Path Splicing with Network Slicing
... Significant Novelty for Modest Stretch • Novelty: difference in nodes in a perturbed shortest path from the original shortest path Fraction of edges on short path shared with long path ...
... Significant Novelty for Modest Stretch • Novelty: difference in nodes in a perturbed shortest path from the original shortest path Fraction of edges on short path shared with long path ...
PPT Version
... • Typical features of ad hoc networks: • Multi-hop packet forwarding • Hosts (can) also serve to forward packets • Infrastructure-less • Random mobility • Different concept of link ...
... • Typical features of ad hoc networks: • Multi-hop packet forwarding • Hosts (can) also serve to forward packets • Infrastructure-less • Random mobility • Different concept of link ...
Notable Issues
... routing tries to determine how fast each possible route is – Routers periodically exchange this information to other routers in the network – Preferred over distance vector protocols because they converge quicker ...
... routing tries to determine how fast each possible route is – Routers periodically exchange this information to other routers in the network – Preferred over distance vector protocols because they converge quicker ...
Ch. 7 - RIPv2
... one router to another via a routing protocol (like defaultinformation originate – which propagates the default route to all routers on the network ) -Example R2(config-router)#redistribute static ...
... one router to another via a routing protocol (like defaultinformation originate – which propagates the default route to all routers on the network ) -Example R2(config-router)#redistribute static ...
Modules of the Project
... been made to solve the problem of whether or not a network can be localized. Nevertheless, based on the data collected from a working sensor network, it is observed that the network is not always entirely localizable. Theoretical analyses also suggest that, in most cases, it is unlikely that all nod ...
... been made to solve the problem of whether or not a network can be localized. Nevertheless, based on the data collected from a working sensor network, it is observed that the network is not always entirely localizable. Theoretical analyses also suggest that, in most cases, it is unlikely that all nod ...
Lect13
... IP Datagram Format • Datagrams can have different sizes – Header area usually fixed (20 octets) but can have options. – Data area can contain between 1 octet and 65,535 octets (216 - 1). – Usually, data area much larger than header. ...
... IP Datagram Format • Datagrams can have different sizes – Header area usually fixed (20 octets) but can have options. – Data area can contain between 1 octet and 65,535 octets (216 - 1). – Usually, data area much larger than header. ...
PDF
... • Understand the impact of different DHT routing geometries on reliability and efficiency ...
... • Understand the impact of different DHT routing geometries on reliability and efficiency ...
Mobile IP
... Changes to MNs are required. Security: Routing table are changed based on messages sent by mobile node. Additionally all system in the network can easily obtain a copy of all packets destined for an MN. ...
... Changes to MNs are required. Security: Routing table are changed based on messages sent by mobile node. Additionally all system in the network can easily obtain a copy of all packets destined for an MN. ...
Document
... • A distance vector routing protocol usually uses hop count as its metric • A distance vector routing protocol is characterized by how it communicates with other routing devices • Distance vector routing protocols use broadcasts to advertise their entire routing table to directly connected peer rout ...
... • A distance vector routing protocol usually uses hop count as its metric • A distance vector routing protocol is characterized by how it communicates with other routing devices • Distance vector routing protocols use broadcasts to advertise their entire routing table to directly connected peer rout ...
3rd Edition: Chapter 4
... - as layer-3 protocols have access to logical address (IP addresses) so routers have the capability to forward data across networks - far more feature rich as compared to switches - maintain routing table for data forwarding Network Layer 4-10 ...
... - as layer-3 protocols have access to logical address (IP addresses) so routers have the capability to forward data across networks - far more feature rich as compared to switches - maintain routing table for data forwarding Network Layer 4-10 ...
Routing - University of Pittsburgh
... N = set of routers = { u, v, w, x, y, z } E = set of links ={ (u,v), (u,x), (v,x), (v,w), (x,w), (x,y), (w,y), (w,z), (y,z) } Remark: Graph abstraction is useful in other network contexts Example: P2P, where N is set of peers and E is set of TCP connections Network Layer ...
... N = set of routers = { u, v, w, x, y, z } E = set of links ={ (u,v), (u,x), (v,x), (v,w), (x,w), (x,y), (w,y), (w,z), (y,z) } Remark: Graph abstraction is useful in other network contexts Example: P2P, where N is set of peers and E is set of TCP connections Network Layer ...
Chapter 4 slides - University of Massachusetts Lowell
... iterative process of computation, exchange of info with neighbors “distance vector” algorithms ...
... iterative process of computation, exchange of info with neighbors “distance vector” algorithms ...
Border Gateway Protocol
... – LS packet dissemination – topology map at each node – route computation using Dijkstra’s algorithm ...
... – LS packet dissemination – topology map at each node – route computation using Dijkstra’s algorithm ...
ppt
... else. What total throughput can we get? • We have N nodes, if perfect, we can get a total capacity of O(n). Great! But: • Each has length O(sqrt(n)) • So each Tx requires up to sqrt(n) of the O(n) capacity. • Per-node capacity scales as 1/sqrt(n) • Yes - it goes down! More time spent Tx’ing other pe ...
... else. What total throughput can we get? • We have N nodes, if perfect, we can get a total capacity of O(n). Great! But: • Each has length O(sqrt(n)) • So each Tx requires up to sqrt(n) of the O(n) capacity. • Per-node capacity scales as 1/sqrt(n) • Yes - it goes down! More time spent Tx’ing other pe ...
PRACTICE QUESTIONS ON RESOURCE ALLOCATION QUESTION 1: Internet Versus Station Wagon
... Suppose two hosts have a long-lived TCP session over a path with a 100 msec round-trip time (RTT). Then, a link fails, causing the traffic to flow over a longer path with a 500 msec RTT. (4a) Suppose the router on the left recognizes the failure immediately and starts forwarding data packets over th ...
... Suppose two hosts have a long-lived TCP session over a path with a 100 msec round-trip time (RTT). Then, a link fails, causing the traffic to flow over a longer path with a 500 msec RTT. (4a) Suppose the router on the left recognizes the failure immediately and starts forwarding data packets over th ...
Communication - INFN Sezione di Ferrara
... Pass reference to outgoing message, and wait until receipt starts ...
... Pass reference to outgoing message, and wait until receipt starts ...
Introduction to Artificial Intelligence
... • There is almost never enough data or patience to reliably estimate so many very specific parameters. • If a blanket assumption of conditional independence is made, efficient probabilistic reasoning is possible, but such a strong assumption is rarely warranted. ...
... • There is almost never enough data or patience to reliably estimate so many very specific parameters. • If a blanket assumption of conditional independence is made, efficient probabilistic reasoning is possible, but such a strong assumption is rarely warranted. ...
interface-based forwarding
... this example) • Router 0 adds an entry for the mobile host, and since it is the intended destination for the update message, sends an acknowledgment back to the mobile host. • If the mobile host is in a foreign domain, it will register its IP address with its home agent. ...
... this example) • Router 0 adds an entry for the mobile host, and since it is the intended destination for the update message, sends an acknowledgment back to the mobile host. • If the mobile host is in a foreign domain, it will register its IP address with its home agent. ...
Introduction to Computer Communication
... Allows an end-system to communicate with any other endsystem by computing a route between them Logically concatenates a set of links to form the abstraction of an end-to-end link Hides idiosyncrasies of datalink layer Provides unique network-wide addresses Found both in end-systems and in intermedia ...
... Allows an end-system to communicate with any other endsystem by computing a route between them Logically concatenates a set of links to form the abstraction of an end-to-end link Hides idiosyncrasies of datalink layer Provides unique network-wide addresses Found both in end-systems and in intermedia ...
RouterA(config)# ip route
... Routing Metrics (cont.) 1. Hop count: number of routing devices the packet needs to travel to reach the destination network - counts router hops 2. Bandwidth: cumulative bandwidth of the links to the destination measured in kilobits per second 3. Delay: length of time (in microseconds) a packet tak ...
... Routing Metrics (cont.) 1. Hop count: number of routing devices the packet needs to travel to reach the destination network - counts router hops 2. Bandwidth: cumulative bandwidth of the links to the destination measured in kilobits per second 3. Delay: length of time (in microseconds) a packet tak ...
AL35218220
... E. The number of nodes and links in the network are denoted by |V | and |E|, respectively. A path p is a sequence of nodes such that from each node in the path, there is a link to the next node in the sequence. As an example, the path p = {s, i1, i2, ···, in, d}. The Equal-Cost Multipath (ECMP) prot ...
... E. The number of nodes and links in the network are denoted by |V | and |E|, respectively. A path p is a sequence of nodes such that from each node in the path, there is a link to the next node in the sequence. As an example, the path p = {s, i1, i2, ···, in, d}. The Equal-Cost Multipath (ECMP) prot ...