1-Introduction :
... Unlike the other PDUs that have been discussed in this course, the Data Link layer frame includes: • Data - The packet from the Network layer • Header - Contains control information, such addressing, and is located at the beginning of the PDU • Trailer - Contains control information added to the end ...
... Unlike the other PDUs that have been discussed in this course, the Data Link layer frame includes: • Data - The packet from the Network layer • Header - Contains control information, such addressing, and is located at the beginning of the PDU • Trailer - Contains control information added to the end ...
Powerpoint - Chapter 1
... Protocols provide services to other protocols operating above and below them. A LAN uses a common network medium to connect computers in a relatively small area. A WAN uses an external network provider to connect LANs. Broadband networks carry multiple signals at once, while baseband networks carry ...
... Protocols provide services to other protocols operating above and below them. A LAN uses a common network medium to connect computers in a relatively small area. A WAN uses an external network provider to connect LANs. Broadband networks carry multiple signals at once, while baseband networks carry ...
Communication Protocols
... and also to test a standard protocols and to project new ones. on the successful completion of the course student is supposed to realize the conformance tests. ...
... and also to test a standard protocols and to project new ones. on the successful completion of the course student is supposed to realize the conformance tests. ...
researchtalk2004
... Really low power is only available on really simple processors such as PIC and AVR, with < 1KB RAM, small programs Need a really simple protocol: only send data (not IP) only send to nearest base station hop-by-hop, not end-to-end reliability short packets, very low overhead ...
... Really low power is only available on really simple processors such as PIC and AVR, with < 1KB RAM, small programs Need a really simple protocol: only send data (not IP) only send to nearest base station hop-by-hop, not end-to-end reliability short packets, very low overhead ...
2003 - Msjc
... Data is passed from one node to the next until it reaches its destination Also known as a ring logical topology ...
... Data is passed from one node to the next until it reaches its destination Also known as a ring logical topology ...
part_5b_LONworks - University of Florida
... • Group – may use multiple channels – Node may be in up to 15 groups, <64 nodes/group – Domain may have up to 255 groups ...
... • Group – may use multiple channels – Node may be in up to 15 groups, <64 nodes/group – Domain may have up to 255 groups ...
Layered Network
... centrally granted to a single user or groups of users Problems can be tracked, diagnosed, and often fixed from one location ...
... centrally granted to a single user or groups of users Problems can be tracked, diagnosed, and often fixed from one location ...
Networking
... Multi Service Access Platform GPON – Gigabit Passive Optical Network. • Supports multiple services in their native formats • Gigabit Ethernet 2.448 Gbit downstream/1.25 Gbit upstream • Equal, fixed time slots for all endpoints using TDM ...
... Multi Service Access Platform GPON – Gigabit Passive Optical Network. • Supports multiple services in their native formats • Gigabit Ethernet 2.448 Gbit downstream/1.25 Gbit upstream • Equal, fixed time slots for all endpoints using TDM ...
Components of LPW Devices - Renesas e
... LPW – Low Power Wireless. The ISM transmitted power allowed by various countries. MAC – Media Access Control RF – Radio Frequency ...
... LPW – Low Power Wireless. The ISM transmitted power allowed by various countries. MAC – Media Access Control RF – Radio Frequency ...
Network Devices
... the data link layer (layer 2) of the OSI model. • Bridges are similar to repeaters or network hubs, devices that connect network segments at the physical layer • However a bridge works by using bridging where traffic from one network is managed rather than simply rebroadcast to adjacent network segm ...
... the data link layer (layer 2) of the OSI model. • Bridges are similar to repeaters or network hubs, devices that connect network segments at the physical layer • However a bridge works by using bridging where traffic from one network is managed rather than simply rebroadcast to adjacent network segm ...
Chapter 2 Protocols and Architecture
... Research Project Agency (DARPA) for its packet switched network (ARPANET) • Used by the global Internet • No official model but a working one. —Application layer —Host to host or transport layer —Internet layer —Network access layer —Physical layer ...
... Research Project Agency (DARPA) for its packet switched network (ARPANET) • Used by the global Internet • No official model but a working one. —Application layer —Host to host or transport layer —Internet layer —Network access layer —Physical layer ...
Handout
... network address A and physical address 10, located on one LAN, to a node with a network address P and physical address 95, located on another LAN. The two devices are located on different networks, we cannot use physical addresses only; the physical addresses only have local jurisdiction. What we ne ...
... network address A and physical address 10, located on one LAN, to a node with a network address P and physical address 95, located on another LAN. The two devices are located on different networks, we cannot use physical addresses only; the physical addresses only have local jurisdiction. What we ne ...
Industrial Wireless Sensor Networks_ Challenges, Design Principles
... Cross layer optimization (physical, MAC, and routing layers optimization) due to Technical challenges caused by harsh industrial conditions Application specific QoS requirements ...
... Cross layer optimization (physical, MAC, and routing layers optimization) due to Technical challenges caused by harsh industrial conditions Application specific QoS requirements ...
Internet of Things
... The BSS of IoT needs to be customer / family / business focused with emphasis on Average Revenue per Device (ARPD). IoT ARPD or the sum IoT ARPU is considerably lower than traditional mobile ARPU. The cost is also front-loaded into the device rather than the contract. For these reasons the BSS of Io ...
... The BSS of IoT needs to be customer / family / business focused with emphasis on Average Revenue per Device (ARPD). IoT ARPD or the sum IoT ARPU is considerably lower than traditional mobile ARPU. The cost is also front-loaded into the device rather than the contract. For these reasons the BSS of Io ...
投影片 1 - PEARL
... IEEE standard for low cost, low speed, low power wireless communication Targeted at device to device communication Supports multiple frequencies, including the worldwide unlicensed 2.4 GHz band Sixteen 802.15.4 channels Shares spectrum with 802.11 (WiFi) and Bluetooth ...
... IEEE standard for low cost, low speed, low power wireless communication Targeted at device to device communication Supports multiple frequencies, including the worldwide unlicensed 2.4 GHz band Sixteen 802.15.4 channels Shares spectrum with 802.11 (WiFi) and Bluetooth ...
Slides for lecture 26
... – E.g., consider a user connecting to a website from a café (over a wireless network) – End-to-end encryption might be unavailable (e.g., if website does not support encryption) – Eavesdropping on Internet backbone less likely than eavesdropping on wireless link in café – Encrypt link from user to w ...
... – E.g., consider a user connecting to a website from a café (over a wireless network) – End-to-end encryption might be unavailable (e.g., if website does not support encryption) – Eavesdropping on Internet backbone less likely than eavesdropping on wireless link in café – Encrypt link from user to w ...
Chapter03
... Internet Control Message Protocol (ICMP) works at the Network layer and is used by IP for many different services. •ICMP is a management protocol and messaging service provider for IP. •Its messages are carried as IP datagrams. ICMP packets have the following characteristics: • They can provide host ...
... Internet Control Message Protocol (ICMP) works at the Network layer and is used by IP for many different services. •ICMP is a management protocol and messaging service provider for IP. •Its messages are carried as IP datagrams. ICMP packets have the following characteristics: • They can provide host ...
CDI 5400 Flowmeter
... modified display circuit board on which is mounted a radio module manufactured by Digi International. These modules communicate with an Ethernet to wireless gateway, also manufactured by Digi and configured by CDI for use with the network. The gateway contains a radio device called a ZigBee Coordina ...
... modified display circuit board on which is mounted a radio module manufactured by Digi International. These modules communicate with an Ethernet to wireless gateway, also manufactured by Digi and configured by CDI for use with the network. The gateway contains a radio device called a ZigBee Coordina ...