A P2PSIP Demonstrator Powered by OverSim
... well as the testing of the protocol in connection with real applications in networks like PlanetLab. To facilitate these tasks we developed the overlay simulation framework OverSim [1]. It was designed to fulfill a number of requirements that have been partially neglected by existing simulation fram ...
... well as the testing of the protocol in connection with real applications in networks like PlanetLab. To facilitate these tasks we developed the overlay simulation framework OverSim [1]. It was designed to fulfill a number of requirements that have been partially neglected by existing simulation fram ...
1. Foundation
... delivery service to a process-to-process communication channel? • Best-effort service provided by IP: • drops messages • re-orders messages • delivers duplicate copies of a given message • limits messages to some finite size • delivers messages after an arbitrarily long delay ...
... delivery service to a process-to-process communication channel? • Best-effort service provided by IP: • drops messages • re-orders messages • delivers duplicate copies of a given message • limits messages to some finite size • delivers messages after an arbitrarily long delay ...
Nokia Network Services Platform
... serve as triggers for policies that adapt the network NRC-P maintains an enhanced Interior Gateway by re-routing paths or adding more bandwidth to Protocol-Traffic Engineering (IGP-TE) topology and a service connections as necessary. current path database that is synchronized with the By reducing co ...
... serve as triggers for policies that adapt the network NRC-P maintains an enhanced Interior Gateway by re-routing paths or adding more bandwidth to Protocol-Traffic Engineering (IGP-TE) topology and a service connections as necessary. current path database that is synchronized with the By reducing co ...
Receiver
... recall: UDP checksum to detect bit errors the question: how to recover from errors: acknowledgements (ACKs): receiver explicitly tells sender ...
... recall: UDP checksum to detect bit errors the question: how to recover from errors: acknowledgements (ACKs): receiver explicitly tells sender ...
ppt - Worcester Polytechnic Institute
... Nexthops to Acknowledge Receipt of Native Packet – Packets Headed Many Places & Only Link Layer Designated Hop Returns Synchronous ACK – COPE May Guess Node Has Enough Info to Decode When it Really Does Not ...
... Nexthops to Acknowledge Receipt of Native Packet – Packets Headed Many Places & Only Link Layer Designated Hop Returns Synchronous ACK – COPE May Guess Node Has Enough Info to Decode When it Really Does Not ...
Network+ Guide to Networks 6th Edition
... measurements, policies, and regulations in assessing and maintaining a network’s health • Manage a network’s performance using SNMPbased network management software, system and event logs, and traffic-shaping techniques ...
... measurements, policies, and regulations in assessing and maintaining a network’s health • Manage a network’s performance using SNMPbased network management software, system and event logs, and traffic-shaping techniques ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
... telephony, multimedia messaging and emailing possible nowadays. Also netbooks and tablet pcs are becoming more popular than ever. People want to access the internet with their phones and notebooks from everywhere. Services like the Internet Protocol television (IPTV) also highly increased the need f ...
... telephony, multimedia messaging and emailing possible nowadays. Also netbooks and tablet pcs are becoming more popular than ever. People want to access the internet with their phones and notebooks from everywhere. Services like the Internet Protocol television (IPTV) also highly increased the need f ...
Optical Access Networks
... The simplest PON architecture uses a pair of fibres between the CO and each ONU. Physically, the fibres may be deployed in a ring configuration. Instead of a pair, a single fibre with bidirectional transmission may be used, but the same wavelength cannot be used to simultaneously transmit in both di ...
... The simplest PON architecture uses a pair of fibres between the CO and each ONU. Physically, the fibres may be deployed in a ring configuration. Instead of a pair, a single fibre with bidirectional transmission may be used, but the same wavelength cannot be used to simultaneously transmit in both di ...
Systems Programming 8 (Connection
... Ethernet: may lose packets, detects corruption ATM: can lose packets, detects corruption & makes reordering less likely ...
... Ethernet: may lose packets, detects corruption ATM: can lose packets, detects corruption & makes reordering less likely ...
ppt - Dr. Wissam Fawaz
... • The procedure is similar to ATM. • An MPLS-enabled IP router switches IP packets not on a hop-by-hop basis using the packet’s IP address. Rather, it forwards them using a label which identifies the connection that the packet has to follow. Connection-Oriented Networks – Wissam Fawaz ...
... • The procedure is similar to ATM. • An MPLS-enabled IP router switches IP packets not on a hop-by-hop basis using the packet’s IP address. Rather, it forwards them using a label which identifies the connection that the packet has to follow. Connection-Oriented Networks – Wissam Fawaz ...
Enabling the Network to Be More Agile for services
... Packet loss ratio must be lower than 10-6 for video services and lower than 10-2 for voice services. Multimedia services generate 3 to 5 times more traffic than other services. ...
... Packet loss ratio must be lower than 10-6 for video services and lower than 10-2 for voice services. Multimedia services generate 3 to 5 times more traffic than other services. ...
Slides - TERENA Networking Conference 2008
... Consequences Connectivity anywhere, at any time and from any device More and more networked devices supporting people in their daily life Bigger and bigger (users, devices, services…) ...
... Consequences Connectivity anywhere, at any time and from any device More and more networked devices supporting people in their daily life Bigger and bigger (users, devices, services…) ...
HW: Chapter 10
... If you have a network of leased lines, you have options for how many sites you connect. Sites can communicate directly or through intermediate sites. a) In a full mesh, every pair of sites will be directly linked by a leased line. If there are N sites, there will be N*(N-1)/2 connections. In Figure ...
... If you have a network of leased lines, you have options for how many sites you connect. Sites can communicate directly or through intermediate sites. a) In a full mesh, every pair of sites will be directly linked by a leased line. If there are N sites, there will be N*(N-1)/2 connections. In Figure ...
The Top Seven Security Problems of 802.11 Wireless
... not using strong security measures, such as VPNs or 802.1x. Problem #2: "Rogue" Access Points Easy access to wireless LANs is coupled with easy deployment. When combined, these two characteristics can cause headaches for network administrators and security officers. Any user can run to a nearby comp ...
... not using strong security measures, such as VPNs or 802.1x. Problem #2: "Rogue" Access Points Easy access to wireless LANs is coupled with easy deployment. When combined, these two characteristics can cause headaches for network administrators and security officers. Any user can run to a nearby comp ...
HPCC - Chapter1
... In particular, the Fastest Response method and Topologybased redirection are the most affected by these errors ...
... In particular, the Fastest Response method and Topologybased redirection are the most affected by these errors ...
Efficient Routing in Suburban Ad-Hoc Networks
... – Poor QoS management – Only supports Internet protocols – Limited security, management and accounting support ...
... – Poor QoS management – Only supports Internet protocols – Limited security, management and accounting support ...
Slides
... need to route through wireless hosts X,Y,Z Applications: “laptop” meeting in conference room, car interconnection of “personal” devices battlefield IETF MANET (Mobile Ad hoc Networks) working group ...
... need to route through wireless hosts X,Y,Z Applications: “laptop” meeting in conference room, car interconnection of “personal” devices battlefield IETF MANET (Mobile Ad hoc Networks) working group ...
Chapter 14
... • See Figure 14.7 which shows an existing table for router K, and an update from router J • Is this a good choice? ...
... • See Figure 14.7 which shows an existing table for router K, and an update from router J • Is this a good choice? ...
p2p-intro-mcomp - UF CISE
... No strong guarantees unlike DHTs Working extremely well in practice unlike DHTs ...
... No strong guarantees unlike DHTs Working extremely well in practice unlike DHTs ...
Chap 3
... UDP is used when the amount of data to be transferred is small (fit into a single packet), or when the overhead of establishing a TCP connection is not desired The Application layer provides applications the ability to access the services of the other layers and defines the protocols (HTTP, FTP, SMT ...
... UDP is used when the amount of data to be transferred is small (fit into a single packet), or when the overhead of establishing a TCP connection is not desired The Application layer provides applications the ability to access the services of the other layers and defines the protocols (HTTP, FTP, SMT ...
Shortest Path Bridging IEEE 802.1aq Overview
... devices, head end and/or transit multicast replication , all while supporting the full suit of 802.1 OA&M. Applications consist of STP replacement, Data Center L2 fabric control, L2 Internet Distributed Exchange point fabric control, small to medium sized Metro Ethernet control planes. L2 wireless n ...
... devices, head end and/or transit multicast replication , all while supporting the full suit of 802.1 OA&M. Applications consist of STP replacement, Data Center L2 fabric control, L2 Internet Distributed Exchange point fabric control, small to medium sized Metro Ethernet control planes. L2 wireless n ...
Kaleidoscope 2009 - Powerpoint template for paper presentation
... Networks(NGN) - Key differences NGN - “A Next generation network (NGN) is a packet-based network which can provide services including Telecommunication Services and able to make use of multiple broadband, Quality of Service-enabled transport technologies and in which service-related functions are in ...
... Networks(NGN) - Key differences NGN - “A Next generation network (NGN) is a packet-based network which can provide services including Telecommunication Services and able to make use of multiple broadband, Quality of Service-enabled transport technologies and in which service-related functions are in ...
Network Design
... In terms of the OSI model, layers five through seven are rolled into the topmost layer (the Application layer). The first four layers in both models are identical. Many network engineers think of everything above layer four as "just data" that varies from application to application. Since the first ...
... In terms of the OSI model, layers five through seven are rolled into the topmost layer (the Application layer). The first four layers in both models are identical. Many network engineers think of everything above layer four as "just data" that varies from application to application. Since the first ...
Citrix Technical Overview
... Auditing • Full administrative audit trail • All management operations logged ...
... Auditing • Full administrative audit trail • All management operations logged ...