Chapter 1 - UniMAP Portal
... Networks and Services Network Architecture and Services Telegraph Networks & Message Switching Telephone Networks and Circuit Switching Computer Networks & Packet Switching Future Network Architectures and Services Key Factors in Network Evolution ...
... Networks and Services Network Architecture and Services Telegraph Networks & Message Switching Telephone Networks and Circuit Switching Computer Networks & Packet Switching Future Network Architectures and Services Key Factors in Network Evolution ...
EN 2315356
... enhance decision making. The risk is, however, large data transfer and information overloading. (2) The reliability challenge. Sensors communicate through low-bandwidth and unreliable wireless links compared to wired communication. An individual sensor may suffer intermittent connectivity due to hig ...
... enhance decision making. The risk is, however, large data transfer and information overloading. (2) The reliability challenge. Sensors communicate through low-bandwidth and unreliable wireless links compared to wired communication. An individual sensor may suffer intermittent connectivity due to hig ...
NEXWAY Workshop Afternoon session A- Workshop - 14.00
... Towards Broadband Global Optical and Wireless Networking In this NEXWAY White Paper it is presented a novel non-conventional approach to the future optical and wireless hybrid transport network that is capable to support the dominating kinds of traffic, i.e. voice/real time, wireless and packet traf ...
... Towards Broadband Global Optical and Wireless Networking In this NEXWAY White Paper it is presented a novel non-conventional approach to the future optical and wireless hybrid transport network that is capable to support the dominating kinds of traffic, i.e. voice/real time, wireless and packet traf ...
Chapter 1 Communication Networks and Services
... 1950s: Telegraph technology adapted to computers 1960s: Dumb terminals access shared host computer z SABRE airline reservation system 1970s: Computers connect directly to each other z ARPANET packet switching network z TCP/IP internet protocols z Ethernet local area network 1980s & 1990s: New applic ...
... 1950s: Telegraph technology adapted to computers 1960s: Dumb terminals access shared host computer z SABRE airline reservation system 1970s: Computers connect directly to each other z ARPANET packet switching network z TCP/IP internet protocols z Ethernet local area network 1980s & 1990s: New applic ...
No Slide Title
... • Design for average condition, not just peak –rely on data about typical use • Use Network to gather info about savings opportunities • Use Network to enable edge device savings ...
... • Design for average condition, not just peak –rely on data about typical use • Use Network to gather info about savings opportunities • Use Network to enable edge device savings ...
Securing rendezvous process in PURSUIT
... other (to host publication)
• 1. Publication is published by the data source
• 2. & 3. Subscriber receives data source's location with
all relevant certificates from the rendezvous system
• 4. Subscription request is sent towards the data source
with all relevant certificates
• 5. Publicat ...
... other (to host publication
What is a communication network?
... Networks and Services Network Architecture and Services Telegraph Networks & Message Switching Telephone Networks and Circuit Switching Computer Networks & Packet Switching Future Network Architectures and Services Key Factors in Network Evolution ...
... Networks and Services Network Architecture and Services Telegraph Networks & Message Switching Telephone Networks and Circuit Switching Computer Networks & Packet Switching Future Network Architectures and Services Key Factors in Network Evolution ...
O4102103111
... performed and the impact of various parameters on the process of node selection was investigated. Results show that our approach outperforms a naïve scheme for node selection, achieving large energy savings while preserving QOS requirements. 2.2 Relay-Assisted Communications System In the relay-assi ...
... performed and the impact of various parameters on the process of node selection was investigated. Results show that our approach outperforms a naïve scheme for node selection, achieving large energy savings while preserving QOS requirements. 2.2 Relay-Assisted Communications System In the relay-assi ...
Lecture 8
... • Each host checks for match with indicated IP address. • If match, it sends a response to originator of query with link layer or PHY address. • Originator adds this information into its ARP table. • TTL for each entry in ARP table is 20 minutes. • Just a reminder -- note that a broadcast address ...
... • Each host checks for match with indicated IP address. • If match, it sends a response to originator of query with link layer or PHY address. • Originator adds this information into its ARP table. • TTL for each entry in ARP table is 20 minutes. • Just a reminder -- note that a broadcast address ...
Defense Techniques
... • but accesses higher-level protocol information – allows to track sessions (e.g. ftp) – virtual sessions for connection-less protocols (e.g. UDP) • firewall stores ports used in a particular UDP transaction • temporarily creates an exception to let the answer pass ...
... • but accesses higher-level protocol information – allows to track sessions (e.g. ftp) – virtual sessions for connection-less protocols (e.g. UDP) • firewall stores ports used in a particular UDP transaction • temporarily creates an exception to let the answer pass ...
Lecture 2
... – Similar to a firewall, but has more knowledge of application protocols and better security. TELE 301 ...
... – Similar to a firewall, but has more knowledge of application protocols and better security. TELE 301 ...
GPSR: Greedy Perimeter Stateless Routing for Wireless Networks
... protocol inside its borders, and appears as a single entity in the backbone inter-domain routing protocol. This hierarchy is based on well-defined and rarely changing administrative and topological boundaries. It is therefore not easily applicable to freely moving adhoc wireless networks, where topo ...
... protocol inside its borders, and appears as a single entity in the backbone inter-domain routing protocol. This hierarchy is based on well-defined and rarely changing administrative and topological boundaries. It is therefore not easily applicable to freely moving adhoc wireless networks, where topo ...
ppt
... Course Objectives 4. To provide an opportunity to do network programming using TCP/IP. 5. To give the students experience working in programming teams. 6. To clarify network terminology. ...
... Course Objectives 4. To provide an opportunity to do network programming using TCP/IP. 5. To give the students experience working in programming teams. 6. To clarify network terminology. ...
PPT Version
... not adequate for needs of MBWA and Next-Gen multi-access wide-area networks • Need for a localized MM protocol – Optimized for handover performance of different application classes, client power-management states and IP reachability ...
... not adequate for needs of MBWA and Next-Gen multi-access wide-area networks • Need for a localized MM protocol – Optimized for handover performance of different application classes, client power-management states and IP reachability ...
Packet Tracer – Map a Network Using CDP
... A senior network administrator requires you to map the Remote Branch Office network and discover the name of a recently installed switch that still needs an IP address to be configured. Your task is to create a map of the branch office network. You must record all of the network device names, IP add ...
... A senior network administrator requires you to map the Remote Branch Office network and discover the name of a recently installed switch that still needs an IP address to be configured. Your task is to create a map of the branch office network. You must record all of the network device names, IP add ...
Chapter6.5
... • Significantly different than typical signalling protocols for connection-oriented networks • Key assumption: do not detract from robustness of connectionless network – Lack of router state in connectionless allows for end-toend connectivity even during crash and reboot cycles – RSVP uses soft stat ...
... • Significantly different than typical signalling protocols for connection-oriented networks • Key assumption: do not detract from robustness of connectionless network – Lack of router state in connectionless allows for end-toend connectivity even during crash and reboot cycles – RSVP uses soft stat ...
Smart Dust and TinyOS: Hardware and Software for Network
... Node transmits to some unknown set Candidate nbrs are sources of incoming packets Estimate of inbound link reliability ...
... Node transmits to some unknown set Candidate nbrs are sources of incoming packets Estimate of inbound link reliability ...
Building Survivable Systems based on Intrusion Detection and
... requests, and may even know the (spoofed) source IP address from which the requests originate, but cannot do anything to preserve itself under the attack. ◦ (Hosts can always respond to the attack by shutting down the attack services, but this reaction is not useful, since it accomplishes the aims o ...
... requests, and may even know the (spoofed) source IP address from which the requests originate, but cannot do anything to preserve itself under the attack. ◦ (Hosts can always respond to the attack by shutting down the attack services, but this reaction is not useful, since it accomplishes the aims o ...
Wireless Sensor Networks – Concepts General Concepts Wireless
... The wireless communications used in WSN depend on the application requirements, taking into consideration the needs in terms of transmission distance, sensor data bandwidth, energy source and power consumption. Common communications include standard protocols such as 2.4 GHz radio based on either IE ...
... The wireless communications used in WSN depend on the application requirements, taking into consideration the needs in terms of transmission distance, sensor data bandwidth, energy source and power consumption. Common communications include standard protocols such as 2.4 GHz radio based on either IE ...
glossary - So you Start
... Administrative Authority: A body which primarily defines and develops the regulations for Domain Name allocation and management. Administrative Contact: The contact designated by the domain name holder at the time of registration. The administrative contact is notably the person that receives the ex ...
... Administrative Authority: A body which primarily defines and develops the regulations for Domain Name allocation and management. Administrative Contact: The contact designated by the domain name holder at the time of registration. The administrative contact is notably the person that receives the ex ...
Introduction - Eastern Illinois University
... Large messages are broken into small pieces called packets (or frames) ...
... Large messages are broken into small pieces called packets (or frames) ...
Network Layer
... 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 ...
Network
... IP addressing - Each host in the network must have a unique IP address because duplicate addresses would make routing impossible - IP Addressing is a hierarchical structure as the IP address combines two identifiers into one number . the first part identifies the network address , the second part, ...
... IP addressing - Each host in the network must have a unique IP address because duplicate addresses would make routing impossible - IP Addressing is a hierarchical structure as the IP address combines two identifiers into one number . the first part identifies the network address , the second part, ...
tia4_ppt_ch12
... Network Topologies • The physical layout of computers, transmission media, and other components • Types of network topologies – Bus topology – Ring topology – Star topology – Hybrid topology © 2008 Prentice-Hall, Inc. ...
... Network Topologies • The physical layout of computers, transmission media, and other components • Types of network topologies – Bus topology – Ring topology – Star topology – Hybrid topology © 2008 Prentice-Hall, Inc. ...