrade is not an effective solution. Too often, network managers spend large portions of their limited budgets on bandwidth upgrades in an attempt to resolv ...
WAP - ICMP - Extra Reading File
... C, therefore, Router C can only notify Workstation 1 of the failure • ICMP reports on the status of the delivered packet only to the source device. Rick Graziani [email protected] ...
... C, therefore, Router C can only notify Workstation 1 of the failure • ICMP reports on the status of the delivered packet only to the source device. Rick Graziani [email protected] ...
Admission Control in IP Multicast over Heterogeneous Access
... – IPoE • Every network element performs packet replication • L2 control over packet replication necessary at the DSLAM Access control to multicast flows @ BNG and DSLAM ...
... – IPoE • Every network element performs packet replication • L2 control over packet replication necessary at the DSLAM Access control to multicast flows @ BNG and DSLAM ...
WAP - ICMP - Extra Reading File
... C, therefore, Router C can only notify Workstation 1 of the failure • ICMP reports on the status of the delivered packet only to the source device. Rick Graziani [email protected] ...
... C, therefore, Router C can only notify Workstation 1 of the failure • ICMP reports on the status of the delivered packet only to the source device. Rick Graziani [email protected] ...
Mobile IP: General Security Issues
... What if a node moves from one link to another without changing its IP address? (It will be unable to receive packets at the new link.) What if a node changes its IP address when it moves? (It will have to terminate and restart any ongoing communications each time it moves.) Mobile IP solves these pr ...
... What if a node moves from one link to another without changing its IP address? (It will be unable to receive packets at the new link.) What if a node changes its IP address when it moves? (It will have to terminate and restart any ongoing communications each time it moves.) Mobile IP solves these pr ...
2930F TAA Switch Series Data Sheet
... --IPv6 host enables switches to be managed in an IPv6 network --Dual stack (IPv4 and IPv6) transitions from IPv4 to IPv6, supporting connectivity for both protocols --MLD Snooping forwards IPv6 multicast traffic to the ...
... --IPv6 host enables switches to be managed in an IPv6 network --Dual stack (IPv4 and IPv6) transitions from IPv4 to IPv6, supporting connectivity for both protocols --MLD Snooping forwards IPv6 multicast traffic to the ...
Panasonic Ethernet
... ■ TCP/IP establishes logical point-to-point communication between two devices and provides the basics for exchanging information among all areas of production. ■ You can connect 8 ethernet connections with each other at a transmission speed of up to 100Mbits/sec. ■ Configuring the ET-LAN modul ...
... ■ TCP/IP establishes logical point-to-point communication between two devices and provides the basics for exchanging information among all areas of production. ■ You can connect 8 ethernet connections with each other at a transmission speed of up to 100Mbits/sec. ■ Configuring the ET-LAN modul ...
Chapter 14
... –But only 3% of the allocated space was actually populated with hosts. –The best usage was for Class C where it was estimated that 7% of the space was utilized. ...
... –But only 3% of the allocated space was actually populated with hosts. –The best usage was for Class C where it was estimated that 7% of the space was utilized. ...
Open Source Routing, Firewalls and Traffic Shaping
... per flow – Traffic gets sent/serviced in a round robin fashion, giving each flow a chance to sent its data. – Leads to fair behaviour – prevents one flow from hogging all the bandwidth – only really useful when the link is full ...
... per flow – Traffic gets sent/serviced in a round robin fashion, giving each flow a chance to sent its data. – Leads to fair behaviour – prevents one flow from hogging all the bandwidth – only really useful when the link is full ...
Distance vector routing protocols
... EIGRP does not send periodic updates. EIGRP sends bounded updates about a route when a path changes or the metric for that route changes. Only network change(s) sent. Sent only to those routers that need it. EIGRP uses updates that are Nonperiodic, because they are not sent out on a regu ...
... EIGRP does not send periodic updates. EIGRP sends bounded updates about a route when a path changes or the metric for that route changes. Only network change(s) sent. Sent only to those routers that need it. EIGRP uses updates that are Nonperiodic, because they are not sent out on a regu ...
投影片 1 - NTUT
... based approach,” in Proc. Internet Society INET, Jul. 1998. 6. Sonia Fahmy and Minseok Kwon, “Characterizing Overlay Multicast Networks and Their Costs,” IEEE Transaction on Networking, Vol. 15, no. 2, April 2007 ...
... based approach,” in Proc. Internet Society INET, Jul. 1998. 6. Sonia Fahmy and Minseok Kwon, “Characterizing Overlay Multicast Networks and Their Costs,” IEEE Transaction on Networking, Vol. 15, no. 2, April 2007 ...
SDN End Hosts and Storage
... Security as an App • SDN naturally has an application layer • Security functions can be apps on top of SDN/ networking OS ...
... Security as an App • SDN naturally has an application layer • Security functions can be apps on top of SDN/ networking OS ...
Migration of Gsm to Gprs
... Inefficient use of resources User pays for the whole connection High QoS: channel maintains real-time connection In packet-switching, resources are allocated to user only for the time it takes to send each packet A channel can serve many users User pays by the packet Ideal for bursty data con ...
... Inefficient use of resources User pays for the whole connection High QoS: channel maintains real-time connection In packet-switching, resources are allocated to user only for the time it takes to send each packet A channel can serve many users User pays by the packet Ideal for bursty data con ...
Review, Performance Metrics, Cont…
... Spatial diversity provides soft handoff: MSC monitors signal of a user from multiple base stations and chooses best version of signal at any time Self-jamming is a problem: because spreading sequences of different users are not exactly orthogonal —When despreading, other users can Contribute signi ...
... Spatial diversity provides soft handoff: MSC monitors signal of a user from multiple base stations and chooses best version of signal at any time Self-jamming is a problem: because spreading sequences of different users are not exactly orthogonal —When despreading, other users can Contribute signi ...
Information Hiding in Standard MIDI Files Based on Velocity
... to control electronic musical instruments. It allows the message is transmitted via Channel 1. player to transmit the details of the performance and associated control information between electronic musical 2.2 SMF instruments, computers and other devices. The SMF file format is one of the popular d ...
... to control electronic musical instruments. It allows the message is transmitted via Channel 1. player to transmit the details of the performance and associated control information between electronic musical 2.2 SMF instruments, computers and other devices. The SMF file format is one of the popular d ...
Chapter9 (ICMP)
... was cut off. This message is generated when the network operators have imposed a minimum level of precedence for the operation of the network ...
... was cut off. This message is generated when the network operators have imposed a minimum level of precedence for the operation of the network ...
manet-intro
... protocol which provides one or more modes of operation, each mode specialized for efficient operation in a given mobile networking “context”, where a context is a predefined set of network characteristics. ...
... protocol which provides one or more modes of operation, each mode specialized for efficient operation in a given mobile networking “context”, where a context is a predefined set of network characteristics. ...
acba0bdb38899c8
... max. hop count value to avoid counting to infinity) and send its routing table to B after the periodic interval. - Before B sends its periodic update to C , router C sent its routing table to B containing a path to 10.0.0.0 with a better metric so B think that 10.0.0.0 can be reached by C while C de ...
... max. hop count value to avoid counting to infinity) and send its routing table to B after the periodic interval. - Before B sends its periodic update to C , router C sent its routing table to B containing a path to 10.0.0.0 with a better metric so B think that 10.0.0.0 can be reached by C while C de ...
PowerPoint
... behaviour applied to a DS-compliant node to packets with same label (DS codepoint) • PHB Group: set of PHBs which can only meaningfully specified and implemented simultaneously (e.g. with common constraints on queue servicing and queue management). E.g. 4 PHB each associated to a different drop prio ...
... behaviour applied to a DS-compliant node to packets with same label (DS codepoint) • PHB Group: set of PHBs which can only meaningfully specified and implemented simultaneously (e.g. with common constraints on queue servicing and queue management). E.g. 4 PHB each associated to a different drop prio ...
Redes Inalámbricas
... Effects of congestion and mobility: jitter Congestion jitter: relatively small frequent variations Mobility jitter: very large peaks ...
... Effects of congestion and mobility: jitter Congestion jitter: relatively small frequent variations Mobility jitter: very large peaks ...
Multimedia Service
... e.g., nominal stream PCM at 64 kbps and redundant stream GSM at 13 kbps. whenever there is non-consecutive loss, receiver can conceal the loss. can also append (n-1)st and (n-2)nd low-bit rate chunk ...
... e.g., nominal stream PCM at 64 kbps and redundant stream GSM at 13 kbps. whenever there is non-consecutive loss, receiver can conceal the loss. can also append (n-1)st and (n-2)nd low-bit rate chunk ...