DIMACS Talk
... • Router can be part of many instances • Routing info: unfettered exchange within instance, but filtered across instances ...
... • Router can be part of many instances • Routing info: unfettered exchange within instance, but filtered across instances ...
Network Adapters (continued)
... • In addition to its ability to find the best path, a routing protocol can be characterized according to its router convergence time, the time it takes for a router to recognize a best path in the event of a change or network outage ...
... • In addition to its ability to find the best path, a routing protocol can be characterized according to its router convergence time, the time it takes for a router to recognize a best path in the event of a change or network outage ...
Telcordia-NSIS - Columbia University
... Mean call duration = 9 min 60 requests/second probably about 3 MB of data ...
... Mean call duration = 9 min 60 requests/second probably about 3 MB of data ...
Document
... Routing in Ad Hoc Networks Ad Hoc Network = routers are mobile o No fixed topologies o No fixed or known neighbors o Valid paths can disappear at any time o Node = router + host o Routing quite different from routing in wired networks ...
... Routing in Ad Hoc Networks Ad Hoc Network = routers are mobile o No fixed topologies o No fixed or known neighbors o Valid paths can disappear at any time o Node = router + host o Routing quite different from routing in wired networks ...
Packet Forwarding
... There is no round trip time delay waiting for connection setup; a host can send data as soon as it is ready. Source host has no way of knowing if the network is capable of delivering a packet or if the destination host is even up. Since packets are treated independently, it is possible to route arou ...
... There is no round trip time delay waiting for connection setup; a host can send data as soon as it is ready. Source host has no way of knowing if the network is capable of delivering a packet or if the destination host is even up. Since packets are treated independently, it is possible to route arou ...
IP - High Speed Network
... Scope S is used to set the stop point for reachability information propagation Ancestors-are-sibling level aij of nodes i and j is the level at which the ancestors of the two nodes i and j belong to the same peer group The neighborhood Gi of a node i is defined to include all nodes j such that aij > ...
... Scope S is used to set the stop point for reachability information propagation Ancestors-are-sibling level aij of nodes i and j is the level at which the ancestors of the two nodes i and j belong to the same peer group The neighborhood Gi of a node i is defined to include all nodes j such that aij > ...
Summary of Network Layer Concepts
... can change ISP without changing addresses of devices in local network devices inside local net not explicitly addressable, visible by outside world (a ...
... can change ISP without changing addresses of devices in local network devices inside local net not explicitly addressable, visible by outside world (a ...
資工系網媒所 NEWS實驗室
... fixed-length packets which are sent to the destination Each packet may take a different path through the network The packets must be reassembled into messages as they arrive ...
... fixed-length packets which are sent to the destination Each packet may take a different path through the network The packets must be reassembled into messages as they arrive ...
Network Operating System
... Each packet may take a different path through the network The packets must be reassembled into messages as they arrive ...
... Each packet may take a different path through the network The packets must be reassembled into messages as they arrive ...
cap5-2006
... This is the case of spontaneous networking with mobile devices in a room Someone “announce” her presence to the other members by sending message to all at regular intervals The fact that someone has left is recorded by the others when there have been no messages from her since a certain period of ...
... This is the case of spontaneous networking with mobile devices in a room Someone “announce” her presence to the other members by sending message to all at regular intervals The fact that someone has left is recorded by the others when there have been no messages from her since a certain period of ...
A Performance Comparison of Wireless Ad Hoc Network
... Best route for Z: through Y, which is closest Hot-potato change: change in cost vector causes change in best route ...
... Best route for Z: through Y, which is closest Hot-potato change: change in cost vector causes change in best route ...
Document
... Link state algorithms • All the nodes know the state of the network • Some time to propagate changes • E.g. OSPF (Open Short Path First) ...
... Link state algorithms • All the nodes know the state of the network • Some time to propagate changes • E.g. OSPF (Open Short Path First) ...
Leveraging Identity-based Cryptography for Node ID Assignment in
... We now break down the per-flow and total costs for each of the protocols. Table 2 presents the results for the four messages composing protocol 1. In this, the third message (first message of the BN exchange) consumes about 60% of the total delay per protocol iteration - a result of both the client ...
... We now break down the per-flow and total costs for each of the protocols. Table 2 presents the results for the four messages composing protocol 1. In this, the third message (first message of the BN exchange) consumes about 60% of the total delay per protocol iteration - a result of both the client ...
Welcome SMS in Erlang
... Where is the customer? (VLR Address) Whose customer is it (IMSI) Who should receive the SMS? (MSISDN) VLR address and IMSI are in Location Update, MSISDN is in Insert Subscriber Data. These messages can even take different physical routes... ...
... Where is the customer? (VLR Address) Whose customer is it (IMSI) Who should receive the SMS? (MSISDN) VLR address and IMSI are in Location Update, MSISDN is in Insert Subscriber Data. These messages can even take different physical routes... ...
A P2PSIP Demonstrator Powered by OverSim
... tured peer-to-peer overlays [3] to support a broad range of applications. III. P2PSIP An emerging use case for overlay protocols are decentralized VoIP networks. Recently an IETF working group has been formed to develop protocols for the use of the Session Initiation Protocol (SIP) in networks witho ...
... tured peer-to-peer overlays [3] to support a broad range of applications. III. P2PSIP An emerging use case for overlay protocols are decentralized VoIP networks. Recently an IETF working group has been formed to develop protocols for the use of the Session Initiation Protocol (SIP) in networks witho ...
Week5 - University of Sydney
... • we need a metric, which one? – cost? not appropriate within enterprise but between; e.g., which long-distance company? – hop count - how many routers do we traverse – available bandwidth - go least congested route – speed of underlying network, use ATM as opposed to 1200 baud modem? – time: shorte ...
... • we need a metric, which one? – cost? not appropriate within enterprise but between; e.g., which long-distance company? – hop count - how many routers do we traverse – available bandwidth - go least congested route – speed of underlying network, use ATM as opposed to 1200 baud modem? – time: shorte ...
module11a
... Link State Routing: Basic princples 1. Each router establishes a relationship (“adjacency”) with its neighbors 2.Each router generates link state advertisements (LSAs) which are distributed to all routers LSA = (link id, state of the link, cost, neighbors of the link) ...
... Link State Routing: Basic princples 1. Each router establishes a relationship (“adjacency”) with its neighbors 2.Each router generates link state advertisements (LSAs) which are distributed to all routers LSA = (link id, state of the link, cost, neighbors of the link) ...
PPT
... • Do not use classes to determine network ID • Assign any range of addresses to network • Use common part of address as network number • E.g., addresses 192.4.16 - 192.4.31 have the first 20 bits in common. Thus, we use these 20 bits as the network number • netmask is /20, /xx is valid for almost an ...
... • Do not use classes to determine network ID • Assign any range of addresses to network • Use common part of address as network number • E.g., addresses 192.4.16 - 192.4.31 have the first 20 bits in common. Thus, we use these 20 bits as the network number • netmask is /20, /xx is valid for almost an ...
Routing Protocols - Austin Community College
... networks without the need for Network layer addressing • The most common nonroutable protocol is NetBEUI • Other protocols were designed with the ability to move between multiple networks via Network layer addressing • The most common routed protocol suite is TCP/IP ...
... networks without the need for Network layer addressing • The most common nonroutable protocol is NetBEUI • Other protocols were designed with the ability to move between multiple networks via Network layer addressing • The most common routed protocol suite is TCP/IP ...
![powerpoint [] slides](http://s1.studyres.com/store/data/008738050_1-f3e04ed407b0a5cf5b72b71262d7d967-300x300.png)
powerpoint [] slides
... IPv6 Header (Cont) Priority: identify priority among datagrams in flow Flow Label: identify datagrams in same “flow” (concept of “flow” not well defined). Next header: identify upper layer protocol for data ...
... IPv6 Header (Cont) Priority: identify priority among datagrams in flow Flow Label: identify datagrams in same “flow” (concept of “flow” not well defined). Next header: identify upper layer protocol for data ...
Ao-Jan
... receiver, and that they are placed at fixed and well-known locations Example: a host identified by the IP address 165.124.180.xxx is located in NU ...
... receiver, and that they are placed at fixed and well-known locations Example: a host identified by the IP address 165.124.180.xxx is located in NU ...