class18 - eecis.udel.edu
... Multiple same-cost paths allowed (only one path in RIP) For each link, multiple cost metrics for different TOS (e.g., satellite link cost set “low” for best effort; high for real time) Integrated uni- and multicast support: Multicast OSPF (MOSPF) uses same topology data base as OSPF Hierarchical O ...
... Multiple same-cost paths allowed (only one path in RIP) For each link, multiple cost metrics for different TOS (e.g., satellite link cost set “low” for best effort; high for real time) Integrated uni- and multicast support: Multicast OSPF (MOSPF) uses same topology data base as OSPF Hierarchical O ...
Routing Information Protocol
... direction (shortest path) to nets in other areas. ❒ Area border routers: “summarize” distances to nets in own area, advertise to other Area Border routers. ❒ Backbone routers: run OSPF routing limited to ...
... direction (shortest path) to nets in other areas. ❒ Area border routers: “summarize” distances to nets in own area, advertise to other Area Border routers. ❒ Backbone routers: run OSPF routing limited to ...
Efficiency through Eavesdropping: Link-layer Packet Caching
... RTS-id adds 32 bits of overhead to the small RTS packets. On links in which RTS-id does not provide benefit, this cost may loom large, because 802.11 transmits RTS/CTS packets at the lowest possible rate, 1 Mbps, while the data may be sent at higher rates. Moreover, for networks that would not otherw ...
... RTS-id adds 32 bits of overhead to the small RTS packets. On links in which RTS-id does not provide benefit, this cost may loom large, because 802.11 transmits RTS/CTS packets at the lowest possible rate, 1 Mbps, while the data may be sent at higher rates. Moreover, for networks that would not otherw ...
Building neural network based systems
... This method implies that each categorical value is handled as a separate input. For example, marital status, which can be either single, divorced, married or widowed, would be represented by four inputs. Each of these inputs can have a value of either 0 or 1. Thus, a married person would be represen ...
... This method implies that each categorical value is handled as a separate input. For example, marital status, which can be either single, divorced, married or widowed, would be represented by four inputs. Each of these inputs can have a value of either 0 or 1. Thus, a married person would be represen ...
Securing Data using Pre-filtering and Traceback Method
... Regular expressions (RegEx) have been widely used in a variety of network and security applications. A Prefiltering Approach to Regular Expression Matching monitoring of network traffic based on application protocols. The RegEx matching problem can be defined as follows: given a set R of RegExes, at ...
... Regular expressions (RegEx) have been widely used in a variety of network and security applications. A Prefiltering Approach to Regular Expression Matching monitoring of network traffic based on application protocols. The RegEx matching problem can be defined as follows: given a set R of RegExes, at ...
Figure 2-4
... • In an internet with hosts separated by N networks, there will be: – 2 hosts – One packet (going all the way between hosts) – One route (between the two hosts) – N frames (one in each network) – N-1 routers (change frames between each pair of networks) – There usually are many switches within singl ...
... • In an internet with hosts separated by N networks, there will be: – 2 hosts – One packet (going all the way between hosts) – One route (between the two hosts) – N frames (one in each network) – N-1 routers (change frames between each pair of networks) – There usually are many switches within singl ...
Document
... datagram, sets this field to an initial value. Then, as datagram travels through the Internet, router by router, each router decrements this value by 1. If this value becomes 0 before the datagram reaches its final destination, the datagram is discarded. This prevent the datagram from going back and ...
... datagram, sets this field to an initial value. Then, as datagram travels through the Internet, router by router, each router decrements this value by 1. If this value becomes 0 before the datagram reaches its final destination, the datagram is discarded. This prevent the datagram from going back and ...
Tomorrow’s In-Car Interconnect? A Competitive Evaluation of IEEE 802.1 AVB
... IEEE 802.1Qat to ensure that AVB frames will have the required resources on the entire path between source and sink, where at most 75% of the total bandwidth can be reserved. The remaining ressources are used for best effort traffic. In an additional cross-layered design, AVB specifies application f ...
... IEEE 802.1Qat to ensure that AVB frames will have the required resources on the entire path between source and sink, where at most 75% of the total bandwidth can be reserved. The remaining ressources are used for best effort traffic. In an additional cross-layered design, AVB specifies application f ...
DiCAP - An Architecture for Distributed Packet Capturing
... Build a distributed architecture for IP traffic capturing that – Avoids a single point of failure – Avoids dedicated hardware – Based on off-the-shelve, inexpensive PCs – Allows the increase of packets that can be captured ...
... Build a distributed architecture for IP traffic capturing that – Avoids a single point of failure – Avoids dedicated hardware – Based on off-the-shelve, inexpensive PCs – Allows the increase of packets that can be captured ...
The Basics of HOME NETWORKS
... Wired Equivalent Privacy (WEP) is a protocol used for encrypting packets on a wireless network. It uses a 64-bit (or 256bit, depending on the vendor) shared key algorithm. Using WEP will increase the protection on your data, but doing so will reduce the effective data rates. Truly secure? Nope! www. ...
... Wired Equivalent Privacy (WEP) is a protocol used for encrypting packets on a wireless network. It uses a 64-bit (or 256bit, depending on the vendor) shared key algorithm. Using WEP will increase the protection on your data, but doing so will reduce the effective data rates. Truly secure? Nope! www. ...
Chapter Five
... Token Ring networks currently run at either 4 or 16 Mbps, as specified by IEEE 802.5 Token Ring networks use the token-passing routine and a star-ring hybrid physical topology FDDI is a networking standard originally specified by ANSI in mid-1980s and later refined by ISO ATM relies on a fixed packe ...
... Token Ring networks currently run at either 4 or 16 Mbps, as specified by IEEE 802.5 Token Ring networks use the token-passing routine and a star-ring hybrid physical topology FDDI is a networking standard originally specified by ANSI in mid-1980s and later refined by ISO ATM relies on a fixed packe ...
What is H.323?
... using cascaded MCUs for the H.323 audio/video to be acceptable to an end-user For the packet loss values above the aforementioned values, the call was terminated sometimes, showing that the H.323 protocol failed to maintain the session ...
... using cascaded MCUs for the H.323 audio/video to be acceptable to an end-user For the packet loss values above the aforementioned values, the call was terminated sometimes, showing that the H.323 protocol failed to maintain the session ...
Campus Network Best Practices: Core and Edge Networks
... • Routers provide more isolation between devices (they stop broadcasts) • Routing is more complicated, but also more sophisticated and can make more efficient use of the network, particularly if there are redundancy elements such as loops ...
... • Routers provide more isolation between devices (they stop broadcasts) • Routing is more complicated, but also more sophisticated and can make more efficient use of the network, particularly if there are redundancy elements such as loops ...
Communication Networks - University of California, Berkeley
... different links Ex: Arrival rate at 1: 1 = A (1 – b2) + B Pr(blocked at 1): b1 = (N1) M/M/1/N1 ...
... different links Ex: Arrival rate at 1: 1 = A (1 – b2) + B Pr(blocked at 1): b1 = (N1) M/M/1/N1 ...
Discovering Computers 2008
... information travel in a communications system. Bandwidth: the amount of data, instructions, and information that can travel over a communications ...
... information travel in a communications system. Bandwidth: the amount of data, instructions, and information that can travel over a communications ...
Lecture19 - The University of Texas at Dallas
... Network cloud of switches Customers share resources in the cloud The cloud is assumed to be reliable Customers are charged only for bandwidth used ...
... Network cloud of switches Customers share resources in the cloud The cloud is assumed to be reliable Customers are charged only for bandwidth used ...
Manus 1 - IFM - Linköping University
... there are shortcomings in the analysis of missing links as well as how to represent a structure given a single sample. How connected measured networks are, is highly varying, for example depending on the context they are sampled in, sampling method used and the time window for the sampling period. U ...
... there are shortcomings in the analysis of missing links as well as how to represent a structure given a single sample. How connected measured networks are, is highly varying, for example depending on the context they are sampled in, sampling method used and the time window for the sampling period. U ...
M. Mirhakkak
... mentioned with the intserv approach is scalability, since per flow state and processing is required at each node to support end-to-end QoS per flow. A primary benefit of diffserv is scaling, since it eliminates per flow state and processing. However, intserv provides an end-to-end QoS solution, whic ...
... mentioned with the intserv approach is scalability, since per flow state and processing is required at each node to support end-to-end QoS per flow. A primary benefit of diffserv is scaling, since it eliminates per flow state and processing. However, intserv provides an end-to-end QoS solution, whic ...
D - OpenFlow
... • does not take into account the conservative nature of network operation • can IP networks really handle dynamic links? • Do transport network service providers really want to give up control to an automated control plane? ...
... • does not take into account the conservative nature of network operation • can IP networks really handle dynamic links? • Do transport network service providers really want to give up control to an automated control plane? ...
Informal Quiz 7 (contd) - ECSE - Rensselaer Polytechnic Institute
... relatively lower buffer access speeds compared to input queuing. To extract a 64kbps line from a T3 line, it has to be first demuxed into component T1 lines The use of pointers in SONET overcomes jitter issues for higher speed transport and higher levels of multiplexing. The path overhea ...
... relatively lower buffer access speeds compared to input queuing. To extract a 64kbps line from a T3 line, it has to be first demuxed into component T1 lines The use of pointers in SONET overcomes jitter issues for higher speed transport and higher levels of multiplexing. The path overhea ...
Networking Fundadmentals • What is Computer Network? A
... The physical Bus Network Topology is the simplest and most widely used of the network designs. It consists of one continuous length of cable (trunk) that is shared by all the nodes in the network and a terminating resistor (terminator) at each end that absorbs the signal when it reaches the end of l ...
... The physical Bus Network Topology is the simplest and most widely used of the network designs. It consists of one continuous length of cable (trunk) that is shared by all the nodes in the network and a terminating resistor (terminator) at each end that absorbs the signal when it reaches the end of l ...
distributed DBMS
... – May avoid complicated distributed transaction integrity routines (if replicated data is refreshed at scheduled intervals) – Decouples nodes (transactions proceed even if some nodes are down) – Reduced network traffic at prime time (if updates can be delayed) ...
... – May avoid complicated distributed transaction integrity routines (if replicated data is refreshed at scheduled intervals) – Decouples nodes (transactions proceed even if some nodes are down) – Reduced network traffic at prime time (if updates can be delayed) ...
PPT - Suraj @ LUMS
... subscriber stations (SS) with radio base stations (BS) Offers an alternative to cabled access networks – fiber optic links, coaxial cables using cable modems, DSL links Supports nomadic and mobile clients on the go (IEEE 802.16 e, 2004) ...
... subscriber stations (SS) with radio base stations (BS) Offers an alternative to cabled access networks – fiber optic links, coaxial cables using cable modems, DSL links Supports nomadic and mobile clients on the go (IEEE 802.16 e, 2004) ...