Computer Networks and Internets
... The Point of Routing Exchange Each router runs routing software that learns about destinations other routers can reach, and informs other routers about destinations that it can reach. The routing software uses incoming information to update the local routing table ...
... The Point of Routing Exchange Each router runs routing software that learns about destinations other routers can reach, and informs other routers about destinations that it can reach. The routing software uses incoming information to update the local routing table ...
Mention typical hardware components in a computer system (at least
... The following is a list of possible questions for our quiz on October 18th. Some of the questions will not be asked in the quiz. All the questions that will appear in the quiz will appear exactly as shown below (however, numeric parameters may be changed). The quiz is closed textbook, closed notes a ...
... The following is a list of possible questions for our quiz on October 18th. Some of the questions will not be asked in the quiz. All the questions that will appear in the quiz will appear exactly as shown below (however, numeric parameters may be changed). The quiz is closed textbook, closed notes a ...
Ch11
... — Use any routing algorithm to determine shortest paths — In practice, Dijkstra's algorithm ...
... — Use any routing algorithm to determine shortest paths — In practice, Dijkstra's algorithm ...
ppt
... As more requests are processed, nodes should specialize in handling a few parts of the key space ...
... As more requests are processed, nodes should specialize in handling a few parts of the key space ...
PowerPoint XP
... A generalization of interconnected local area networks Uses machines to interconnect various networks ...
... A generalization of interconnected local area networks Uses machines to interconnect various networks ...
Adaptive routing
... » At least one packet will have taken minimum hop count route – Can be used to set up virtual circuit » All nodes are visited – Useful to distribute information (e.g. routing) ...
... » At least one packet will have taken minimum hop count route – Can be used to set up virtual circuit » All nodes are visited – Useful to distribute information (e.g. routing) ...
QoS Guarantee in Wirless Network
... • Main challenge: maintain/update the hierarchical partitions in the face of mobility • Solution: distinguish between “physical” partitions and “logical” grouping – physical partitions are based on geographical proximity – logical grouping is based on functional affinity between nodes (e.g., tanks o ...
... • Main challenge: maintain/update the hierarchical partitions in the face of mobility • Solution: distinguish between “physical” partitions and “logical” grouping – physical partitions are based on geographical proximity – logical grouping is based on functional affinity between nodes (e.g., tanks o ...
The Network Layer
... a) (a) Range of A's broadcast. b) (b) After B and D have received A's broadcast. c) (c) After C, F, and G have received A's broadcast. d) (d) After E, H, and I have received A's broadcast. Shaded nodes are new recipients. Arrows show possible reverse routes. ...
... a) (a) Range of A's broadcast. b) (b) After B and D have received A's broadcast. c) (c) After C, F, and G have received A's broadcast. d) (d) After E, H, and I have received A's broadcast. Shaded nodes are new recipients. Arrows show possible reverse routes. ...
Powerpoint
... – Quality of Service at the link level – Quality of Service over multiple paths – Aggregation of flows – Distribution of aggregated flows – Integration of routing and reservations – Transmission of priority packets over multiple paths – CAMP mesh routing ...
... – Quality of Service at the link level – Quality of Service over multiple paths – Aggregation of flows – Distribution of aggregated flows – Integration of routing and reservations – Transmission of priority packets over multiple paths – CAMP mesh routing ...
Recharter INTRO
... Strawman Reduced Scope ” The near term design goals of the WG are to support small-tomedium sized MANET network areas scaling up to approximately one hundred nodes. Provided progress is made on the core unicast standards, ancillary work may be considered by the WG including development of specifica ...
... Strawman Reduced Scope ” The near term design goals of the WG are to support small-tomedium sized MANET network areas scaling up to approximately one hundred nodes. Provided progress is made on the core unicast standards, ancillary work may be considered by the WG including development of specifica ...
Network Layer
... • Historically known as the old ARPANET routing algorithm {or known as Bellman-Ford algorithm}. Basic idea: each network node maintains a Distance Vector table containing the distance between itself and ALL possible destination nodes. • Distances are based on a chosen metric and are computed using i ...
... • Historically known as the old ARPANET routing algorithm {or known as Bellman-Ford algorithm}. Basic idea: each network node maintains a Distance Vector table containing the distance between itself and ALL possible destination nodes. • Distances are based on a chosen metric and are computed using i ...
Network Layer Routing
... • Historically known as the old ARPANET routing algorithm {or known as Bellman-Ford algorithm}. Basic idea: each network node maintains a Distance Vector table containing the distance between itself and ALL possible destination nodes. • Distances are based on a chosen metric and are computed using i ...
... • Historically known as the old ARPANET routing algorithm {or known as Bellman-Ford algorithm}. Basic idea: each network node maintains a Distance Vector table containing the distance between itself and ALL possible destination nodes. • Distances are based on a chosen metric and are computed using i ...
Network Layer
... • Historically known as the old ARPANET routing algorithm {or known as Bellman-Ford algorithm}. Basic idea: each network node maintains a Distance Vector table containing the distance between itself and ALL possible destination nodes. • Distances are based on a chosen metric and are computed using i ...
... • Historically known as the old ARPANET routing algorithm {or known as Bellman-Ford algorithm}. Basic idea: each network node maintains a Distance Vector table containing the distance between itself and ALL possible destination nodes. • Distances are based on a chosen metric and are computed using i ...
Host-Specific Routing
... • Table can be either static or dynamic in nature • A static routing table contains information entered manually. • A dynamic routing table is updated periodically using one of the dynamic routing protocols such as RIP, OSPF, or BGP • Regarding dynamic routing table: if fiber cut or router failure, ...
... • Table can be either static or dynamic in nature • A static routing table contains information entered manually. • A dynamic routing table is updated periodically using one of the dynamic routing protocols such as RIP, OSPF, or BGP • Regarding dynamic routing table: if fiber cut or router failure, ...
Internet Routing
... OSPF (Open Shortest Path First) • “open”: publicly available • Typically used in upperupper-tier ISPs • Uses Link State algorithm • LS packet dissemination • Topology map at each node • Route computation using Dijkstra’s algorithm ...
... OSPF (Open Shortest Path First) • “open”: publicly available • Typically used in upperupper-tier ISPs • Uses Link State algorithm • LS packet dissemination • Topology map at each node • Route computation using Dijkstra’s algorithm ...
Resilient Overlay Networks - Networks and Mobile Systems
... RON Design Nodes in different routing domains (ASes) ...
... RON Design Nodes in different routing domains (ASes) ...
router
... Multiple routes to a given destination, one per type of service Support for variable-length subnetting by including the subnet mask in the routing message More flexible link cost which can range from 1 to 65,535 Distribution of traffic over multiple paths of equal cost Authentication to ensure route ...
... Multiple routes to a given destination, one per type of service Support for variable-length subnetting by including the subnet mask in the routing message More flexible link cost which can range from 1 to 65,535 Distribution of traffic over multiple paths of equal cost Authentication to ensure route ...
Chapter 14
... • If the neighbor responds, the link is up, else down – Routers periodically broadcast a message with the status of each of its links • Indicates whether communication is possible between pairs of routers – When link status information arrives at a router, it modifies its view of the internet ...
... • If the neighbor responds, the link is up, else down – Routers periodically broadcast a message with the status of each of its links • Indicates whether communication is possible between pairs of routers – When link status information arrives at a router, it modifies its view of the internet ...
Chapter 14-16a
... – 2: current version Type – 1: “Hello”, for discovery – 2: database structure – 3: request link-state – 4: update link-state – 5: acknowledge update Length of message Router ID – unique in a single area Area ID – unique to an AS Internet checksum Authentication Info – Type of authentication – 64 bit ...
... – 2: current version Type – 1: “Hello”, for discovery – 2: database structure – 3: request link-state – 4: update link-state – 5: acknowledge update Length of message Router ID – unique in a single area Area ID – unique to an AS Internet checksum Authentication Info – Type of authentication – 64 bit ...