William Stallings Data and Computer Communications
... OSPF (open shortest path first): Routing based on number of hops, link speed, congestion ...
... OSPF (open shortest path first): Routing based on number of hops, link speed, congestion ...
IOSR Journal of Electronics & Communication Engineering (IOSR-JECE) ISSN : www.iosrjournals.org
... In a proactive routing protocol, every node proactively searches for routes to other nodes, andperiodically exchanges routing messages, in order to ensure that the information in the routing table is up-to-date andcorrect, such as DSDV (Destination Sequence Distance Vector) and OLSR (Optimized Link ...
... In a proactive routing protocol, every node proactively searches for routes to other nodes, andperiodically exchanges routing messages, in order to ensure that the information in the routing table is up-to-date andcorrect, such as DSDV (Destination Sequence Distance Vector) and OLSR (Optimized Link ...
ppt
... transport protocol for “best effort” service, UDP segments may be: lost delivered out-of-order connectionless: no sender-receiver handshaking each UDP segment handled independently ...
... transport protocol for “best effort” service, UDP segments may be: lost delivered out-of-order connectionless: no sender-receiver handshaking each UDP segment handled independently ...
10 GigaBit In-Line Regeneration Taps
... health, these Taps connect up to eight different network management and security devices at any single 10 GigaBit network location. Keep your intrusion detection and prevention systems, protocol analyzers, RMON probes, and other security devices productive with a single Regeneration Tap. Maximize re ...
... health, these Taps connect up to eight different network management and security devices at any single 10 GigaBit network location. Keep your intrusion detection and prevention systems, protocol analyzers, RMON probes, and other security devices productive with a single Regeneration Tap. Maximize re ...
Darwin: Customizable Resource Management for Value
... Header length (in 32-bit words) TOS Type of service (unused) Length Datagram length (max 64K B) ID Unique datagram identifier Flags xxM (more fragmented packets) Offset Fragment offset TTL Time to Live Protocol Higher level protocol (e.g., TCP) ...
... Header length (in 32-bit words) TOS Type of service (unused) Length Datagram length (max 64K B) ID Unique datagram identifier Flags xxM (more fragmented packets) Offset Fragment offset TTL Time to Live Protocol Higher level protocol (e.g., TCP) ...
IP MULTICAST ROUTING
... Pruning Multicast Trees • If a router has no dependent downstream interfaces, a Prune sent up to delete that interface from list of dependent interfaces – Leaf networks without any host members – Non-leaf networks, all downstream interfaces send a Prune ...
... Pruning Multicast Trees • If a router has no dependent downstream interfaces, a Prune sent up to delete that interface from list of dependent interfaces – Leaf networks without any host members – Non-leaf networks, all downstream interfaces send a Prune ...
ppt - Carnegie Mellon University
... • Problems with link state: • Metric used by routers not the same – loops • LS database too large – entire Internet • May expose policies to other AS’s ...
... • Problems with link state: • Metric used by routers not the same – loops • LS database too large – entire Internet • May expose policies to other AS’s ...
data sheet
... demarcation point for real-time flow control and traffic management for enterprise applications between IP networks. It is the ideal solution for today’s high capacity broadband access networks. The EdgeMarc 4700 series combines advanced real-time, high availability, management, networking, security ...
... demarcation point for real-time flow control and traffic management for enterprise applications between IP networks. It is the ideal solution for today’s high capacity broadband access networks. The EdgeMarc 4700 series combines advanced real-time, high availability, management, networking, security ...
CAP - MUM - Mikrotik
... centralisation of wireless network management (SSID, Access List, Security,……) and/or data processing (Firewall, QoS, Routing,…) ...
... centralisation of wireless network management (SSID, Access List, Security,……) and/or data processing (Firewall, QoS, Routing,…) ...
Chapter 6 slides, Computer Networking, 3rd edition
... decreased signal strength: radio signal attenuates as it propagates through matter (path loss) interference from other sources: standardized wireless network frequencies (e.g., 2.4 GHz) shared by other devices (e.g., phone); devices (motors) interfere as well multipath propagation: radio signal refl ...
... decreased signal strength: radio signal attenuates as it propagates through matter (path loss) interference from other sources: standardized wireless network frequencies (e.g., 2.4 GHz) shared by other devices (e.g., phone); devices (motors) interfere as well multipath propagation: radio signal refl ...
IOSR Journal of Computer Engineering (IOSR-JCE)
... Additionally, AODV creates trees which connect multicast group members. The trees are composed of the group members and the nodes needed to connect the members. The sequence numbers are used by AODV to ensure the freshness of routes. It is loop-free, self-starting, and scales to large numbers of mob ...
... Additionally, AODV creates trees which connect multicast group members. The trees are composed of the group members and the nodes needed to connect the members. The sequence numbers are used by AODV to ensure the freshness of routes. It is loop-free, self-starting, and scales to large numbers of mob ...
MAC intelligence for adaptive multimedia in 802.11
... Let us understand why permissible throughput is critical in wireless links, especially MANET links where hidden and exposed terminals exist. A. In a wired point to point link this quantity would always be the bandwidth of the point to point connection, since this is the maximum throughput achievabl ...
... Let us understand why permissible throughput is critical in wireless links, especially MANET links where hidden and exposed terminals exist. A. In a wired point to point link this quantity would always be the bandwidth of the point to point connection, since this is the maximum throughput achievabl ...
Internetworking Between ZigBee/802.15.4 and IPv6/802.3 Network
... All the ZigBee nodes are assigned with an IPv6 address. According to the 802.15.4 specification, the maximum PHY service data unit is 127 bytes. In a data frame, after reducing the 23 bytes MAC header, 2 bytes frame check sequence (FCS), and 8 bytes NWK header, there are only 94 bytes left for t ...
... All the ZigBee nodes are assigned with an IPv6 address. According to the 802.15.4 specification, the maximum PHY service data unit is 127 bytes. In a data frame, after reducing the 23 bytes MAC header, 2 bytes frame check sequence (FCS), and 8 bytes NWK header, there are only 94 bytes left for t ...
ppt
... Allocate specific path and network resources to specific types of traffic ensuring QoS ...
... Allocate specific path and network resources to specific types of traffic ensuring QoS ...
Dynamic.Routing.Protocols Power
... network, how does it find other routers and how does it announce its own presence? The simplest method - to send the updates to the broadcast address 255.255.255.255. Hosts and other devices uninterested in the routing updates will simply drop the ...
... network, how does it find other routers and how does it announce its own presence? The simplest method - to send the updates to the broadcast address 255.255.255.255. Hosts and other devices uninterested in the routing updates will simply drop the ...
Click Router
... • Configurations are written in a declarative language that supports user-defined abstractions. • This language is both readable by humans and easily manipulated by tools. ...
... • Configurations are written in a declarative language that supports user-defined abstractions. • This language is both readable by humans and easily manipulated by tools. ...
Network Programming
... that is present in the packet. Many types of ICMP packets are used to send the control request messages to the remote hosts. Each message type has its own format and data requirements. Code: An assorted ICMP message type requires specific control and data options. These options are defined in the si ...
... that is present in the packet. Many types of ICMP packets are used to send the control request messages to the remote hosts. Each message type has its own format and data requirements. Code: An assorted ICMP message type requires specific control and data options. These options are defined in the si ...
Diapositive 1
... • Intuition when d=N/C=o(N) and R=o(N): – per TS: RN N – once R copies have been spread out: ...
... • Intuition when d=N/C=o(N) and R=o(N): – per TS: RN N – once R copies have been spread out: ...
II. Background on ad-hoc networking protocols used
... oversees the process of standardizing IP routing protocols for wireless ad hoc networks within both static and dynamic topologies. Wireless link interfaces have some unique routing interface characteristics and that node topologies within a wireless routing region may experience increased dynamics, ...
... oversees the process of standardizing IP routing protocols for wireless ad hoc networks within both static and dynamic topologies. Wireless link interfaces have some unique routing interface characteristics and that node topologies within a wireless routing region may experience increased dynamics, ...
revision class 1, 21/4/2016
... – Since it tries to be fair, the MAC layer divides the bandwidth equally between contending nodes. – COPE allows the bottleneck nodes to XOR pairs of packets and drain them quicker, increasing the throughput of the network. – For topologies with a single bottleneck, the Coding + MAC Gain is the rati ...
... – Since it tries to be fair, the MAC layer divides the bandwidth equally between contending nodes. – COPE allows the bottleneck nodes to XOR pairs of packets and drain them quicker, increasing the throughput of the network. – For topologies with a single bottleneck, the Coding + MAC Gain is the rati ...
Handout
... r Simpler, cheaper than token LANs and ATM r Kept up with speed race: 10, 100, 1000 Mbps ...
... r Simpler, cheaper than token LANs and ATM r Kept up with speed race: 10, 100, 1000 Mbps ...
Optimizing Matrix Multiply
... • Routing algorithm = travel plan. • Properties: • Latency: how long to get between nodes in the network. • Bandwidth: how much data can be moved per unit time. • Bandwidth is limited by the number of wires and the rate at which each wire can accept data. ...
... • Routing algorithm = travel plan. • Properties: • Latency: how long to get between nodes in the network. • Bandwidth: how much data can be moved per unit time. • Bandwidth is limited by the number of wires and the rate at which each wire can accept data. ...
Network Protocols
... Link layer addresses are tricky: A MN may not use ARP if it is using a FA COA. It needs to use the address of the FA as the destination address. If it is using a collocated COA, then it uses ARP to locate the default router using its COA as source. Note that if the ‘R’ bit is set is uses the FA addr ...
... Link layer addresses are tricky: A MN may not use ARP if it is using a FA COA. It needs to use the address of the FA as the destination address. If it is using a collocated COA, then it uses ARP to locate the default router using its COA as source. Note that if the ‘R’ bit is set is uses the FA addr ...