- IEEE Mentor
... Calculating call duration: Combining the data records from the devices with RADIUS session information and converting sysUpTime entries to time of day and date of month, related to the user's time zone. Charging: Assigning nonmonetary cost metrics to the accounting data based on call duration, trans ...
... Calculating call duration: Combining the data records from the devices with RADIUS session information and converting sysUpTime entries to time of day and date of month, related to the user's time zone. Charging: Assigning nonmonetary cost metrics to the accounting data based on call duration, trans ...
Slide 1
... • The first stream goes to the local PC or PLC of the industry and the second stream goes to the DTU (Data Terminal Unit which is the GPRS Device) for transmission to SPCB Server over GPRS link. • In case of analog signal from analyzer, the Dual Channel Isolator acts as Y Cable allowing the signal t ...
... • The first stream goes to the local PC or PLC of the industry and the second stream goes to the DTU (Data Terminal Unit which is the GPRS Device) for transmission to SPCB Server over GPRS link. • In case of analog signal from analyzer, the Dual Channel Isolator acts as Y Cable allowing the signal t ...
Slide 1
... systems interconnection protocol (ISO-OSI) The ISO-OSI model defines how software on different system communicates at different layers. The model has seven layers, each having its own well-defined function. Layer 1: physical layer: define the mechanism for communicating with the transmission media a ...
... systems interconnection protocol (ISO-OSI) The ISO-OSI model defines how software on different system communicates at different layers. The model has seven layers, each having its own well-defined function. Layer 1: physical layer: define the mechanism for communicating with the transmission media a ...
The OSI Model - Barry University, Miami Shores, Florida
... • Flow Control. If the rate at which the data are absorbed by the receiver is less than the rate produced in the sender, the data link layer imposes a flow control mechanism to prevent overwhelming the receiver. • Error control. The data link layer adds reliability to the physical layer by adding ...
... • Flow Control. If the rate at which the data are absorbed by the receiver is less than the rate produced in the sender, the data link layer imposes a flow control mechanism to prevent overwhelming the receiver. • Error control. The data link layer adds reliability to the physical layer by adding ...
csp_07-08_net
... Layer 3 - network layer. Performs network routing, flow control, segmentation/desegmentation, and error control functions. The protocol that operates on this level is called Internet Protocol, or IP. – This is the layer at which router operates – makes Internet possible ...
... Layer 3 - network layer. Performs network routing, flow control, segmentation/desegmentation, and error control functions. The protocol that operates on this level is called Internet Protocol, or IP. – This is the layer at which router operates – makes Internet possible ...
VKM03,SR01 Rev. E
... Recommend installation using an independent Gigabit LAN; do not link with existing LAN to avoid a lot of video data transmission slow down your network system. When using multiple transmitters and receivers via a Gigabit network switch, identically configure dip switches on the local and remote unit ...
... Recommend installation using an independent Gigabit LAN; do not link with existing LAN to avoid a lot of video data transmission slow down your network system. When using multiple transmitters and receivers via a Gigabit network switch, identically configure dip switches on the local and remote unit ...
slides - TNC15
... • It was a peer network of communicating equals not a hierarchical network connecting a mainframe master with terminal slaves. • The approach required coordinating distributed shared state at different scopes, which were treated as black boxes. This lead to the concept of layers being adopted from o ...
... • It was a peer network of communicating equals not a hierarchical network connecting a mainframe master with terminal slaves. • The approach required coordinating distributed shared state at different scopes, which were treated as black boxes. This lead to the concept of layers being adopted from o ...
2-1 ATM MPLS
... Store-and-forward transmission Multiple packets may arrive at once Need buffer space for temporary storage Multiplexing on a link ...
... Store-and-forward transmission Multiple packets may arrive at once Need buffer space for temporary storage Multiplexing on a link ...
File - all.about.gold
... Most digital messages are vastly longer than just a few bits. Because it is neither practical nor economic to transfer all bits of a long message simultaneously, the message is broken into smaller parts and transmitted sequentially. Bit-serial transmission conveys a message one bit at a time through ...
... Most digital messages are vastly longer than just a few bits. Because it is neither practical nor economic to transfer all bits of a long message simultaneously, the message is broken into smaller parts and transmitted sequentially. Bit-serial transmission conveys a message one bit at a time through ...
PPT
... seldom used on low bit error link (fiber, some twisted pair) wireless links: high error rates • Q: why both link-level and end-end reliability? CPSC 441: Link Layer ...
... seldom used on low bit error link (fiber, some twisted pair) wireless links: high error rates • Q: why both link-level and end-end reliability? CPSC 441: Link Layer ...
Chapter 4. Signals
... Data Communications • Data – Information presented in whatever form is agreed upon by the parties creating and using the data ...
... Data Communications • Data – Information presented in whatever form is agreed upon by the parties creating and using the data ...
Network Layer and IP
... separate (Class C) network ID for each link. And then every other router in the Internet had to know about every network ID in every organization, which led to large address tables. Small organizations wanted Class B in case they grew to more than 255 hosts. But there were only about 16,000 Class B ...
... separate (Class C) network ID for each link. And then every other router in the Internet had to know about every network ID in every organization, which led to large address tables. Small organizations wanted Class B in case they grew to more than 255 hosts. But there were only about 16,000 Class B ...
Lectures 26&27 - Electrical and Computer Engineering
... duplicated, or delivered out of the order in which they were sent • We need to deal with the possibility that some PDU’s may require expedited delivery • We need to manage congestion when more PDU’s are being sent than the network can accommodate Copyright 1999, S.D. Personick. All Rights Reserved. ...
... duplicated, or delivered out of the order in which they were sent • We need to deal with the possibility that some PDU’s may require expedited delivery • We need to manage congestion when more PDU’s are being sent than the network can accommodate Copyright 1999, S.D. Personick. All Rights Reserved. ...
PPT - Networked Systems Laboratory
... • Initiated by the base station (PC) • Same mechanism as hop-by-hop NACK ...
... • Initiated by the base station (PC) • Same mechanism as hop-by-hop NACK ...
Link Layer: CPSC 441
... seldom used on low bit error link (fiber, some twisted pair) wireless links: high error rates • Q: why both link-level and end-end reliability? CPSC 441: Link Layer ...
... seldom used on low bit error link (fiber, some twisted pair) wireless links: high error rates • Q: why both link-level and end-end reliability? CPSC 441: Link Layer ...
Network layer
... attached to the end of the block by the sender. • The receiver performs a similar calculation and compares the 16-bit value to see if it is the same. If they are not the same, it indicates an error in the transmission. • This is a highly reliable scheme with almost 100% error detection capability. S ...
... attached to the end of the block by the sender. • The receiver performs a similar calculation and compares the 16-bit value to see if it is the same. If they are not the same, it indicates an error in the transmission. • This is a highly reliable scheme with almost 100% error detection capability. S ...
ch1_INTRO_0708
... relationship between complex system’s possible layered reference model modularization eases maintenance and updating of system change of implementation of layer’s service is transparent to rest of system e.g., change in postal service implementation doesn’t affect rest of system (as long as ...
... relationship between complex system’s possible layered reference model modularization eases maintenance and updating of system change of implementation of layer’s service is transparent to rest of system e.g., change in postal service implementation doesn’t affect rest of system (as long as ...
L09_TCP_IP - Interactive Computing Lab
... segments may be: lost delivered out of order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...
... segments may be: lost delivered out of order to app connectionless: no handshaking between UDP sender, receiver each UDP segment handled independently of others ...