Switching Techniques
... sender and the receiver in an unbroken path. • Telephone switching equipment, for example, establishes a path that connects the caller's telephone to the receiver's telephone by making a physical connection. • With this type of switching technique, once a connection is established, a dedicated path ...
... sender and the receiver in an unbroken path. • Telephone switching equipment, for example, establishes a path that connects the caller's telephone to the receiver's telephone by making a physical connection. • With this type of switching technique, once a connection is established, a dedicated path ...
Lecture 1
... happened if a single link fails?) 2.Coordination/Congestion resolution mechanisms are needed. ...
... happened if a single link fails?) 2.Coordination/Congestion resolution mechanisms are needed. ...
Week One Agenda - Computing Sciences
... the end stations will communicate with each other and with users. The bottom four layers define how data is transmitted end-to-end. Application provides a user interface Presentation presents data and handles encryption Session keeps different applications data separate. Transport provides reliable ...
... the end stations will communicate with each other and with users. The bottom four layers define how data is transmitted end-to-end. Application provides a user interface Presentation presents data and handles encryption Session keeps different applications data separate. Transport provides reliable ...
Document
... – at a time t = 0, the packet buffer can admit b packets immediately » packets then start to be transmitted at rate R » buffer occupancy then decreases at a rate of R - r – since the delay a packet experiences is defined by the buffer occupancy ahead of it, the maximum delay a packet can suffer is b ...
... – at a time t = 0, the packet buffer can admit b packets immediately » packets then start to be transmitted at rate R » buffer occupancy then decreases at a rate of R - r – since the delay a packet experiences is defined by the buffer occupancy ahead of it, the maximum delay a packet can suffer is b ...
Communication - Princeton University
... Separate Entry Per 24-bit Prefix • If router had an entry per 24-bit prefix – Look only at the top 24 bits of destination addr – Index into table to determine next-hop interface ...
... Separate Entry Per 24-bit Prefix • If router had an entry per 24-bit prefix – Look only at the top 24 bits of destination addr – Index into table to determine next-hop interface ...
Computer Networks
... o Support for various distance metrics o Dynamic algorithm o Support for routing based on type of service o Do load balancing over multiple lines o Support for hierarchical systems o Security to prevent false updates o Support for routers connected through tunnel OSPF supports as connections and n ...
... o Support for various distance metrics o Dynamic algorithm o Support for routing based on type of service o Do load balancing over multiple lines o Support for hierarchical systems o Security to prevent false updates o Support for routers connected through tunnel OSPF supports as connections and n ...
Semester 2 Chapter 12 - Institute of Technology Sligo
... The show ip interfaces command displays the status and global parameters associated with an interface. The Cisco IOS software automatically enters a directly-connected route in the routing table if the interface is one through which software can send and receive packets. Such an interface is marked ...
... The show ip interfaces command displays the status and global parameters associated with an interface. The Cisco IOS software automatically enters a directly-connected route in the routing table if the interface is one through which software can send and receive packets. Such an interface is marked ...
EE 122: Computer Networks
... • If it’s remote, look up first hop in (very small) local routing table – E.g., by default, route via 1.2.3.19 – Now do the local case but for 1.2.3.19 rather than ultimate destination IP address ...
... • If it’s remote, look up first hop in (very small) local routing table – E.g., by default, route via 1.2.3.19 – Now do the local case but for 1.2.3.19 rather than ultimate destination IP address ...
Lecture11
... the same administrative ownership Differentiate between edge and core routers Edge routers - Perform per aggregate shaping or policing - Mark packets with a small number of bits; each bit encoding represents a class (subclass) ...
... the same administrative ownership Differentiate between edge and core routers Edge routers - Perform per aggregate shaping or policing - Mark packets with a small number of bits; each bit encoding represents a class (subclass) ...
Internetworking
... Protocols at this level transmit data in a network representation that is independent of the representations used in individual computers, which may differ. Encryption is also performed in this layer, if required. At this level reliability and adaptation are performed, such as detection of failures ...
... Protocols at this level transmit data in a network representation that is independent of the representations used in individual computers, which may differ. Encryption is also performed in this layer, if required. At this level reliability and adaptation are performed, such as detection of failures ...
Node Localization in Sensor Networks
... • Care about reaching the nodes rather than a particular address – what can be sensed by a node can most probably be sensed by neighboring nodes • Interested in routing by attributes – data centric o Node’s location o Node’s type of sensors o Range of values in the sensed data ...
... • Care about reaching the nodes rather than a particular address – what can be sensed by a node can most probably be sensed by neighboring nodes • Interested in routing by attributes – data centric o Node’s location o Node’s type of sensors o Range of values in the sensed data ...
Switching Techniques: Circuit Switching Message Switching packet
... When there are many devices, it is necessary to develop suitable mechanism for communication between any two devices. One alternative is to establish point-to-point communication between each pair of devices using mesh topology. However, mesh topology is impractical for large number of devices, beca ...
... When there are many devices, it is necessary to develop suitable mechanism for communication between any two devices. One alternative is to establish point-to-point communication between each pair of devices using mesh topology. However, mesh topology is impractical for large number of devices, beca ...
Ad-Hoc Networks - PDOS-MIT
... • Geographic forwarding is less fragile than source routing. • DSR queries use too much b/w with > 300 nodes. ...
... • Geographic forwarding is less fragile than source routing. • DSR queries use too much b/w with > 300 nodes. ...
SIMILARITIES TCP/IP and OSI
... to communicate), middle layer (the decision about HOW the idea will be communicated), bottom layer(the creation of sound to communicate). The same concept of layers can be used to explain how networks distribute information from source to destination. Packets move from source to destination through ...
... to communicate), middle layer (the decision about HOW the idea will be communicated), bottom layer(the creation of sound to communicate). The same concept of layers can be used to explain how networks distribute information from source to destination. Packets move from source to destination through ...
Lecture 12 - Personal Web Pages - University of North Carolina at
... – Puts in forwarding table entry (x,I) Set forwarding table for 1d ...
... – Puts in forwarding table entry (x,I) Set forwarding table for 1d ...
Switching Techniques: Circuit Switching
... When there are many devices, it is necessary to develop suitable mechanism for communication between any two devices. One alternative is to establish point-to-point communication between each pair of devices using mesh topology. However, mesh topology is impractical for large number of devices, beca ...
... When there are many devices, it is necessary to develop suitable mechanism for communication between any two devices. One alternative is to establish point-to-point communication between each pair of devices using mesh topology. However, mesh topology is impractical for large number of devices, beca ...
694-4-13-2000
... to a virtual channel must be delivered in their original order. – Original primary rate: 155.52 Mbps. Additional rate: 622.08 Mbps ...
... to a virtual channel must be delivered in their original order. – Original primary rate: 155.52 Mbps. Additional rate: 622.08 Mbps ...
IP Based VPNs
... What Is a VPN? “A VPN is a communications environment in which access is controlled to permit peer connections only within a defined community of interest, and is constructed through some form of partitioning of a common underlying communications medium, where this underlying communications medium ...
... What Is a VPN? “A VPN is a communications environment in which access is controlled to permit peer connections only within a defined community of interest, and is constructed through some form of partitioning of a common underlying communications medium, where this underlying communications medium ...
a destination IP address
... The figure shown is an example of a layer 3 network. The components that make up the layer 3 network are shown. The source host computer has an installed network interface card (NIC), an assigned IP address and subnet mask. The subnet mask is used to determine if the data is to stay in the LAN or i ...
... The figure shown is an example of a layer 3 network. The components that make up the layer 3 network are shown. The source host computer has an installed network interface card (NIC), an assigned IP address and subnet mask. The subnet mask is used to determine if the data is to stay in the LAN or i ...
Network Support for IP Traceback - David Wetherall
... packets on some egress port and determine which ingress port they arrived on. This capability is used to implement a trace as follows. First, the victim must recognize that it is being attacked and develop an attack signature that describes a common feature contained in all the attack packets. The v ...
... packets on some egress port and determine which ingress port they arrived on. This capability is used to implement a trace as follows. First, the victim must recognize that it is being attacked and develop an attack signature that describes a common feature contained in all the attack packets. The v ...
3rd Edition: Chapter 4
... Flow Label: identify datagrams in same “flow.” (concept of“flow” not well defined). Next header: identify upper layer protocol for data ...
... Flow Label: identify datagrams in same “flow.” (concept of“flow” not well defined). Next header: identify upper layer protocol for data ...
frame-relay map
... used to identify a specific interface to the Frame Relay network. Global addressing makes the Frame Relay network resemble a local-area network (LAN) in terms of addressing; Simple flow control (optional) -- Provides for an XON/XOFF flow control mechanism that applies to the entire Frame Relay inter ...
... used to identify a specific interface to the Frame Relay network. Global addressing makes the Frame Relay network resemble a local-area network (LAN) in terms of addressing; Simple flow control (optional) -- Provides for an XON/XOFF flow control mechanism that applies to the entire Frame Relay inter ...
Chapter 1 Fundamentals
... Flow control: synchronize sender and receiver (hop-byhop or end-to-end) Congestion control: synchronize a set of senders and the ...
... Flow control: synchronize sender and receiver (hop-byhop or end-to-end) Congestion control: synchronize a set of senders and the ...
