Presentation Slides - Electrical and Computer Engineering
... Results Average Back-off With a small number of sensors that are effectively off most of the time, the probability of a channel being free is greater than 99 %. Therefore, for the relatively small number of sensors used in the WBAN networks explored here, it would be more economical to keep the CSM ...
... Results Average Back-off With a small number of sensors that are effectively off most of the time, the probability of a channel being free is greater than 99 %. Therefore, for the relatively small number of sensors used in the WBAN networks explored here, it would be more economical to keep the CSM ...
Chapter 17 - Networking Essentials
... • Most large internetworks, such as the Internet, have multiple paths for getting from one network to another • Routers work at the Internetwork layer and it is their job to select the best path to the destination – Routers use the network identifier portion of IP addresses along with their routing ...
... • Most large internetworks, such as the Internet, have multiple paths for getting from one network to another • Routers work at the Internetwork layer and it is their job to select the best path to the destination – Routers use the network identifier portion of IP addresses along with their routing ...
ISM 3410 Telecomm and Networking in Business
... Layer 4: Transport control layer • Layer 4: Transport control layer – selects the route (if more than one is availble) the transmission will take between two devices – converts user addressing that is meaningful to network software and hardware – controls the flow of messages so that it will not ov ...
... Layer 4: Transport control layer • Layer 4: Transport control layer – selects the route (if more than one is availble) the transmission will take between two devices – converts user addressing that is meaningful to network software and hardware – controls the flow of messages so that it will not ov ...
Higher Computing Computer Networking Topic 1 Network Protocols
... IP Internet Protocol •Adds a header to each packet (or datagram) for routing using sender and recipient IP •IP does not always know the final destination of a packet – only the IP address of the next router along the line •Packets may take different routes and take different lengths of time to be d ...
... IP Internet Protocol •Adds a header to each packet (or datagram) for routing using sender and recipient IP •IP does not always know the final destination of a packet – only the IP address of the next router along the line •Packets may take different routes and take different lengths of time to be d ...
Computer Network Unit-V
... networks can deliver, sends packets to and accepts packets from the network layer, manages flow control, and—because it is meant to provide error-free data transmission—handles retransmission of dropped or garbled packets as well as acknowledgement of all packets that arrive. ...
... networks can deliver, sends packets to and accepts packets from the network layer, manages flow control, and—because it is meant to provide error-free data transmission—handles retransmission of dropped or garbled packets as well as acknowledgement of all packets that arrive. ...
SIMILARITIES TCP/IP and OSI
... Bandwidth or “channel capacity” = amount of digital information that can be pushed through a channel or number of bits a line can transmit per second Broadband: channel with a high bandwidth (highway) Narrowband: channel with low bandwidth (country road) Characteristics of Bandwidth: bandwidth is fi ...
... Bandwidth or “channel capacity” = amount of digital information that can be pushed through a channel or number of bits a line can transmit per second Broadband: channel with a high bandwidth (highway) Narrowband: channel with low bandwidth (country road) Characteristics of Bandwidth: bandwidth is fi ...
Lecture02
... Goal: integrated, end-end transport of voice, video, data virtual-circuit packet-switching (fixed length packets, called cells, with 5-byte header and 48byte payload) meeting timing/QoS requirements of voice, video ...
... Goal: integrated, end-end transport of voice, video, data virtual-circuit packet-switching (fixed length packets, called cells, with 5-byte header and 48byte payload) meeting timing/QoS requirements of voice, video ...
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
... Carried in OSPF messages directly over IP (rather than TCP or UDP ...
... Carried in OSPF messages directly over IP (rather than TCP or UDP ...
Overview of TCP/IP reference model
... 3. The applications can read and write to the transport layer. 4. Transport layer adds header information to the data. 5. Transport layer breaks the message (data) into small units so that they are handled more efficiently by the network layer. 6. Transport layer also arrange the packets to be sent, ...
... 3. The applications can read and write to the transport layer. 4. Transport layer adds header information to the data. 5. Transport layer breaks the message (data) into small units so that they are handled more efficiently by the network layer. 6. Transport layer also arrange the packets to be sent, ...
CISSP – Chapter 7 - Paladin Group, LLC
... Layer 2 Data Link – data link goes hand in hand with physical layer. The data link level actually defines the format of how data frames* will be sent over the physical medium, so that two network cards of the same network type will actually be able to communicate. These frames are sent to the physi ...
... Layer 2 Data Link – data link goes hand in hand with physical layer. The data link level actually defines the format of how data frames* will be sent over the physical medium, so that two network cards of the same network type will actually be able to communicate. These frames are sent to the physi ...
Spanning-Tree Direct VS Indirect Link Failures
... Router rD is the master of VRID 2. Router rF is the master of VRID 5. Router rE is the backup for both of these VRIDs. If rD or rF fails, rE will become the master for that VRID. In fact, both rD and rF could fail at the same time; the fact that a VRRP router is a master for one VRID does not preclu ...
... Router rD is the master of VRID 2. Router rF is the master of VRID 5. Router rE is the backup for both of these VRIDs. If rD or rF fails, rE will become the master for that VRID. In fact, both rD and rF could fail at the same time; the fact that a VRRP router is a master for one VRID does not preclu ...
Wireless Fundamentals 3
... wireless LAN and WAN in the locality of the PAN and establish a connection with any other device that is similarly connected, whether wired or wireless. If there are a variety of networks available then the gateway will be capable of determining the ideal network for the data transfer requirements o ...
... wireless LAN and WAN in the locality of the PAN and establish a connection with any other device that is similarly connected, whether wired or wireless. If there are a variety of networks available then the gateway will be capable of determining the ideal network for the data transfer requirements o ...
OSI Model - Pioneer Student
... dynamic. The Network Layer provides sequencing and flow control of data, selects routes, and provides quality of service through error detection, recovery, and notification. It also segments collision and broadcast domains. This is where a MAC or hardware address is translated into Internet Protocol ...
... dynamic. The Network Layer provides sequencing and flow control of data, selects routes, and provides quality of service through error detection, recovery, and notification. It also segments collision and broadcast domains. This is where a MAC or hardware address is translated into Internet Protocol ...
CSE 422 Computer Networks - Computer Science and Engineering
... • Some disadvantages: low bandwidth (1-2 Mbps), high error rates, & frequent disconnections • Wireless networks communicate via modulating radio waves or pulsing infrared light • Wireless communication; linked to wired network infrastructure by transceivers ...
... • Some disadvantages: low bandwidth (1-2 Mbps), high error rates, & frequent disconnections • Wireless networks communicate via modulating radio waves or pulsing infrared light • Wireless communication; linked to wired network infrastructure by transceivers ...
CCNA 1 Module 10 Routing Fundamentals and Subnets
... As a frame is received at a router interface. The MAC address is checked to see if the frame is directly addressed to the router interface, or a broadcast. The frame header and trailer are removed and the packet is passed up to Layer 3. The destination IP address is compared to the routing table to ...
... As a frame is received at a router interface. The MAC address is checked to see if the frame is directly addressed to the router interface, or a broadcast. The frame header and trailer are removed and the packet is passed up to Layer 3. The destination IP address is compared to the routing table to ...
VLANS and Other Hardware
... advantage is in the modularity of intelligent switches (might add an ATM, Fiber module). • These switches often can support several hundred ports spread over a dozen or more different modules. ...
... advantage is in the modularity of intelligent switches (might add an ATM, Fiber module). • These switches often can support several hundred ports spread over a dozen or more different modules. ...
IEEE 802.11 based WLANs
... • The access point (AP) can also act as a repeater for wireless nodes, effectively doubling the maximum possible distance between nodes. ...
... • The access point (AP) can also act as a repeater for wireless nodes, effectively doubling the maximum possible distance between nodes. ...
VLANS Presentation
... advantage is in the modularity of intelligent switches (might add an ATM, Fiber module). • These switches often can support several hundred ports spread over a dozen or more different modules. ...
... advantage is in the modularity of intelligent switches (might add an ATM, Fiber module). • These switches often can support several hundred ports spread over a dozen or more different modules. ...
Architecture & Implementation
... – Multiple access schemes: when the link is shared by several nodes there is a need for addressing and controlling the access (this entity is called MAC sublayer) – Error detection and retransmission (LLC sublayer) ...
... – Multiple access schemes: when the link is shared by several nodes there is a need for addressing and controlling the access (this entity is called MAC sublayer) – Error detection and retransmission (LLC sublayer) ...
Document
... • forward frame to physical layer Destination: • checks frames for integrity • reconstruct packet from frame(s) Media Access Control (MAC) addresses ...
... • forward frame to physical layer Destination: • checks frames for integrity • reconstruct packet from frame(s) Media Access Control (MAC) addresses ...
Network Technology Supporting an Intelligent Society
... network” to mean a network in which multiple communication devices interconnect without making connections via base stations or access points. Ad hoc networks are attractive because they can be used to construct an autonomous and distributed network without the need for detailed network design. One ...
... network” to mean a network in which multiple communication devices interconnect without making connections via base stations or access points. Ad hoc networks are attractive because they can be used to construct an autonomous and distributed network without the need for detailed network design. One ...