router
... Autonomous system (AS) is a set of routers or networks administered by a single organization Same routing protocol need not be run within the AS But, to the outside world, an AS should present a consistent picture of what ASs are reachable through it Stub AS: has only a single connection to the outs ...
... Autonomous system (AS) is a set of routers or networks administered by a single organization Same routing protocol need not be run within the AS But, to the outside world, an AS should present a consistent picture of what ASs are reachable through it Stub AS: has only a single connection to the outs ...
CS61C / CS150 in the News Review: I/O Working with real devices
... 2: OS calculates checksum, if OK, send ACK; if not, delete message (sender resends when ]mer expires) 1: If OK, OS copies data to user address space, & signals applica]on to ...
... 2: OS calculates checksum, if OK, send ACK; if not, delete message (sender resends when ]mer expires) 1: If OK, OS copies data to user address space, & signals applica]on to ...
UNDERLAYS
and
MIDDLEBOXES
READING:
SECTION
8. COS
461:
Computer
Networks
Spring
2010
(MW
3:00‐4:20
in
COS
105)
... Port‐TranslaNng NAT • Map outgoing packets – Replace source address with NAT address – Replace source port number with a new port number – Remote hosts respond using (NAT address, new port #) ...
... Port‐TranslaNng NAT • Map outgoing packets – Replace source address with NAT address – Replace source port number with a new port number – Remote hosts respond using (NAT address, new port #) ...
Circuit Switching, Packet Switching, The Network Layer
... upper layer protocol to deliver payload to ...
... upper layer protocol to deliver payload to ...
Virtual Data Center LAN
... ▶ leverages state-of-the art Software-Defined Networking (SDN) technologies to provide a flexible, reliable and cost effective data center network infrastructure ▶ covers full life-cycle from planning through to operational support ▶ is part of a suite of services making up Atos Digital Data Center ...
... ▶ leverages state-of-the art Software-Defined Networking (SDN) technologies to provide a flexible, reliable and cost effective data center network infrastructure ▶ covers full life-cycle from planning through to operational support ▶ is part of a suite of services making up Atos Digital Data Center ...
Ping, traceroute, etc.
... a packet from your computer (the local host) to some other host on the network – It doesn’t actually follow a single packet but sends out a series of packets – The packets are restricted in the number of “hops” they can take • It is limited by the time-to-live (TTL) field ...
... a packet from your computer (the local host) to some other host on the network – It doesn’t actually follow a single packet but sends out a series of packets – The packets are restricted in the number of “hops” they can take • It is limited by the time-to-live (TTL) field ...
Cross layer design for Wireless networks
... Higher gains mean also high interference at distanced nodes There are three types of links ...
... Higher gains mean also high interference at distanced nodes There are three types of links ...
Detection of Vampire Attack in Wireless Adhoc Network
... Abstract: Mobile ad-hoc network is an infrastructure-less network in which the routing operation play important role in route discovery between communicating nodes. Due to infrastructure-less characteristic of ad-hoc network, it has different issues like routing, MAC layer, security etc. One of them ...
... Abstract: Mobile ad-hoc network is an infrastructure-less network in which the routing operation play important role in route discovery between communicating nodes. Due to infrastructure-less characteristic of ad-hoc network, it has different issues like routing, MAC layer, security etc. One of them ...
Security in Automotive Domain Using Secure Socket Layer
... application, the LIN bus is connected between smart sensors asynchronous (up to 14 MBit/s) data transmission, as well as or actuators and an Electronic Control Unit (ECU) which is a small control channel. The control channel allows MOST often a gateway with CAN bus. Like CAN, LIN is also a devices t ...
... application, the LIN bus is connected between smart sensors asynchronous (up to 14 MBit/s) data transmission, as well as or actuators and an Electronic Control Unit (ECU) which is a small control channel. The control channel allows MOST often a gateway with CAN bus. Like CAN, LIN is also a devices t ...
Ethernet: CSMA/CD (Carrier Sense Multiple Access with Collision
... • Jamming: NIC indicates to network nodes that previous transmission was faulty • Collision domain: network portion in which collisions occur • Data propagation delay: length of time data takes to travel between segment points ...
... • Jamming: NIC indicates to network nodes that previous transmission was faulty • Collision domain: network portion in which collisions occur • Data propagation delay: length of time data takes to travel between segment points ...
Research of a Mine Safety Monitoring System Based on WSN LEI Wenli
... control processor of the mine tunnel data sampling node. Wireless receiving and dispatching module should support ZigBee to achieve low power communications and facilitate the formation of WSN network. The Nrf2401 transceiver chip is chosen, which works in ISM frequency band (2.4 ~ 2.5 GHz). The chi ...
... control processor of the mine tunnel data sampling node. Wireless receiving and dispatching module should support ZigBee to achieve low power communications and facilitate the formation of WSN network. The Nrf2401 transceiver chip is chosen, which works in ISM frequency band (2.4 ~ 2.5 GHz). The chi ...
Overview of Communication Networks and Services
... • As cost of computing dropped, terminal-oriented networks viewed as too inflexible and costly • Need to develop flexible computer networks – Interconnect computers as required – Support many applications ...
... • As cost of computing dropped, terminal-oriented networks viewed as too inflexible and costly • Need to develop flexible computer networks – Interconnect computers as required – Support many applications ...
Ethernet
... Multicast Scope Control: TTL Boundaries to keep multicast traffic within an administrative domain, e.g., for privacy or resource reasons the rest of the Internet ...
... Multicast Scope Control: TTL Boundaries to keep multicast traffic within an administrative domain, e.g., for privacy or resource reasons the rest of the Internet ...
An End-to-End Mobility Architecture for the NGI
... Migrate: Secure connection migration + dynamic naming (this talk) Demo this evening: “vertical mobility” between 802.11 & ...
... Migrate: Secure connection migration + dynamic naming (this talk) Demo this evening: “vertical mobility” between 802.11 & ...
Role of Ethernet in Optical Networks
... Any information contained in our product roadmap is intended to outline our general product direction and it should not be relied on in making purchasing decisions. The information on the roadmap is (i) for information purposes only, (ii) may not be incorporated into any contract and (iii) does not ...
... Any information contained in our product roadmap is intended to outline our general product direction and it should not be relied on in making purchasing decisions. The information on the roadmap is (i) for information purposes only, (ii) may not be incorporated into any contract and (iii) does not ...
transport entity
... • It listens to a set of ports at the same time, waiting for a connection request. Potential users of a service begin by doing a CONNECT request, specifying the TSAP address of the service they want. • If no server is waiting for them, they get a connection to the process server ...
... • It listens to a set of ports at the same time, waiting for a connection request. Potential users of a service begin by doing a CONNECT request, specifying the TSAP address of the service they want. • If no server is waiting for them, they get a connection to the process server ...
SOHO Networking
... Hypertext Transfer Protocol over Secure Socket Layer (HTTPS). The HTTPS protocol provides for secure HTTP transfer. It uses encryption to guarantee confidentiality of the data being transferred in an HTTP session. ...
... Hypertext Transfer Protocol over Secure Socket Layer (HTTPS). The HTTPS protocol provides for secure HTTP transfer. It uses encryption to guarantee confidentiality of the data being transferred in an HTTP session. ...
Introduction to Using OPNET Modeler
... time is processed from the event list • No simulation time occurs during the execution of a process • No time elapses during transitions between states • A process model must always have an unforced (red) state so time can advance – Avoid endless looping between forced (green) states ...
... time is processed from the event list • No simulation time occurs during the execution of a process • No time elapses during transitions between states • A process model must always have an unforced (red) state so time can advance – Avoid endless looping between forced (green) states ...
document
... Presentation layer ensures data format is ASCII Session layer establishes and maintains link Transport layer monitors transmission/reception errors Network layer routes packet along shortest path Data Link layer formats frames, verifies address Physical layer converts data to electrical signal ...
... Presentation layer ensures data format is ASCII Session layer establishes and maintains link Transport layer monitors transmission/reception errors Network layer routes packet along shortest path Data Link layer formats frames, verifies address Physical layer converts data to electrical signal ...
How The Internet Works - Directory | CS
... level and routes packets between them. The router must understand the addressing structure associated with the networking protocols it supports and take decisions on whether, or how, to forward packets. Routers are able to select the best transmission paths and optimal packet sizes. The basic routin ...
... level and routes packets between them. The router must understand the addressing structure associated with the networking protocols it supports and take decisions on whether, or how, to forward packets. Routers are able to select the best transmission paths and optimal packet sizes. The basic routin ...