ROBUSTNESS AGAINST LARGE-SCALE FAILURES IN COMMUNICATIONS NETWORKS Juan SEGOVIA SILVERO Dipòsit legal: GI-251-2012
... are not effective when large-scale multiple failures arise, that is, when a significant portion of the network fails simultaneously. Large-scale failures usually have serious consequences in terms of the economic loss they cause and the disruption they bring upon thousands or even millions of users. ...
... are not effective when large-scale multiple failures arise, that is, when a significant portion of the network fails simultaneously. Large-scale failures usually have serious consequences in terms of the economic loss they cause and the disruption they bring upon thousands or even millions of users. ...
network
... Exponential growth of the Internet! – 32-bit address fields are getting too small. – Early predictions: it’d take decades to achieve 100,000 network mark. – 100,000th. network was connected in 1996! – Internet is rapidly running out of IP addresses! – Waste due to hierarchical address. ...
... Exponential growth of the Internet! – 32-bit address fields are getting too small. – Early predictions: it’d take decades to achieve 100,000 network mark. – 100,000th. network was connected in 1996! – Internet is rapidly running out of IP addresses! – Waste due to hierarchical address. ...
Ethernet in Automation
... Communication in the subsystems of automation equipment providers is handled in most cases with the use of master-slave communication. The bus master performs network channel arbitration and thus avoids collisions. Some systems employ dedicated IC‘s in order to address the MAC-layer. Die option to u ...
... Communication in the subsystems of automation equipment providers is handled in most cases with the use of master-slave communication. The bus master performs network channel arbitration and thus avoids collisions. Some systems employ dedicated IC‘s in order to address the MAC-layer. Die option to u ...
Chapter 7 Power Point Show
... Novell IPX is a proprietary suite of protocols and include the following: Datagram, connectionless protocol that does not require an acknowledgment for each packet. Layer 3 protocol that defines the internetwork and internode addresses. Novell NetWare uses: Routing Information Protocol (RIP) to faci ...
... Novell IPX is a proprietary suite of protocols and include the following: Datagram, connectionless protocol that does not require an acknowledgment for each packet. Layer 3 protocol that defines the internetwork and internode addresses. Novell NetWare uses: Routing Information Protocol (RIP) to faci ...
ch19
... b. The last address can be found by ORing the given addresses with the complement of the mask. ORing here is done bit by bit. The result of ORing 2 bits is 0 if both bits are 0s; the result is 1 otherwise. The complement of a number is found by changing each 1 to 0 and each 0 to 1. ...
... b. The last address can be found by ORing the given addresses with the complement of the mask. ORing here is done bit by bit. The result of ORing 2 bits is 0 if both bits are 0s; the result is 1 otherwise. The complement of a number is found by changing each 1 to 0 and each 0 to 1. ...
A Music Generation System Inspired by Complex Systems Theory
... There are several aspects to the core: the relationship between the architecture and the functions, the rules, and the relationship between the architecture and the rules. We now discuss each of these in turn. Relationship between Architecture and Functions NetWorks consists of 64 nodes linked toget ...
... There are several aspects to the core: the relationship between the architecture and the functions, the rules, and the relationship between the architecture and the rules. We now discuss each of these in turn. Relationship between Architecture and Functions NetWorks consists of 64 nodes linked toget ...
Compressed Color Histograms for Image Retrieval
... Real-time over SAN - Future works Real-time services • Normal data exchange • Synchronization of software processes • Real-time debugging • Clock synchronization • Group communication (many-tomany etc) • etc ...
... Real-time over SAN - Future works Real-time services • Normal data exchange • Synchronization of software processes • Real-time debugging • Clock synchronization • Group communication (many-tomany etc) • etc ...
Low Complexity Stable Link Scheduling for Maximizing Throughput
... control overhead O(k) that achieves k/(k +2) efficiency ratio. Our results: Our main contributions are as follows. It is known that pick and compare scheme provides 100% throughput guarantee if we can pick an optimum scheduling with at least a constant probability, but it may have a very large time ...
... control overhead O(k) that achieves k/(k +2) efficiency ratio. Our results: Our main contributions are as follows. It is known that pick and compare scheme provides 100% throughput guarantee if we can pick an optimum scheduling with at least a constant probability, but it may have a very large time ...
The Network Layer
... Distributing the Link State Packets The trickiest part of the algorithm is distributing the link state packets reliably. As the packets are distributed and installed, the routers getting the first ones will change their routes. Consequently, the different routers may be using different versions of ...
... Distributing the Link State Packets The trickiest part of the algorithm is distributing the link state packets reliably. As the packets are distributed and installed, the routers getting the first ones will change their routes. Consequently, the different routers may be using different versions of ...
Introduction to Computer Networks
... • Routers do not need to have knowledge of the entire path to a dest. • Direction in which route or exit interface a packet should be forwarded • Distance from its destination (distance can be cost, or real geographical distance) ...
... • Routers do not need to have knowledge of the entire path to a dest. • Direction in which route or exit interface a packet should be forwarded • Distance from its destination (distance can be cost, or real geographical distance) ...
Layer 3 IP Packet
... Used to connect routers to external networks, usually over a larger geographical distance. The Layer 2 encapsulation can be different types including: PPP Frame Relay HDLC (High-Level Data Link Control). Similar to LAN interfaces, each WAN interface has its own IP address and subnet mask ...
... Used to connect routers to external networks, usually over a larger geographical distance. The Layer 2 encapsulation can be different types including: PPP Frame Relay HDLC (High-Level Data Link Control). Similar to LAN interfaces, each WAN interface has its own IP address and subnet mask ...
Routing Requirements: – Correctness – Simplicity - PolyU
... one in the table, the router should replace the entry in the table with the new one. • ii. If the advertised hop count is not smaller, the router should do nothing. ...
... one in the table, the router should replace the entry in the table with the new one. • ii. If the advertised hop count is not smaller, the router should do nothing. ...
Talk to 2004 PhD Students.
... Distribute file location and decentralize lookup. Idea: multicast the request Hot to find a file: - Send request to all neighbors - Neighbors recursively multicast the request - Eventually a machine that has the file receives the request, and it sends back the answer ...
... Distribute file location and decentralize lookup. Idea: multicast the request Hot to find a file: - Send request to all neighbors - Neighbors recursively multicast the request - Eventually a machine that has the file receives the request, and it sends back the answer ...
paper
... on the time for a packet to be delivered to any neighboring node (the receive delay bound ), and on the total amount of time for a sender to receive an acknowledgment of successful delivery to all neighbors (the acknowledgment delay bound ). It also provides a bound on the amount of time for a recei ...
... on the time for a packet to be delivered to any neighboring node (the receive delay bound ), and on the total amount of time for a sender to receive an acknowledgment of successful delivery to all neighbors (the acknowledgment delay bound ). It also provides a bound on the amount of time for a recei ...
Explain how the TCP/IP protocols correlate to layers of
... Developed by Department of Defense ARPANET (1960s) Internet precursor Popularity Low cost Communicates between dissimilar platforms Open nature Routable Spans more than one LAN (LAN segment) Flexible Runs on combinations of network operating systems or network media Disadvantage: require ...
... Developed by Department of Defense ARPANET (1960s) Internet precursor Popularity Low cost Communicates between dissimilar platforms Open nature Routable Spans more than one LAN (LAN segment) Flexible Runs on combinations of network operating systems or network media Disadvantage: require ...
Live migration of processes maintaining multiple
... – Massively Multi-player Online Games (MMPOG) – Networked Virtual Environments (NVE) – Distributed Simulations such as the High-Level Architecture (HLA) ...
... – Massively Multi-player Online Games (MMPOG) – Networked Virtual Environments (NVE) – Distributed Simulations such as the High-Level Architecture (HLA) ...
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 ...
Detecting Wireless LAN MAC Address Spoofing Joshua Wright
... Without the ability to control the firmware functionality of wireless cards, and without the source code to develop custom firmware, an attacker does not have the ability to alter the value of the sequence control field in the 802.11 header. By analyzing sequence number patterns, we can identify tra ...
... Without the ability to control the firmware functionality of wireless cards, and without the source code to develop custom firmware, an attacker does not have the ability to alter the value of the sequence control field in the 802.11 header. By analyzing sequence number patterns, we can identify tra ...
Beware of the Hidden! How Cross-traffic Affects
... enables low latency streaming services and guaranteed data transmission in switched Ethernet networks. The real-time Ethernet extension originates from the multimedia domain where synchronization, jitter and latency constraints of the applications are high. Ethernet AVB guarantees latencies under 2 ...
... enables low latency streaming services and guaranteed data transmission in switched Ethernet networks. The real-time Ethernet extension originates from the multimedia domain where synchronization, jitter and latency constraints of the applications are high. Ethernet AVB guarantees latencies under 2 ...
