Wireless Networks Protocols
... – On transmission, assemble data into a frame with address and error detection fields – On reception, disassemble frame and perform address recognition and error detection – Govern access to the LAN transmission medium ...
... – On transmission, assemble data into a frame with address and error detection fields – On reception, disassemble frame and perform address recognition and error detection – Govern access to the LAN transmission medium ...
Floodless in SEATTLE: A Scalable Ethernet Architecture for Large Enterprises
... – Unbalanced link utilization, low availability and throughput due to tree-based forwarding ...
... – Unbalanced link utilization, low availability and throughput due to tree-based forwarding ...
Path Splicing with Network Slicing
... Path Splicing: Main Idea Compute multiple forwarding trees per destination. Allow packets to switch slices midstream. ...
... Path Splicing: Main Idea Compute multiple forwarding trees per destination. Allow packets to switch slices midstream. ...
emulab.net: A Network Emulation and
... – of all experimenter-visible resources – node names, network interface names, network addrs – Allows swapin/swapout, easily scriptable ...
... – of all experimenter-visible resources – node names, network interface names, network addrs – Allows swapin/swapout, easily scriptable ...
The Pulse Protocol: Energy Efficient Infrastructure Access
... Boot straps communication off of the tree route Route are not initially the direct shortest path, but routing mechanism allows the path to converge towards the shortest path Active destinations can be reached without flooding the network ...
... Boot straps communication off of the tree route Route are not initially the direct shortest path, but routing mechanism allows the path to converge towards the shortest path Active destinations can be reached without flooding the network ...
Ch. 9 - Ethernet - Information Systems Technology
... Not scalable – just results in larger collision domains! Increased latency ...
... Not scalable – just results in larger collision domains! Increased latency ...
CIS6930: Advanced Topics in Networking
... – Nodes are partitioned into layers based on the position in the spanning tree – The channel from a lower layer node to a higher layer node is the up link, the channel from a higher layer node to a lower layer node is a down link, channels between nodes in the same layer are marked as up or down lin ...
... – Nodes are partitioned into layers based on the position in the spanning tree – The channel from a lower layer node to a higher layer node is the up link, the channel from a higher layer node to a lower layer node is a down link, channels between nodes in the same layer are marked as up or down lin ...
ECE544_Review
... with a flag in their link-state messages • routers include in their link-state messages a list of all groups that have members on the router’s directly-attached links (as learned through IGMP) ...
... with a flag in their link-state messages • routers include in their link-state messages a list of all groups that have members on the router’s directly-attached links (as learned through IGMP) ...
slides - Computer Science Department
... TRILL and SPB TRILL • Transparent Interconnect of Lots of Links, IETF • IS-IS as a topology management protocol • Shortest path forwarding • New TRILL header • Transit hash to select nexthop ...
... TRILL and SPB TRILL • Transparent Interconnect of Lots of Links, IETF • IS-IS as a topology management protocol • Shortest path forwarding • New TRILL header • Transit hash to select nexthop ...
M-GEAR: Gateway-Based Energy-Aware Multi
... A primary goal in WSNs routing is lifetime maximization Clustering based protocols have gained great acceptance in many applications In cluster based routing protocols, Cluster Heads (CHs) are elected based on a probability CHs are not distributed uniformly in the sensor field Nodes farawa ...
... A primary goal in WSNs routing is lifetime maximization Clustering based protocols have gained great acceptance in many applications In cluster based routing protocols, Cluster Heads (CHs) are elected based on a probability CHs are not distributed uniformly in the sensor field Nodes farawa ...
Solution
... 1. Suppose two nodes start to transmit at the same time a packet of length L over a broadcast channel of rate R. Denote the propagation delay between the two nodes as dprop. Will there be a collision dprop < L/R ? Why or why not? There will be a collision in the sense that while a node is transmitti ...
... 1. Suppose two nodes start to transmit at the same time a packet of length L over a broadcast channel of rate R. Denote the propagation delay between the two nodes as dprop. Will there be a collision dprop < L/R ? Why or why not? There will be a collision in the sense that while a node is transmitti ...
Ethernet - SigmaNet
... 802.1w provides the structure on which the 802.1s features such as multiple spanning tree operates. There are only three port states left in RSTP corresponding to the three possible operational states Learning ,Forwarding and Discarding. Rapid Transition to Forwarding State is the most important ...
... 802.1w provides the structure on which the 802.1s features such as multiple spanning tree operates. There are only three port states left in RSTP corresponding to the three possible operational states Learning ,Forwarding and Discarding. Rapid Transition to Forwarding State is the most important ...
Fundamentals of Computer Networks ECE 478/578
... Types of ASes • Stub AS: an AS with only a single connection to one other Ases (carries local traffic) • Multihomed AS: An AS that has connections to more than one ASes but refuses to carry transit traffic • Transit AS: An AS that has connections to more than one AS and carries both transit and loc ...
... Types of ASes • Stub AS: an AS with only a single connection to one other Ases (carries local traffic) • Multihomed AS: An AS that has connections to more than one ASes but refuses to carry transit traffic • Transit AS: An AS that has connections to more than one AS and carries both transit and loc ...
min. cost network flow problem
... • In a capacitated network, we wish to send as much flow as possible between two special nodes, a source node s and a sink node t, without exceeding the capacity of any arc. • The problem reportedly rose in relation to the rail networks of the Soviet Union, during the 1950's. The US wanted to know h ...
... • In a capacitated network, we wish to send as much flow as possible between two special nodes, a source node s and a sink node t, without exceeding the capacity of any arc. • The problem reportedly rose in relation to the rail networks of the Soviet Union, during the 1950's. The US wanted to know h ...
TCP/IP Support Protocols
... Diskless workstations have no way to know own IP address IP addresses are set by software configuration (SA) Ethernet port is on card itself.. can’t be changed ...
... Diskless workstations have no way to know own IP address IP addresses are set by software configuration (SA) Ethernet port is on card itself.. can’t be changed ...
MINTED: MULTICAST VIRTUAL NETWORK EMBEDDING IN
... that of unicast for several reasons: mainly a multicast VN comprises two types of virtual nodes (machines): the multicast source node and a set of multicast recipient nodes (terminals). The traffic flow routing now consists of building a multicast distribution tree between the multicast source and t ...
... that of unicast for several reasons: mainly a multicast VN comprises two types of virtual nodes (machines): the multicast source node and a set of multicast recipient nodes (terminals). The traffic flow routing now consists of building a multicast distribution tree between the multicast source and t ...
T9-routing
... One master, several slaves Ad-hoc: All potential masters and slaves at the same time IBSS ...
... One master, several slaves Ad-hoc: All potential masters and slaves at the same time IBSS ...
Physical Networks
... the user • Does not mandate a network interconnection topology • Establishes network independence in the user interface ...
... the user • Does not mandate a network interconnection topology • Establishes network independence in the user interface ...
Wireless Routing Protocols
... Requested packets are transmitted to cluster-head, then transmitted to the gateway node Receiving end does this in reverse order Nodes contain table of paths to other nodes on network using DSDV algorithm ...
... Requested packets are transmitted to cluster-head, then transmitted to the gateway node Receiving end does this in reverse order Nodes contain table of paths to other nodes on network using DSDV algorithm ...
ns2-ch15 16
... if expand-port-field-bits is attempted with portbits less than or equal to the existing portsize. if number of hierarchy levels do not match with number of bits specified (for each level). ...
... if expand-port-field-bits is attempted with portbits less than or equal to the existing portsize. if number of hierarchy levels do not match with number of bits specified (for each level). ...
related work
... nodes. About 90% of the nodes are covered with 10 gateways, but there are a few nodes which are difficult to reach: the histogram in Figure 6 shows these last ten percent of nodes are within the range of three or fewer neighboring nodes. As with optimal gateway choice, multi-hop routing improves con ...
... nodes. About 90% of the nodes are covered with 10 gateways, but there are a few nodes which are difficult to reach: the histogram in Figure 6 shows these last ten percent of nodes are within the range of three or fewer neighboring nodes. As with optimal gateway choice, multi-hop routing improves con ...
Enhancing Routing Techniques to Trace Efficient Transfer
... granularity can lead to loops that do not occur in the single-link modification problem. Technique is used as it computes sequences of weight to be configured on the links of the updated node by using Greedy backword algorithm. In [3], this paper present a comprehensive survey of improving convergen ...
... granularity can lead to loops that do not occur in the single-link modification problem. Technique is used as it computes sequences of weight to be configured on the links of the updated node by using Greedy backword algorithm. In [3], this paper present a comprehensive survey of improving convergen ...