Path Splicing: Reliable Connectivity with Rapid Recovery ABSTRACT
... This section describes the mechanism by which slices are “spliced” together to form an end-to-end path. A sequence of bits in the packet header (placed between the network and transport layer headers)—forwarding bits—signal to routers which forwarding table should be used to forward traffic. Other w ...
... This section describes the mechanism by which slices are “spliced” together to form an end-to-end path. A sequence of bits in the packet header (placed between the network and transport layer headers)—forwarding bits—signal to routers which forwarding table should be used to forward traffic. Other w ...
Chapter 10
... because Layer 2 data units, frames, are for local addressing. Layer 3 data units, packets, are for end-to-end addressing. Layer 2 Ethernet frames are designed to operate within a broadcast domain using the MAC address that is burned into the physical device. Other Layer 2 frame types include Point- ...
... because Layer 2 data units, frames, are for local addressing. Layer 3 data units, packets, are for end-to-end addressing. Layer 2 Ethernet frames are designed to operate within a broadcast domain using the MAC address that is burned into the physical device. Other Layer 2 frame types include Point- ...
Aalborg Universitet Morten Videbæk
... networks, the ExOR protocol [5] is an integrated routing and MAC technique that utilizes the cooperation between nodes using the broadcast nature of the wireless medium. However, the nodes in ExOR need to coordinate their actions to avoid transmitting duplicate packets. In order to decrease the coor ...
... networks, the ExOR protocol [5] is an integrated routing and MAC technique that utilizes the cooperation between nodes using the broadcast nature of the wireless medium. However, the nodes in ExOR need to coordinate their actions to avoid transmitting duplicate packets. In order to decrease the coor ...
paper
... (a) Opportunistic Listening: Wireless is a broadcast medium, creating many opportunities for nodes to overhear packets when they are equipped with omni-directional antennae. COPE sets the nodes in promiscuous mode, makes them snoop on all communications over the wireless medium and store the overhea ...
... (a) Opportunistic Listening: Wireless is a broadcast medium, creating many opportunities for nodes to overhear packets when they are equipped with omni-directional antennae. COPE sets the nodes in promiscuous mode, makes them snoop on all communications over the wireless medium and store the overhea ...
Smart Dust and TinyOS: Hardware and Software for Network
... • each node maintains estimate of loss rate over entire path to root • select nbr on the minimum loss path as parent – Pi[to root] through j = P[link i,j] * Pj[to root] – assuming loss rate along path is independent of how packets enter the path ...
... • each node maintains estimate of loss rate over entire path to root • select nbr on the minimum loss path as parent – Pi[to root] through j = P[link i,j] * Pj[to root] – assuming loss rate along path is independent of how packets enter the path ...
Full Text - International Journal of Application or Innovation in
... which uses distance vector share information with other routers in network [6]. Types of routing protocols: there are two kinds of routing protocols 1. Static: in this case the network is fixed. (there are no nodes added or removed) 2. Dynamic: Changes are allowed in this case by allowing updates on ...
... which uses distance vector share information with other routers in network [6]. Types of routing protocols: there are two kinds of routing protocols 1. Static: in this case the network is fixed. (there are no nodes added or removed) 2. Dynamic: Changes are allowed in this case by allowing updates on ...
Diapositiva 1
... Communication between mesh nodes are typically based on Wi-Fi radios (IEEE 802.11 a/b/g) attached to directional or omnidirectional antennas. All radios are set to ad-hoc mode (not client mode or infrastructure (access point) mode). Each node in the WMN has the same ESSID (name) and BSSID (num ...
... Communication between mesh nodes are typically based on Wi-Fi radios (IEEE 802.11 a/b/g) attached to directional or omnidirectional antennas. All radios are set to ad-hoc mode (not client mode or infrastructure (access point) mode). Each node in the WMN has the same ESSID (name) and BSSID (num ...
Chapter 14
... •Hence the problems of Address Depletion and Class B address exhaustion could be sorted out by a protocol which permitted the use of CIDR. Exterior ROUTERS •For exterior routing, Distance-Vector is not used because of the following problems: –There are occasions when the route with the smallest hop- ...
... •Hence the problems of Address Depletion and Class B address exhaustion could be sorted out by a protocol which permitted the use of CIDR. Exterior ROUTERS •For exterior routing, Distance-Vector is not used because of the following problems: –There are occasions when the route with the smallest hop- ...
Vivaldi: A Decentralized Network Coordinate System
... A number of existing synthetic coordinate systems address some of these challenges, but none addresses them all, as Section 6 discusses. The primary contribution of this paper is a decentralized, lowoverhead, adaptive synthetic coordinate system, Vivaldi, that computes coordinates which predict Inte ...
... A number of existing synthetic coordinate systems address some of these challenges, but none addresses them all, as Section 6 discusses. The primary contribution of this paper is a decentralized, lowoverhead, adaptive synthetic coordinate system, Vivaldi, that computes coordinates which predict Inte ...
Unicast Routing Protocols
... To show that the shortest path tree for each node is different, we found the shortest path tree as seen by node C (Figure 11.20). We leave the detail as an exercise. ...
... To show that the shortest path tree for each node is different, we found the shortest path tree as seen by node C (Figure 11.20). We leave the detail as an exercise. ...
PDF
... Ring Membership Management. The number of nodes per ring, k, represents an inherent tradeoff between accuracy and overhead. A large k increases a node’s information about its peers and helps it make better choices when routing queries. On the other hand, a large k also entails more state, more memor ...
... Ring Membership Management. The number of nodes per ring, k, represents an inherent tradeoff between accuracy and overhead. A large k increases a node’s information about its peers and helps it make better choices when routing queries. On the other hand, a large k also entails more state, more memor ...
blue
... Libnids is often used by network monitor systems Libnids drawback : – when packet lose, it can’t reassemble following packets – It consumes a lot of memory to store packets ...
... Libnids is often used by network monitor systems Libnids drawback : – when packet lose, it can’t reassemble following packets – It consumes a lot of memory to store packets ...
paper
... coding and demonstrate via implementation and testbed experiment that intra-session network coding yields practical benefits to both unicast and multicast flows [16]. Inter-session network coding, to which COPE belongs, is known to be difficult. It is known that linear codes are insufficient for opt ...
... coding and demonstrate via implementation and testbed experiment that intra-session network coding yields practical benefits to both unicast and multicast flows [16]. Inter-session network coding, to which COPE belongs, is known to be difficult. It is known that linear codes are insufficient for opt ...
Decentralized Location Services
... Routing maps across network are up to date Null/non-null properties identical at all nodes sharing same ...
... Routing maps across network are up to date Null/non-null properties identical at all nodes sharing same ...
SplitStream: High-Bandwidth Multicast in Cooperative Environments Miguel Castro Peter Druschel
... Therefore, we expect configurations where all peers receive all stripes to be common. In this case, the algorithm can guarantee efficient forest construction with probability one even if there is no spare capacity. In an open cooperative environment, it is important to address the issue of free loaders ...
... Therefore, we expect configurations where all peers receive all stripes to be common. In this case, the algorithm can guarantee efficient forest construction with probability one even if there is no spare capacity. In an open cooperative environment, it is important to address the issue of free loaders ...
No Slide Title
... Regular routing updates: Every 30 seconds, send all or part of the routing tables to every neighbor. Triggered Updates: Whenever the metric for a route changes, send data that has changed. ...
... Regular routing updates: Every 30 seconds, send all or part of the routing tables to every neighbor. Triggered Updates: Whenever the metric for a route changes, send data that has changed. ...
Chapter 6 Dynamic Routing
... 90 route found using EIGRP 100 route found using IGRP 110 route found using OSPF 120 route found using RIP Maximum possible value is 255 ...
... 90 route found using EIGRP 100 route found using IGRP 110 route found using OSPF 120 route found using RIP Maximum possible value is 255 ...
Peer-to-Peer Overlay Broker Networks in an Event
... algorithm — a complete description of Pastry and a discussion of its properties can be found in [13]. Each Pan node has a unique node identifier. The main operation provided by the routing layer is route(message, nodeId) which routes a message to a node with a particular nodeId. Each node keeps a ro ...
... algorithm — a complete description of Pastry and a discussion of its properties can be found in [13]. Each Pan node has a unique node identifier. The main operation provided by the routing layer is route(message, nodeId) which routes a message to a node with a particular nodeId. Each node keeps a ro ...
Class Power Points for Chapter #6
... being used. Currently we are using IP version four, although IP version six will soon make an impact on the networking world. 2. IHL (Internet Header Length) - The IHL simply measures the length of the IP header in 32-bit words. The minimum header length is five 32-bit words. 3. Type of Service - Th ...
... being used. Currently we are using IP version four, although IP version six will soon make an impact on the networking world. 2. IHL (Internet Header Length) - The IHL simply measures the length of the IP header in 32-bit words. The minimum header length is five 32-bit words. 3. Type of Service - Th ...
TCP in Wireless Networks
... that packet to the receiver. Another well understood policy that is referred to as the go-back-N (GBN) policy [11]. Under the GBN policy, when a timeout occurs, typically on the unacknowledged packet that was sent at the earliest time, the sender resends all unacknowledged packets, including the pac ...
... that packet to the receiver. Another well understood policy that is referred to as the go-back-N (GBN) policy [11]. Under the GBN policy, when a timeout occurs, typically on the unacknowledged packet that was sent at the earliest time, the sender resends all unacknowledged packets, including the pac ...
Powerpoint Slides
... First prune all links not fulfilling constrains Now find shortest path on the rest of the topology ...
... First prune all links not fulfilling constrains Now find shortest path on the rest of the topology ...