Chp. 4, Part II - comp
... • Two network nodes (hosts or routers) may “tunnel” IP datagrams between them. – Other nodes on the path are not aware of the other datagram encapsulated by the outer datagram. – A tunnel configured from R1 to R2, which is assigned with a virtual number of 0: ...
... • Two network nodes (hosts or routers) may “tunnel” IP datagrams between them. – Other nodes on the path are not aware of the other datagram encapsulated by the outer datagram. – A tunnel configured from R1 to R2, which is assigned with a virtual number of 0: ...
Chapter 11&12 Routing
... • Router maintains the state of local links • Transmits updated state information to all routers in AS or in area (see later) • Router receiving update must acknowledge • Each router maintains a database that reflects the topology ...
... • Router maintains the state of local links • Transmits updated state information to all routers in AS or in area (see later) • Router receiving update must acknowledge • Each router maintains a database that reflects the topology ...
Chapter 2 Networking Overview
... User Datagram Protocol (UDP) • Connectionless and unreliable • packets not retransmitted ...
... User Datagram Protocol (UDP) • Connectionless and unreliable • packets not retransmitted ...
lecture9
... Datagram network provides network-layer connectionless service Virtual Circuit network provides network-layer connection-oriented service ...
... Datagram network provides network-layer connectionless service Virtual Circuit network provides network-layer connection-oriented service ...
M-Connect Brochure
... fantastic, they have been a huge help since day one. The standard of support we have received can only be described as going above and beyond. When choosing an Internet Service Provider M24Seven were the clear winner for us. They provide a fully resilient ...
... fantastic, they have been a huge help since day one. The standard of support we have received can only be described as going above and beyond. When choosing an Internet Service Provider M24Seven were the clear winner for us. They provide a fully resilient ...
belllabs09 - Princeton University
... Multiple Virtual Routers • Multiple virtual routers on same physical one – Virtual Private Networks (VPNs) – Router consolidation for smaller footprint control plane data plane ...
... Multiple Virtual Routers • Multiple virtual routers on same physical one – Virtual Private Networks (VPNs) – Router consolidation for smaller footprint control plane data plane ...
Networks - What are They
... Transaction protocol request - for an action indication - the action occurs response - receiver responds to the action confirm - the receiver confirms the action Unconfirmed Transaction protocol request - for an action indication - the action occurs Service Primitive Implementation of a particular a ...
... Transaction protocol request - for an action indication - the action occurs response - receiver responds to the action confirm - the receiver confirms the action Unconfirmed Transaction protocol request - for an action indication - the action occurs Service Primitive Implementation of a particular a ...
Network Layer - e-learning website
... networks. • The network layer is responsible for the source-todestination (computer-to-computer or host-to-host) delivery of a packet, possibly across multiple networks (links). The network layer ensures that each packet gets from its point of origin to its final destination. • If two systems are co ...
... networks. • The network layer is responsible for the source-todestination (computer-to-computer or host-to-host) delivery of a packet, possibly across multiple networks (links). The network layer ensures that each packet gets from its point of origin to its final destination. • If two systems are co ...
Design and Implementation of
... Design and Evaluation of a new MAC Protocol for Long-Distance 802.11 Mesh Networks, Bhaskaran Raman and Kameswari Chebrolu, 11th Annual International Conference on Mobile Computing and Networking paper (MOBICOM), Aug/Sep ...
... Design and Evaluation of a new MAC Protocol for Long-Distance 802.11 Mesh Networks, Bhaskaran Raman and Kameswari Chebrolu, 11th Annual International Conference on Mobile Computing and Networking paper (MOBICOM), Aug/Sep ...
Low-Power DoS Attacks in Data Wireless LANs and Countermeasures
... Attack goals: disruption or resource consumption Techniques: ...
... Attack goals: disruption or resource consumption Techniques: ...
... the node to forward the packet when the path passing through it appears to be slightly longer (by up to m hops) than the currently believed shortest path. This way, m introduces controllable redundancy into the scheme. To see how it helps the network cope with node dynamics (mobility, failures), con ...
ch20
... To find the time-to-live field, we skip 8 bytes. The time-tolive field is the ninth byte, which is 01. This means the packet can travel only one hop. The protocol field is the next byte (02), which means that the upper-layer protocol is IGMP. ...
... To find the time-to-live field, we skip 8 bytes. The time-tolive field is the ninth byte, which is 01. This means the packet can travel only one hop. The protocol field is the next byte (02), which means that the upper-layer protocol is IGMP. ...
Broadcast Routing - UCLA Computer Science
... Use reverse path forwarding to build source-based tree initial datagram to mcast group floods everywhere via RPF Edge routers with no members send prune msg upstream soft state: router periodically delete prune state Sender may have finished by then R1 If not, downstream router prune aga ...
... Use reverse path forwarding to build source-based tree initial datagram to mcast group floods everywhere via RPF Edge routers with no members send prune msg upstream soft state: router periodically delete prune state Sender may have finished by then R1 If not, downstream router prune aga ...
class14
... Key Network-Layer Functions forwarding: move packets from router’s input to appropriate router output routing: determine route taken by packets from source to dest. ...
... Key Network-Layer Functions forwarding: move packets from router’s input to appropriate router output routing: determine route taken by packets from source to dest. ...
Lecture 35
... • Priority field: distinguishes between packets that can be buffered/delayed vs. packets that must either be sent immediately or discarded (and in-between cases) • Flow label: allows source-destination pairs to set up the equivalent of virtual circuits with may (for example) have defined quality-of- ...
... • Priority field: distinguishes between packets that can be buffered/delayed vs. packets that must either be sent immediately or discarded (and in-between cases) • Flow label: allows source-destination pairs to set up the equivalent of virtual circuits with may (for example) have defined quality-of- ...
CS335 Sample Questions for Exam #2
... Packets will arrive in the same order that they are sent. IP uses the IP address stored in each datagram to route the packet. IP packets will contain both source and destination IP addresses. IP uses the port number stored in each datagram to route the packet. Packets contain uncorrupted data. Packe ...
... Packets will arrive in the same order that they are sent. IP uses the IP address stored in each datagram to route the packet. IP packets will contain both source and destination IP addresses. IP uses the port number stored in each datagram to route the packet. Packets contain uncorrupted data. Packe ...
Internet Vulnerabilities & Criminal Activities
... • Also called translation layer • Converts data received from application layer to format used by protocol stack • Can be used for compression & ...
... • Also called translation layer • Converts data received from application layer to format used by protocol stack • Can be used for compression & ...
Topic 23
... • Priority field: distinguishes between packets that can be buffered/delayed vs. packets that must either be sent immediately or discarded (and in-between cases) • Flow label: allows source-destination pairs to set up the equivalent of virtual circuits with may (for example) have defined quality-ofs ...
... • Priority field: distinguishes between packets that can be buffered/delayed vs. packets that must either be sent immediately or discarded (and in-between cases) • Flow label: allows source-destination pairs to set up the equivalent of virtual circuits with may (for example) have defined quality-ofs ...
Type of Networks (Continued)
... − Before a sender transmits its data frame, it sends a RTS frame to the receiver indicating the entire duration of the transmission including the time to send the ACK − If the RTS is received correctly a short CTS is sent by the intended receiver to the sender, which may proceed with the actual tran ...
... − Before a sender transmits its data frame, it sends a RTS frame to the receiver indicating the entire duration of the transmission including the time to send the ACK − If the RTS is received correctly a short CTS is sent by the intended receiver to the sender, which may proceed with the actual tran ...
Congestion Control Outline: Queuing Discipline
... • Resource allocation and congestion control involve both: – hosts at the edges of the network (transport protocols) – routers inside the network (queuing disciplines) • Underlying service model can be – best-effort (assume here – end-hosts given no opportunity for QoS demands) – multiple qualities ...
... • Resource allocation and congestion control involve both: – hosts at the edges of the network (transport protocols) – routers inside the network (queuing disciplines) • Underlying service model can be – best-effort (assume here – end-hosts given no opportunity for QoS demands) – multiple qualities ...
Slide 1
... • Geographically dispersed hosts and LANs are interconnected by wide-area networks, also called long-haul networks. • These networks may have a complex internal structure of lines and packetswitches, or they may be as simple as point-to-point lines. ...
... • Geographically dispersed hosts and LANs are interconnected by wide-area networks, also called long-haul networks. • These networks may have a complex internal structure of lines and packetswitches, or they may be as simple as point-to-point lines. ...
cis185-ROUTE-lecture2-EIGRP-Part2
... The bandwidth-percent command configures the percentage of bandwidth that may be used by EIGRP on an interface. By default, EIGRP is set to use only up to 50% of the bandwidth of an interface to exchange routing information. In order to calculate its percentage, the bandwidth-percent command r ...
... The bandwidth-percent command configures the percentage of bandwidth that may be used by EIGRP on an interface. By default, EIGRP is set to use only up to 50% of the bandwidth of an interface to exchange routing information. In order to calculate its percentage, the bandwidth-percent command r ...