Week_Ten_Network_ppt
... Frame relay puts data in a variable-size unit called a frame and leaves any necessary error correction (retransmission of data) up to the end-points, which speeds up overall data transmission. For most services, the network provides a permanent virtual circuit (PVC), which means that the customer se ...
... Frame relay puts data in a variable-size unit called a frame and leaves any necessary error correction (retransmission of data) up to the end-points, which speeds up overall data transmission. For most services, the network provides a permanent virtual circuit (PVC), which means that the customer se ...
Routers - Personal Web Pages
... The 255s (all 1s) means that the destination address of the packet to be routed must exactly match the Network Address for this route to be used. For another example, Network Address 157.57.8.0 has a netmask of 255.255.248.0. ...
... The 255s (all 1s) means that the destination address of the packet to be routed must exactly match the Network Address for this route to be used. For another example, Network Address 157.57.8.0 has a netmask of 255.255.248.0. ...
Decentralized Location Services
... holds promise for self-maintaining decentralized networks at Internet ...
... holds promise for self-maintaining decentralized networks at Internet ...
No Slide Title
... shorter fault switching time (~50ms) but worse network utilization. • Protection/Restoration in IP layer or application layer may take from several seconds to several minutes but has higher network utilization. • Protection/Restoration in one layer cannot be completely replaced by protection/restora ...
... shorter fault switching time (~50ms) but worse network utilization. • Protection/Restoration in IP layer or application layer may take from several seconds to several minutes but has higher network utilization. • Protection/Restoration in one layer cannot be completely replaced by protection/restora ...
Networking Designs
... connects the nodes in the arms of a star network. A hub can be active—boosts the signal, or it can be passive— simply relay the signal. (p. ...
... connects the nodes in the arms of a star network. A hub can be active—boosts the signal, or it can be passive— simply relay the signal. (p. ...
What is Internet?
... Internet Applications Development Topics on Basic Internet Applications • What is Internet? • Key Milestones in Evolution • How Internet is organized? • Internet Applications • Internet Protocols • Client-server paradigm ...
... Internet Applications Development Topics on Basic Internet Applications • What is Internet? • Key Milestones in Evolution • How Internet is organized? • Internet Applications • Internet Protocols • Client-server paradigm ...
FTTH Explained
... to the feeder cable “feeds”) and drop cable used to physically connect the users to the FTTH network. As a medium, optical fiber’s bandwidth is only limited by the transmitters of the OLT and hence future proofs the access network due to its tremendous bandwidth capacity. The ONT receives the signal ...
... to the feeder cable “feeds”) and drop cable used to physically connect the users to the FTTH network. As a medium, optical fiber’s bandwidth is only limited by the transmitters of the OLT and hence future proofs the access network due to its tremendous bandwidth capacity. The ONT receives the signal ...
A network-based mobility management scheme for future Internet
... Several approaches have been proposed to address the IP mobility problem. The most well-known ones include Fast Handovers for Mobile IPv6 (FMIPv6) [4], Hierarchical Mobile IPv6 (HMIPv6) [5], Host Identity Protocol (HIP) [6], Cellular IP (CIP) [7], Handoff-Aware Wireless Access Internet Infrastructur ...
... Several approaches have been proposed to address the IP mobility problem. The most well-known ones include Fast Handovers for Mobile IPv6 (FMIPv6) [4], Hierarchical Mobile IPv6 (HMIPv6) [5], Host Identity Protocol (HIP) [6], Cellular IP (CIP) [7], Handoff-Aware Wireless Access Internet Infrastructur ...
Optical Networks: The Platform for the Next Generation
... Based on Optimal Routing and WDM Self-Healing Rings”, in Proceedings of IEEE INFOCOM ‘99, March ...
... Based on Optimal Routing and WDM Self-Healing Rings”, in Proceedings of IEEE INFOCOM ‘99, March ...
Network layer (IP)
... device interfaces with same subnet part of IP address can physically reach each other without intervening router ...
... device interfaces with same subnet part of IP address can physically reach each other without intervening router ...
Benefits of an Implementation of H-P2PSIP
... with Peer-to-Peer in the Internet and how to measure accurately this kind of traffic [1] is currently a hot topic. Many applications generate Peer-to-Peer traffic in Internet, where the most relevant ones are probably eMule [2] with its KAD network [3], Bittorrent [4], [5] and Skype [6], [7]. Some o ...
... with Peer-to-Peer in the Internet and how to measure accurately this kind of traffic [1] is currently a hot topic. Many applications generate Peer-to-Peer traffic in Internet, where the most relevant ones are probably eMule [2] with its KAD network [3], Bittorrent [4], [5] and Skype [6], [7]. Some o ...
RoutingAtTheNetworkL.. - University of Delaware
... Every packet is sent to every neighboring router except the one it came on. In order to stop the packet from traveling forever, a counter of the number of hops is decremented at every hop. Once the counter hits zero, the packet is dropped. Use sequence numbers so that if a router sees a packet ...
... Every packet is sent to every neighboring router except the one it came on. In order to stop the packet from traveling forever, a counter of the number of hops is decremented at every hop. Once the counter hits zero, the packet is dropped. Use sequence numbers so that if a router sees a packet ...
Network Programming - Computer Systems: A Programmer`s
... Physically, a network is a hierarchical system that is organized by geographical proximity. At the lowest level is a LAN (Local Area Network) that spans a building or a campus. The most popular LAN technology by far is Ethernet, which was developed in the mid-1970s at Xerox PARC. Ethernet has proven ...
... Physically, a network is a hierarchical system that is organized by geographical proximity. At the lowest level is a LAN (Local Area Network) that spans a building or a campus. The most popular LAN technology by far is Ethernet, which was developed in the mid-1970s at Xerox PARC. Ethernet has proven ...
Ad-hoc networks
... Simple routing protocol example Propagation of routing table Routing and transmitting ...
... Simple routing protocol example Propagation of routing table Routing and transmitting ...
Document
... – Each node is assumed to capable of finding out the state of the link to its neighbors (up or down) and the cost of each link – Each node creates an update packet, also called a link-state packet (LSP) and periodically sends this information to all of its neighbors – Node’s neighbors send the packe ...
... – Each node is assumed to capable of finding out the state of the link to its neighbors (up or down) and the cost of each link – Each node creates an update packet, also called a link-state packet (LSP) and periodically sends this information to all of its neighbors – Node’s neighbors send the packe ...
QoS and Video Delivery
... • Network congestion can be caused by lack of network resources or by uneven distribution of traffic – In the first case, all routers and links are overloaded and the only solution is to provide more resources by upgrading the infrastructure – In the second case, uneven traffic distribution can be c ...
... • Network congestion can be caused by lack of network resources or by uneven distribution of traffic – In the first case, all routers and links are overloaded and the only solution is to provide more resources by upgrading the infrastructure – In the second case, uneven traffic distribution can be c ...
Chapter 4: outline
... Checksum must be recomputed and stored again at each router as TTL and some options fields may change. Router discard datagrams for which an error is detected. Checksum calculation: 1) Divide header into 16-bit sections – checksum field itself is set to 0 2) Sum all sections using 1s comp ...
... Checksum must be recomputed and stored again at each router as TTL and some options fields may change. Router discard datagrams for which an error is detected. Checksum calculation: 1) Divide header into 16-bit sections – checksum field itself is set to 0 2) Sum all sections using 1s comp ...
Network technology
... Connecting to the Internet involved connecting one of your routers to a router at a backbone site, or to a regional network that was already connected to the backbone. ...
... Connecting to the Internet involved connecting one of your routers to a router at a backbone site, or to a regional network that was already connected to the backbone. ...
Addressing, Internetworking
... • It broadcasts ARP request with the destination IP address, and the destination responds with its address. • Alternatively if the destination is not on the same LAN, router sends ARP response (proxy ARP) with its MAC address, or user knows from the IP address that its destination is not on LAN, it ...
... • It broadcasts ARP request with the destination IP address, and the destination responds with its address. • Alternatively if the destination is not on the same LAN, router sends ARP response (proxy ARP) with its MAC address, or user knows from the IP address that its destination is not on LAN, it ...
Chapter 7 Local Area Networks: The Basics Data
... • Private ownership. • Some types of hardware may not interoperate. • Just because a LAN can support two different kinds of packages does not mean their data can interchange easily. • A LAN is only as strong as it weakest link, and there are many links. ...
... • Private ownership. • Some types of hardware may not interoperate. • Just because a LAN can support two different kinds of packages does not mean their data can interchange easily. • A LAN is only as strong as it weakest link, and there are many links. ...
Implementation of Multi-layer techniques using FEDERICA, PASITO
... reduce congestion at the IP layer and to provide an efficient configuration of the IP resources. Previous work has shown that multi-layer techniques are feasible [3] from the technical point of view and they enable optimization of resources utilization in current IP backbone topologies [4], [5], [6] ...
... reduce congestion at the IP layer and to provide an efficient configuration of the IP resources. Previous work has shown that multi-layer techniques are feasible [3] from the technical point of view and they enable optimization of resources utilization in current IP backbone topologies [4], [5], [6] ...
siskiyous.edu
... – Requires thoughtful data filtering, sorting • Information collected does not point to problem ...
... – Requires thoughtful data filtering, sorting • Information collected does not point to problem ...
Book cover slide - Glencoe/McGraw-Hill
... local area network (LAN) A network that is relatively limited in size and that usually connects computers in a small geographical area, such as in the same office building. (p. 45) wide area network (WAN) A computer network that ...
... local area network (LAN) A network that is relatively limited in size and that usually connects computers in a small geographical area, such as in the same office building. (p. 45) wide area network (WAN) A computer network that ...