ppt
... • Large end-to-end round-trip time variation • Recall TCP RTO estimation. What does this do? FEC used in some networks (e.g., 802.11a) • But does not work well with burst losses ...
... • Large end-to-end round-trip time variation • Recall TCP RTO estimation. What does this do? FEC used in some networks (e.g., 802.11a) • But does not work well with burst losses ...
3rd Edition, Chapter 5 - Ursinus College Student, Faculty and Staff
... 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? ...
... 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? ...
Chapter 6: Wireless and Mobile Networks
... interference from other sources: standardized wireless network frequencies (e.g., 2.4 GHz) shared by other devices (e.g., phone); devices (motors) interfere as well multipath propagation: radio signal reflects off objects ground, arriving at destination at slightly different times Multiple wir ...
... interference from other sources: standardized wireless network frequencies (e.g., 2.4 GHz) shared by other devices (e.g., phone); devices (motors) interfere as well multipath propagation: radio signal reflects off objects ground, arriving at destination at slightly different times Multiple wir ...
Networking - dbmanagement.info
... • If intermediate node receives RR for destination and has entry for destination in route cache, it responds to RR and does not propagate RR further ...
... • If intermediate node receives RR for destination and has entry for destination in route cache, it responds to RR and does not propagate RR further ...
Standardization areas for securing Ad hoc networks
... determine the parts that were lost during the transmission because every part is sent twice. That means that receiver can compare by very simple XOR combinations if all received part are the same on reception links or not. For retransmission, a message is broadcasted by the receiver towards the send ...
... determine the parts that were lost during the transmission because every part is sent twice. That means that receiver can compare by very simple XOR combinations if all received part are the same on reception links or not. For retransmission, a message is broadcasted by the receiver towards the send ...
Remote+Monitoring+and+DMI
... Protocol Analysers as Monitors Protocol analysers can support viewing of each packet that passes on a network. In a network using routing or switches, monitors will only see the traffic on their part of the network. Thus, the devices cannot cover whole network. ...
... Protocol Analysers as Monitors Protocol analysers can support viewing of each packet that passes on a network. In a network using routing or switches, monitors will only see the traffic on their part of the network. Thus, the devices cannot cover whole network. ...
Online Service Management Algorithm for Cellular/WLAN
... guarantees under widely different traffic scenarios On-line decisions based on real time estimates - mutually dependent each other - adaptable and quite flexible to traffic changes Strike the appropriate balanced network performance - among contradictory QoS requirements while other existing schemes ...
... guarantees under widely different traffic scenarios On-line decisions based on real time estimates - mutually dependent each other - adaptable and quite flexible to traffic changes Strike the appropriate balanced network performance - among contradictory QoS requirements while other existing schemes ...
Exploration CCNA4 - East Mississippi Community College
... When intermittent, low-volume data transfers are needed, modems and analog dialed telephone lines provide low capacity and dedicated switched connections. –Traditional telephony uses a copper cable, called the local loop, to connect the telephone handset to the CO. –Traditional local loops can tra ...
... When intermittent, low-volume data transfers are needed, modems and analog dialed telephone lines provide low capacity and dedicated switched connections. –Traditional telephony uses a copper cable, called the local loop, to connect the telephone handset to the CO. –Traditional local loops can tra ...
Class notes - Center For Information Management, Integration and
... • How packets are forwarded (store and forward technique) • Delivers packets from sending computer to receiving computer (host-to-host) • Defines how information from the transport layer is sent over networks and how different hosts are addressed • Example of a network layer protocol: the Internet P ...
... • How packets are forwarded (store and forward technique) • Delivers packets from sending computer to receiving computer (host-to-host) • Defines how information from the transport layer is sent over networks and how different hosts are addressed • Example of a network layer protocol: the Internet P ...
NetworkConcepts
... Applications of Small Office/Home Office (SOHO) Networking A SOHO network is a small office/home office local area network. A local area network (LAN) is a collection of computers and other networked devices that fit within the scope of a single physical network. LAN covers a small local area, like ...
... Applications of Small Office/Home Office (SOHO) Networking A SOHO network is a small office/home office local area network. A local area network (LAN) is a collection of computers and other networked devices that fit within the scope of a single physical network. LAN covers a small local area, like ...
Network layer
... Connecting LANs to each other through a WAN (think of enterprise networks for multinationals). The WAN acts as a subnet. Connecting WANs to each other (the Internet). ...
... Connecting LANs to each other through a WAN (think of enterprise networks for multinationals). The WAN acts as a subnet. Connecting WANs to each other (the Internet). ...
Document
... define and demonstrate a single-layer network platform for end-toend optical connections between a large number of terminals for business and residential customers. A first demonstrator to test the optical physical layer of a "switchless" network was realized by integrating wavelength-agile transmit ...
... define and demonstrate a single-layer network platform for end-toend optical connections between a large number of terminals for business and residential customers. A first demonstrator to test the optical physical layer of a "switchless" network was realized by integrating wavelength-agile transmit ...
A study on Intelligent Optical Networks
... Currently used optical rings are not topologically flexible and not scalable. Wavelength router-switches are more flexible and can subsume both point-to-point and ring add-drop functionalities. Trend to switch from ring to mesh or multi-ring topologies, allowing for more flexibility and better resou ...
... Currently used optical rings are not topologically flexible and not scalable. Wavelength router-switches are more flexible and can subsume both point-to-point and ring add-drop functionalities. Trend to switch from ring to mesh or multi-ring topologies, allowing for more flexibility and better resou ...
Welcome to the Cloud
... Basically, Kahn and Cerf created a second layer of networking on top of single networks. This required the creation of a parallel set of concepts for single networks and internets. Single networks and internets use similar concepts but give these concepts different names. It is important for you to ...
... Basically, Kahn and Cerf created a second layer of networking on top of single networks. This required the creation of a parallel set of concepts for single networks and internets. Single networks and internets use similar concepts but give these concepts different names. It is important for you to ...
IP tutorial – #1 - Network Computing Lab
... Sequencing of packets (like TCP) Error detection in payload (TCP, UDP or other transport layers) Error reporting (ICMP) Setting up route tables (RIP, OSPF, BGP etc) Connection setup (it is connectionless) Address/Name resolution (ARP, RARP, DNS) ...
... Sequencing of packets (like TCP) Error detection in payload (TCP, UDP or other transport layers) Error reporting (ICMP) Setting up route tables (RIP, OSPF, BGP etc) Connection setup (it is connectionless) Address/Name resolution (ARP, RARP, DNS) ...
ppt
... deployed for – Server running game server next 10 years Some have 2 – Client with wireless and wired network (multi-homed) – Router with multiple connections ...
... deployed for – Server running game server next 10 years Some have 2 – Client with wireless and wired network (multi-homed) – Router with multiple connections ...
BK22370373
... nodes of the input layer receive the respective total numbers of packets for the second source in the same order as the first layer, and so forth. If only three sources have communicated with the target machine, then the architecture would contain three sets of M nodes in the input layer. Once the n ...
... nodes of the input layer receive the respective total numbers of packets for the second source in the same order as the first layer, and so forth. If only three sources have communicated with the target machine, then the architecture would contain three sets of M nodes in the input layer. Once the n ...
Mobile Health Communication Infrastructure
... Is end-to-end (BAN-to-Internet host) security needed? What level? Depends on user requirements (WP1)! Security can be added to most communication layers! Different security features depending on layer: • Link layer: Bluetooth, GPRS/UMTS, ... • Network layer: IPsec, ... • Transport layer: SSL/TLS, HT ...
... Is end-to-end (BAN-to-Internet host) security needed? What level? Depends on user requirements (WP1)! Security can be added to most communication layers! Different security features depending on layer: • Link layer: Bluetooth, GPRS/UMTS, ... • Network layer: IPsec, ... • Transport layer: SSL/TLS, HT ...
Chapter 2 Protocols and TCP/IP
... Need For Protocol Architecture • E.g. File transfer —Source must activate comms. Path or inform network of destination —Source must check destination is prepared to receive —File transfer application on source must check destination file management system will accept and store file for his user —Ma ...
... Need For Protocol Architecture • E.g. File transfer —Source must activate comms. Path or inform network of destination —Source must check destination is prepared to receive —File transfer application on source must check destination file management system will accept and store file for his user —Ma ...
