Security
... – No process is listening on the target port on the target system. Portqry.exe received an Internet Control Message Protocol (ICMP) "Destination Unreachable - Port Unreachable" message back from the target UDP port. Or if the target port is a TCP port, Portqry received a TCP acknowledgement packet w ...
... – No process is listening on the target port on the target system. Portqry.exe received an Internet Control Message Protocol (ICMP) "Destination Unreachable - Port Unreachable" message back from the target UDP port. Or if the target port is a TCP port, Portqry received a TCP acknowledgement packet w ...
O A RIGINAL RTICLES
... Topology change occurs frequently with every move of the mobile node and hence route may also get changed. It leads to network partitions and most of the times some packets get lost. The data packets are routed through intermediate nodes. Ad-hoc network has such essential functions like packet forwa ...
... Topology change occurs frequently with every move of the mobile node and hence route may also get changed. It leads to network partitions and most of the times some packets get lost. The data packets are routed through intermediate nodes. Ad-hoc network has such essential functions like packet forwa ...
Threats in the Digital World
... More concerned with causing harm than information gathering Denial of Service, and outright destruction. ...
... More concerned with causing harm than information gathering Denial of Service, and outright destruction. ...
Bruk Assefa Yirdaw Tuning a Campus Network
... departments in a single building or a set of buildings. The word campus network derives from networks built on university campuses. Nowadays, the term is used more commonly to embrace networks that cover businesses or campuses, consisting of buildings, portions of a building, or a collection of coll ...
... departments in a single building or a set of buildings. The word campus network derives from networks built on university campuses. Nowadays, the term is used more commonly to embrace networks that cover businesses or campuses, consisting of buildings, portions of a building, or a collection of coll ...
Lab 9.2.4 IP Addressing Basics
... protocol in the world. The Internet or World Wide Web only uses IP addressing. In order for a host to access the Internet, it must have an IP address. In its basic form, the IP address has two parts: ...
... protocol in the world. The Internet or World Wide Web only uses IP addressing. In order for a host to access the Internet, it must have an IP address. In its basic form, the IP address has two parts: ...
Lecture 27 - University of Wisconsin
... if adapter receives frame with matching destination address, or with broadcast address (eg ARP packet), it passes data in frame to network layer protocol otherwise, adapter discards frame Type: indicates higher layer protocol (mostly IP ...
... if adapter receives frame with matching destination address, or with broadcast address (eg ARP packet), it passes data in frame to network layer protocol otherwise, adapter discards frame Type: indicates higher layer protocol (mostly IP ...
Networks - Dr. Ramesh R. Manza
... Describe issues related to any type of network using OSI model State what is a protocol Describe the TCP/IP protocol Describe the client-server concept with respect to Internet State the features of http . State the need for client side scripts Identify the reasons for popularity of java as a client ...
... Describe issues related to any type of network using OSI model State what is a protocol Describe the TCP/IP protocol Describe the client-server concept with respect to Internet State the features of http . State the need for client side scripts Identify the reasons for popularity of java as a client ...
Analysis of current and potential sensor network technologies and
... In a centralized topology network (Toumpis and Toumpakaris 2006), such as the cellular network of mobile communication systems, a large number of users of mobile terminals (e.g. mobile phones) are wirelessly connected through an extensive infrastructure of base stations linked through hi ...
... In a centralized topology network (Toumpis and Toumpakaris 2006), such as the cellular network of mobile communication systems, a large number of users of mobile terminals (e.g. mobile phones) are wirelessly connected through an extensive infrastructure of base stations linked through hi ...
Basic Switch Concept
... • The core layer of the hierarchical design is the highspeed backbone of the internetwork. • The core layer is critical for interconnectivity between distribution layer devices, so it is important for the core to be highly available and redundant. • The core area can also connect to Internet resourc ...
... • The core layer of the hierarchical design is the highspeed backbone of the internetwork. • The core layer is critical for interconnectivity between distribution layer devices, so it is important for the core to be highly available and redundant. • The core area can also connect to Internet resourc ...
Networking in Linux
... A computer network is defined as a number of systems that are connected to each other and exchange information across the network connection. The system network is configured by setting the IP address which is assigned by the system administrator. The IP address provides base services for transmitti ...
... A computer network is defined as a number of systems that are connected to each other and exchange information across the network connection. The system network is configured by setting the IP address which is assigned by the system administrator. The IP address provides base services for transmitti ...
Wireless Sensor Networks for Habitat Monitoring
... The lowest level consists of the sensor nodes that perform general purpose computing and networking in addition to application-specific sensing. The sensor nodes may be deployed in dense patches that are widely separated. The sensor nodes transmit their data through the sensor network to the senso ...
... The lowest level consists of the sensor nodes that perform general purpose computing and networking in addition to application-specific sensing. The sensor nodes may be deployed in dense patches that are widely separated. The sensor nodes transmit their data through the sensor network to the senso ...
FRF.6 - Broadband Forum
... The Frame Relay Forum and the Internet Engineering Task Force have jointly developed a standard SNMP Management Information Base (MIB) for Frame Relay CNM, RFC 1604, “Definitions of Managed Objects for Frame Relay Service” [1], which is attached as Annex B. By using this MIB, a customer's network ma ...
... The Frame Relay Forum and the Internet Engineering Task Force have jointly developed a standard SNMP Management Information Base (MIB) for Frame Relay CNM, RFC 1604, “Definitions of Managed Objects for Frame Relay Service” [1], which is attached as Annex B. By using this MIB, a customer's network ma ...
Optical Network Infrastructure for GRID
... o Typical optical packet lengths vary from 50 bytes-15,000 or 30,000 bytes which clearly imposes a requirement for nsec switching technology Most of the work to date assumes wavelength routing [14] mainly because equipment such optical cross-connects (OXCs) are currently available. However, there i ...
... o Typical optical packet lengths vary from 50 bytes-15,000 or 30,000 bytes which clearly imposes a requirement for nsec switching technology Most of the work to date assumes wavelength routing [14] mainly because equipment such optical cross-connects (OXCs) are currently available. However, there i ...
Identifying Performance Bottlenecks in CDNs through TCP-Level Monitoring
... receive buffer, or a long round-trip time (RTT). This also makes it difficult to diagnose congestion by correlating performance across connections [13], because many connections are limited by other factors. Network-layer packet traces [17, 18] are useful for measuring packet loss and inferring TCP ...
... receive buffer, or a long round-trip time (RTT). This also makes it difficult to diagnose congestion by correlating performance across connections [13], because many connections are limited by other factors. Network-layer packet traces [17, 18] are useful for measuring packet loss and inferring TCP ...
Power Point Slides for Chap. 5
... – Examine all nodes connected to A (adjacent) relabeling them with distance to A – Also label adjacent nodes to a with the tag A so that we can construct a final path later. (In this case B, G are labeled with distance and A) – Examine tentatively labeled nodes & make the one with the smallest label ...
... – Examine all nodes connected to A (adjacent) relabeling them with distance to A – Also label adjacent nodes to a with the tag A so that we can construct a final path later. (In this case B, G are labeled with distance and A) – Examine tentatively labeled nodes & make the one with the smallest label ...
Ethernet Switch
... several local area networks (LANs) without a router. By partitioning a large LAN into multiple smaller networks, there are fewer collisions, and more parallel communications. It is now common for the port of an Ethernet switch to connect to just one (or a small number of) hosts. ...
... several local area networks (LANs) without a router. By partitioning a large LAN into multiple smaller networks, there are fewer collisions, and more parallel communications. It is now common for the port of an Ethernet switch to connect to just one (or a small number of) hosts. ...
Y-Comm: A new architecture for heterogeneous networking
... Mobility Management for 4G Networks and its Application to ThinClient Computing, ACM SIGMOBILE Mobile Computing and Communications Review, ACM July 2006 ...
... Mobility Management for 4G Networks and its Application to ThinClient Computing, ACM SIGMOBILE Mobile Computing and Communications Review, ACM July 2006 ...
Peering Planning Cooperation without Revealing Confidential
... • Peering/transit links are some of the most expensive and difficult to provision links • We can improve capacity planning on such links by modeling the network • BGP modeling can be much more complex than IGP modeling – Some required information is not even available ...
... • Peering/transit links are some of the most expensive and difficult to provision links • We can improve capacity planning on such links by modeling the network • BGP modeling can be much more complex than IGP modeling – Some required information is not even available ...
AJ33201205
... The MANETs work without a centralized administration where the nodes communicate with each other on the basis of mutual trust. This characteristic makes MANETs more vulnerable to be exploited by an attacker inside the network. Wireless links also makes the MANETs more susceptible to attacks, which m ...
... The MANETs work without a centralized administration where the nodes communicate with each other on the basis of mutual trust. This characteristic makes MANETs more vulnerable to be exploited by an attacker inside the network. Wireless links also makes the MANETs more susceptible to attacks, which m ...
Maximum query latency Network traffic per query
... a packet contains router field and journey field, initializes to its IP address and one • Other nodes will set its next-insider to router contained in the packet • If journey value equals to the radius of certain ri : 1) modifies router field to its IP 2) marks itself the boundary node of Ri ...
... a packet contains router field and journey field, initializes to its IP address and one • Other nodes will set its next-insider to router contained in the packet • If journey value equals to the radius of certain ri : 1) modifies router field to its IP 2) marks itself the boundary node of Ri ...
LAN Interconnections
... •Can interconnect two or more workstations •Like bridge, it observes traffic flow and learns ...
... •Can interconnect two or more workstations •Like bridge, it observes traffic flow and learns ...
slides ppt
... • Let xr be the mean bandwidth of flow r [pkts/sec] Let y be the total bandwidth of all flows [pkts/sec] Let C be the total available capacity [pkts/sec] • TCP and the network act so as to solve maximise r U(xr) - P(y,C) ...
... • Let xr be the mean bandwidth of flow r [pkts/sec] Let y be the total bandwidth of all flows [pkts/sec] Let C be the total available capacity [pkts/sec] • TCP and the network act so as to solve maximise r U(xr) - P(y,C) ...
14-InternetRouting - Rose
... • forwarding table configured by both intraand inter-AS routing algorithm – intra-AS sets entries for ...
... • forwarding table configured by both intraand inter-AS routing algorithm – intra-AS sets entries for ...