3-1-4 georouting08
... high loss probability Our approach: 1. Go around the congestion area will decrease the delay, but detour path is usually longer than the shortest path. Going through the long path will cause throughput loss. 2. Study packet delay, the tradeoff between congestion detour and throughput gain. ...
... high loss probability Our approach: 1. Go around the congestion area will decrease the delay, but detour path is usually longer than the shortest path. Going through the long path will cause throughput loss. 2. Study packet delay, the tradeoff between congestion detour and throughput gain. ...
23-wrapup
... What is the Objective of Networking? • Communication between applications on different computers • Must understand application needs/demands • Traffic data rate, pattern (bursty or constant bit rate), target (multipoint or single destination, mobile or fixed) • Delay and loss sensitivity • Other ap ...
... What is the Objective of Networking? • Communication between applications on different computers • Must understand application needs/demands • Traffic data rate, pattern (bursty or constant bit rate), target (multipoint or single destination, mobile or fixed) • Delay and loss sensitivity • Other ap ...
Ad Hoc Routing - Jonathan Sevy
... Vector Routing • Draft RFC at http://www.ietf.org/internetdrafts/draft-ietf-manet-aodv-10.txt • “Hop-by-hop” protocol: intermediate nodes use lookup table to determine next hop based on destination ...
... Vector Routing • Draft RFC at http://www.ietf.org/internetdrafts/draft-ietf-manet-aodv-10.txt • “Hop-by-hop” protocol: intermediate nodes use lookup table to determine next hop based on destination ...
our slides - Project Byzantium
... Some nodes forward traffic to destination Paths through network are chosen using some criteria A number of protocols exist o By 'a number' we mean around 70 o http://urlw.us/list_O_mesh_protocols • Not all protocols o ...have the same features o ...solve the same problems, o ...are equally efficient ...
... Some nodes forward traffic to destination Paths through network are chosen using some criteria A number of protocols exist o By 'a number' we mean around 70 o http://urlw.us/list_O_mesh_protocols • Not all protocols o ...have the same features o ...solve the same problems, o ...are equally efficient ...
Introduction to networking
... What knowledge is contained in these updates When to send this knowledge How to locate recipients of the updates ...
... What knowledge is contained in these updates When to send this knowledge How to locate recipients of the updates ...
In PDF
... Every TOPOLOGY_INTERVAL mili-seconds, a host sends it current list of active neighbors to all other nodes in the network (via a flooding message). Every ROUTE_UPDATE_INTERVAL mili-seconds, a host re-computes its routing tables based on its current knowledge of the network topology. The routing table ...
... Every TOPOLOGY_INTERVAL mili-seconds, a host sends it current list of active neighbors to all other nodes in the network (via a flooding message). Every ROUTE_UPDATE_INTERVAL mili-seconds, a host re-computes its routing tables based on its current knowledge of the network topology. The routing table ...
Systems Area: OS and Networking
... Position: between data-link and network layers Service: best-effort, single hop Common to both single- vs multiple-hop deployments ...
... Position: between data-link and network layers Service: best-effort, single hop Common to both single- vs multiple-hop deployments ...
Networking | computer Network | TCP/IP
... What is the Objective of Networking? • Communication between applications on different computers • Must understand application needs/demands • Traffic data rate, pattern (bursty or constant bit rate), target (multipoint or single destination, mobile or fixed) • Delay and loss sensitivity • Other ap ...
... What is the Objective of Networking? • Communication between applications on different computers • Must understand application needs/demands • Traffic data rate, pattern (bursty or constant bit rate), target (multipoint or single destination, mobile or fixed) • Delay and loss sensitivity • Other ap ...
CSCI3421_Ch4
... distributed/iterative state (e.g., distance vector routing) Routing can be static (topology not changed) or dynamic (reacts to topological changes) Load-sensitive routing vary edge weights with respect to load (not used in Internet) or loadinsensitive ...
... distributed/iterative state (e.g., distance vector routing) Routing can be static (topology not changed) or dynamic (reacts to topological changes) Load-sensitive routing vary edge weights with respect to load (not used in Internet) or loadinsensitive ...
Communication - Princeton University
... No Backbone Changes: Mobile IP • Mobile node has home address & care-of address ...
... No Backbone Changes: Mobile IP • Mobile node has home address & care-of address ...
bryan-vsgc06
... • Still hard to limit number of nodes, and hard to know who is authorized – A bit of a “cheat” -- use a central server, but only to get onto network – Issues a certificate when a user wants to join the network, certificate “chain” is stored in the overlay, so only need to contact to join – Small cos ...
... • Still hard to limit number of nodes, and hard to know who is authorized – A bit of a “cheat” -- use a central server, but only to get onto network – Issues a certificate when a user wants to join the network, certificate “chain” is stored in the overlay, so only need to contact to join – Small cos ...
Control plane
... • One tree that reaches every node – Single path between each pair of nodes – No loops, so can support broadcast easily ...
... • One tree that reaches every node – Single path between each pair of nodes – No loops, so can support broadcast easily ...
Review() - Personal.psu.edu
... • Low error rates and relatively symmetric bidirectional data rates ...
... • Low error rates and relatively symmetric bidirectional data rates ...
Interconnection networks 2, clusters
... – Traverse dimensions of differing address in order • tree: common ancestor • Deadlock free? ...
... – Traverse dimensions of differing address in order • tree: common ancestor • Deadlock free? ...
Part I: Introduction - University of Pittsburgh
... Determining MAC address with IP address ARP table =
Broadcasting mechanism (make sure to know!)
...
... Determining MAC address with IP address ARP table =
Routing
... destination based on prior experience. Forward a message if higher probability than previous hop. Example: Prophet routing protocol (Sami Network ...
... destination based on prior experience. Forward a message if higher probability than previous hop. Example: Prophet routing protocol (Sami Network ...
File
... Each node periodically sends its own distance vector estimate to neighbors When node a node x receives new DV estimate from neighbor, it updates its own DV using B-F equation: Dx(y) ← minv{c(x,v) + Dv(y)} ...
... Each node periodically sends its own distance vector estimate to neighbors When node a node x receives new DV estimate from neighbor, it updates its own DV using B-F equation: Dx(y) ← minv{c(x,v) + Dv(y)} ...
PowerPoint Presentation - Dynamic Routing
... All routers calculate the best path to every destination Any link state changes are flooded across the network ...
... All routers calculate the best path to every destination Any link state changes are flooded across the network ...
Chap 12 Routing Protocols
... entries about networks or subnets that are directly connected to it Each interface must be configured with an IP address and a mask ...
... entries about networks or subnets that are directly connected to it Each interface must be configured with an IP address and a mask ...