15-441 Lecture
... • Hard to pre-compute multicast trees for all possible sources and all possible groups – Otherwise, may end up with a lot of unwanted state ...
... • Hard to pre-compute multicast trees for all possible sources and all possible groups – Otherwise, may end up with a lot of unwanted state ...
ppt1
... (neighbors), N = total nodes, L = total links • Low routing protocol overhead: each node merely single-hop broadcasts own position periodically • Approximates shortest paths on dense networks • Delivers more packets successfully on dynamic topologies than shortest-paths routing protocols ...
... (neighbors), N = total nodes, L = total links • Low routing protocol overhead: each node merely single-hop broadcasts own position periodically • Approximates shortest paths on dense networks • Delivers more packets successfully on dynamic topologies than shortest-paths routing protocols ...
Link Layer
... Link Layer and LAN A note on the use of these ppt slides: We’re making these slides freely available to all (faculty, students, readers). They’re in PowerPoint form so you see the animations; and can add, modify, and delete slides (including this one) and slide content to suit your needs. They obvio ...
... Link Layer and LAN A note on the use of these ppt slides: We’re making these slides freely available to all (faculty, students, readers). They’re in PowerPoint form so you see the animations; and can add, modify, and delete slides (including this one) and slide content to suit your needs. They obvio ...
COMP211_Topic6_Link
... framing, link access: encapsulate datagram into frame, adding header, trailer channel access if shared medium “MAC” addresses used in frame headers to identify source, dest • different from IP address! ...
... framing, link access: encapsulate datagram into frame, adding header, trailer channel access if shared medium “MAC” addresses used in frame headers to identify source, dest • different from IP address! ...
socks - OpenLoop.com
... servers connect to a SOCKS proxy server which controls the eligibility of the client to access the external server and passes the request on to the server. ...
... servers connect to a SOCKS proxy server which controls the eligibility of the client to access the external server and passes the request on to the server. ...
NETWORK MANAGEMENT
... by failure to operate correctly or by excessive errors. For example, if a communications line is physically cut, no signals can get through. Or a crimp in the cable may cause wild distortions so that there is a persistently high bit error rate. Certain errors (e.g., a single bit error on a communica ...
... by failure to operate correctly or by excessive errors. For example, if a communications line is physically cut, no signals can get through. Or a crimp in the cable may cause wild distortions so that there is a persistently high bit error rate. Certain errors (e.g., a single bit error on a communica ...
Slide 1
... Host Can Send a Packet To a Remote Host The default gateway is the device (i.e, router) that routes traffic from the local network to remote networks. A host sending a packet to a remote host does not maintain routing information beyond the local network. The default gateway maintains a routi ...
... Host Can Send a Packet To a Remote Host The default gateway is the device (i.e, router) that routes traffic from the local network to remote networks. A host sending a packet to a remote host does not maintain routing information beyond the local network. The default gateway maintains a routi ...
Data transfer using the UDP protocol in the Gigabit Ethernet environment
... Source port – a 16-bit field that identifies the process of the sender. Destination port – a 16-bit field that identifies the process of the receiver. Sequence number – a 32-bit field. If the SYN flag bit is set, this field contains the ISN (Initial Sequence Number). If the ACK flag bit is set, this ...
... Source port – a 16-bit field that identifies the process of the sender. Destination port – a 16-bit field that identifies the process of the receiver. Sequence number – a 32-bit field. If the SYN flag bit is set, this field contains the ISN (Initial Sequence Number). If the ACK flag bit is set, this ...
Document
... » no buffering at intermediates nodes will be necessary » i.e. the packets that exit the shaper will experience delay of at most b / R over their whole transmission path – for disparate subsequent links, a more general delay bound has been found to be : D b/R + (H-1)m/R + M/Rj » where H = number ...
... » no buffering at intermediates nodes will be necessary » i.e. the packets that exit the shaper will experience delay of at most b / R over their whole transmission path – for disparate subsequent links, a more general delay bound has been found to be : D b/R + (H-1)m/R + M/Rj » where H = number ...
IPSO-6LoWPAN - University of California, Berkeley
... • 802.15.4-2006 has a link MTU of 127 bytes • IPv6 requires a min link MTU of 1280 bytes 6LoWPAN must provide fragmentation IPv6 Datagram ...
... • 802.15.4-2006 has a link MTU of 127 bytes • IPv6 requires a min link MTU of 1280 bytes 6LoWPAN must provide fragmentation IPv6 Datagram ...
PDF
... particular point at a specific time. On the other hand it can be easy the mobile terminals connected to more than one point at a specific time. There should be a transparency in the transition on to a new network point. The handover decision measures and gathers from both side entity when and where ...
... particular point at a specific time. On the other hand it can be easy the mobile terminals connected to more than one point at a specific time. There should be a transparency in the transition on to a new network point. The handover decision measures and gathers from both side entity when and where ...
Recurrent Security Gaps In 802.11ac Routers
... another in order to communicate. This compatibility is maintained through standards. The Institute of Electrical and Electronics Engineers (IEEE) has developed a few prominent wireless network standards and amendment since the initial 802.11 standard in 1997, namely 802.11a, 802.11b, 802.11g, securi ...
... another in order to communicate. This compatibility is maintained through standards. The Institute of Electrical and Electronics Engineers (IEEE) has developed a few prominent wireless network standards and amendment since the initial 802.11 standard in 1997, namely 802.11a, 802.11b, 802.11g, securi ...
ppt
... OSPF (Open Shortest Path First) – Link-state updates sent (using flooding) as and when required ...
... OSPF (Open Shortest Path First) – Link-state updates sent (using flooding) as and when required ...
In recent years, a cost effective Wireless Mesh Networks ( WMNs
... or mobile, and form a client mesh network among themselves and with other mesh routers. In WMN, each node operates not only as host but also as a router, forwarding packets on behalf of other nodes that may not be within direct wireless transmission range of their destination. Multi-hop relaying hel ...
... or mobile, and form a client mesh network among themselves and with other mesh routers. In WMN, each node operates not only as host but also as a router, forwarding packets on behalf of other nodes that may not be within direct wireless transmission range of their destination. Multi-hop relaying hel ...
lecture8
... networks interconnect existing networks … but, packet switching networks differ widely - Different services • E.g., degree of reliability - Different interfaces • E.g., length of the packet that can be transmitted, address format - Different protocols • E.g., routing protocols ...
... networks interconnect existing networks … but, packet switching networks differ widely - Different services • E.g., degree of reliability - Different interfaces • E.g., length of the packet that can be transmitted, address format - Different protocols • E.g., routing protocols ...
TCP/IP model
... • ARP is used by a sending host when it knows the IP address of destination but needs the Ethernet address • ARP is a broadcast protocol – every host on the network receives the request – Each host checks the request against it’s IP address • the right one responds ...
... • ARP is used by a sending host when it knows the IP address of destination but needs the Ethernet address • ARP is a broadcast protocol – every host on the network receives the request – Each host checks the request against it’s IP address • the right one responds ...
Class Power Points for Chapter #6
... Discuss basic internetworking concepts Describe the functions of bridges, switches and routers, describe routing ...
... Discuss basic internetworking concepts Describe the functions of bridges, switches and routers, describe routing ...
20060420_OnLinkScalability_rev1
... • For neighboring routers, reachability means that packets sent by a node's IP layer are delivered to the router's IP layer, and the router is indeed forwarding packets (i.e., it is configured as a router, not a host) • For hosts, reachability means that packets sent by a node's IP layer are delive ...
... • For neighboring routers, reachability means that packets sent by a node's IP layer are delivered to the router's IP layer, and the router is indeed forwarding packets (i.e., it is configured as a router, not a host) • For hosts, reachability means that packets sent by a node's IP layer are delive ...
The Network Layer - London South Bank University
... automatically when there is a change somewhere in the network; i.e when a route is down or a better route has been created. e) Routing protocols is a combination of rules/procedures that lets routers in the internet inform one another when changes occur; mostly based on sharing/combining information ...
... automatically when there is a change somewhere in the network; i.e when a route is down or a better route has been created. e) Routing protocols is a combination of rules/procedures that lets routers in the internet inform one another when changes occur; mostly based on sharing/combining information ...