Slide 1
... Data communication networks are set up in two basic configurations. The mesh configuration uses direct, point-topoint connections between each pair of communicating devices. While this approach guarantees a direct connection between any pair of devices, the amount of cabling and I/O hardware require ...
... Data communication networks are set up in two basic configurations. The mesh configuration uses direct, point-topoint connections between each pair of communicating devices. While this approach guarantees a direct connection between any pair of devices, the amount of cabling and I/O hardware require ...
Modernizing the Industrial Ethernet Network with
... Despite these benefits, the factory of the future may seem like a daunting and expensive path to take for many of today’s industrial facilities, which are constrained with hefty investments in legacy equipment, implemented the same way they were decades ago at a time when proprietary communications ...
... Despite these benefits, the factory of the future may seem like a daunting and expensive path to take for many of today’s industrial facilities, which are constrained with hefty investments in legacy equipment, implemented the same way they were decades ago at a time when proprietary communications ...
Internetworking
... 01001001 (the decimal value 33 in the upper byte and 73 in the lower byte) might be given the IP address ...
... 01001001 (the decimal value 33 in the upper byte and 73 in the lower byte) might be given the IP address ...
The California Institute for Telecommunications and
... – Each Trunk can be a single/multiple port to port connection between same set of switches – Schema supports retaining VLAN id when modifying trunks and vice-versa. LOGICAL TOPOLOGY (Single VLAN) GRAPH ...
... – Each Trunk can be a single/multiple port to port connection between same set of switches – Schema supports retaining VLAN id when modifying trunks and vice-versa. LOGICAL TOPOLOGY (Single VLAN) GRAPH ...
IP addressing
... NATed client establishes connection to relay External client connects to relay relay bridges packets between connections ...
... NATed client establishes connection to relay External client connects to relay relay bridges packets between connections ...
Lec2
... • To connect the switch to a larger network, you can insert one end of a crossover patch cable into the switch’s uplink port, then insert the other end of the cable into a data port on the other connectivity device. Alternately, you can insert one end of a straight-through cable into one of the swit ...
... • To connect the switch to a larger network, you can insert one end of a crossover patch cable into the switch’s uplink port, then insert the other end of the cable into a data port on the other connectivity device. Alternately, you can insert one end of a straight-through cable into one of the swit ...
Lecture5
... • All stations receive the token at the same time only the identified station acts on it, however. • Stations are numbered and the token is passed in numerical order. ...
... • All stations receive the token at the same time only the identified station acts on it, however. • Stations are numbered and the token is passed in numerical order. ...
document
... nearby networks • Called CIDR: Classless Inter-Domain Routing • Represent blocks with a single pair ...
... nearby networks • Called CIDR: Classless Inter-Domain Routing • Represent blocks with a single pair ...
B43011014
... applications. Nodes that lie within each others send range can communicate directly and are responsible for dynamically discovering each other. In order to enable communication between nodes that are not directly within each others range, intermediate nodes act as routers that relay packets generate ...
... applications. Nodes that lie within each others send range can communicate directly and are responsible for dynamically discovering each other. In order to enable communication between nodes that are not directly within each others range, intermediate nodes act as routers that relay packets generate ...
Core network components - Charles Sturt University
... Link-state updates sent (using flooding) as and when required. A router broadcasts routing information to all other routers in the AS, not just to its neighboring routers. Every router locally runs Dijkstra’s algorithm to determine a shortest-path tree to all subnets. Authenticated updates: al ...
... Link-state updates sent (using flooding) as and when required. A router broadcasts routing information to all other routers in the AS, not just to its neighboring routers. Every router locally runs Dijkstra’s algorithm to determine a shortest-path tree to all subnets. Authenticated updates: al ...
Network Layer
... ◦ Also, the ability to interconnect any of the above networking technologies As switches may be connected to hosts, or other switches ...
... ◦ Also, the ability to interconnect any of the above networking technologies As switches may be connected to hosts, or other switches ...
ppt
... “Taking Turns” MAC protocols channel partitioning MAC protocols: share channel efficiently and fairly at high load inefficient at low load: delay in channel access, 1/N bandwidth allocated even if only 1 active node! Random access MAC protocols efficient at low load: single node can fully uti ...
... “Taking Turns” MAC protocols channel partitioning MAC protocols: share channel efficiently and fairly at high load inefficient at low load: delay in channel access, 1/N bandwidth allocated even if only 1 active node! Random access MAC protocols efficient at low load: single node can fully uti ...
Backgrounder
... world’s network connection shipments, according to International Data Corporation (IDC) research. A May 1999 study from the Business Communications Research (BCR) showed that 75 percent of respondents plan on installing switched Fast Ethernet as their standard desktop LAN within three years. Users w ...
... world’s network connection shipments, according to International Data Corporation (IDC) research. A May 1999 study from the Business Communications Research (BCR) showed that 75 percent of respondents plan on installing switched Fast Ethernet as their standard desktop LAN within three years. Users w ...
UNIX SVR4 SYSTEM
... service requests from computers on a TCP/IP network. • When a connection request arrives, inted spawns the server process and passes the network connection to it. ...
... service requests from computers on a TCP/IP network. • When a connection request arrives, inted spawns the server process and passes the network connection to it. ...
Routing
... • Forwarding vs Routing – forwarding: to select an output port based on destination address and routing table – routing: process by which routing table is built ...
... • Forwarding vs Routing – forwarding: to select an output port based on destination address and routing table – routing: process by which routing table is built ...
Ten top problems network techs encounter
... four pairs of cable, so anything lower than Category 5 will not work for Gig. In older buildings this must be taken into consideration. In addition, any amount of untwisting of the cable (often near the RJ-45 termination or patch panel) can cause signal loss. This will result in FCS Errors on the sw ...
... four pairs of cable, so anything lower than Category 5 will not work for Gig. In older buildings this must be taken into consideration. In addition, any amount of untwisting of the cable (often near the RJ-45 termination or patch panel) can cause signal loss. This will result in FCS Errors on the sw ...
Slide 1
... What has happened to IPv4 addresses? In 1981, IPv4 Protocol was published. In 1985, about 1/16 of the total IPv4 address space was in use. By mid2001, about 2/3 of the total IPv4 address space was in use. Since 2001, Internet service providers have been trying to conserve IP addresses. They have ass ...
... What has happened to IPv4 addresses? In 1981, IPv4 Protocol was published. In 1985, about 1/16 of the total IPv4 address space was in use. By mid2001, about 2/3 of the total IPv4 address space was in use. Since 2001, Internet service providers have been trying to conserve IP addresses. They have ass ...
Document
... One-to-Many: Wastes IP addresses, only done when necessary for security Many-to-One: One real address is used by many fake addresses ...
... One-to-Many: Wastes IP addresses, only done when necessary for security Many-to-One: One real address is used by many fake addresses ...
Switching
... – Ports have different bandwidths – More bandwidth dedicated to server switchports and to uplink ports to prevent bottlenecks – Requires memory buffering to match the different data rates ...
... – Ports have different bandwidths – More bandwidth dedicated to server switchports and to uplink ports to prevent bottlenecks – Requires memory buffering to match the different data rates ...
Chapter 6
... • PING is one of the most useful network tools available because it tests the most basic function of an IP network • Traceroute was originally developed for the Unix operating system but is used for many operating systems and most routers • It is used to track the path a packet takes to get to its d ...
... • PING is one of the most useful network tools available because it tests the most basic function of an IP network • Traceroute was originally developed for the Unix operating system but is used for many operating systems and most routers • It is used to track the path a packet takes to get to its d ...
Distributed Systems Architecture Presentation II
... multiple locations in a computer network. Accordingly, the processing workload is distributed across the network. – Set of separate computers that are capable of autonomous operation, link by a computer network. – Enable individual computers (different location) to share resources in the network – S ...
... multiple locations in a computer network. Accordingly, the processing workload is distributed across the network. – Set of separate computers that are capable of autonomous operation, link by a computer network. – Enable individual computers (different location) to share resources in the network – S ...
Emulex OCe11102-FX Dual Port 10Gb CNA
... FCoE offload The OCe11102-F adapter supports FCoE offload using the same field-proven Emulex drivers that work with Emulex LightPulse® Fibre Channel Host Bus Adapters (HBAs). iSCSI offload The OCe11102-F supports iSCSI offload, providing performance that is superior to iSCSI solutions based on softw ...
... FCoE offload The OCe11102-F adapter supports FCoE offload using the same field-proven Emulex drivers that work with Emulex LightPulse® Fibre Channel Host Bus Adapters (HBAs). iSCSI offload The OCe11102-F supports iSCSI offload, providing performance that is superior to iSCSI solutions based on softw ...
18: VPN, IPV6, NAT, MobileIP
... PAYLOAD LENGTH: like IPv4’s datagram length, but doesn’t include the header length like IPv4 NEXT HEADER: indicates the type of the next object in the datagram either type of extension header or type of data HOP LIMIT: like IPv4’s Time To Live field but named correctly ...
... PAYLOAD LENGTH: like IPv4’s datagram length, but doesn’t include the header length like IPv4 NEXT HEADER: indicates the type of the next object in the datagram either type of extension header or type of data HOP LIMIT: like IPv4’s Time To Live field but named correctly ...
3 Internet Applications and Network Programming
... Client Server Model of Interation How can a pair of applications that run on two different computers coordinate? One application known as the server starts first and awaits contact from any computer. The other application known as the client starts second and initiate the connection. Must kno ...
... Client Server Model of Interation How can a pair of applications that run on two different computers coordinate? One application known as the server starts first and awaits contact from any computer. The other application known as the client starts second and initiate the connection. Must kno ...
Top-Down Network Design
... • Specifies which part of an IP address is the network/subnet field and which part is the host field – The network/subnet portion of the mask is all 1s in binary. – The host portion of the mask is all 0s in binary. – Convert the binary expression back to dotted-decimal notation for entering into con ...
... • Specifies which part of an IP address is the network/subnet field and which part is the host field – The network/subnet portion of the mask is all 1s in binary. – The host portion of the mask is all 0s in binary. – Convert the binary expression back to dotted-decimal notation for entering into con ...