Lecture 5 - Egan Family
... efficiency of ATM? – Write pseudo-code describing an algorithm to implement early packet discard. – Why does the header CRC need to be recalculated at each hop in the ATM network? ...
... efficiency of ATM? – Write pseudo-code describing an algorithm to implement early packet discard. – Why does the header CRC need to be recalculated at each hop in the ATM network? ...
Chapter 5
... protocol commonly used on the Internet using the link state algorithm. – OSPF has overtaken RIP as the most popular interior routing protocol on the Internet because of OSPF’s ability to incorporate traffic and error rate measures in its routing decisions. – OSPF is also less burdensome to the netwo ...
... protocol commonly used on the Internet using the link state algorithm. – OSPF has overtaken RIP as the most popular interior routing protocol on the Internet because of OSPF’s ability to incorporate traffic and error rate measures in its routing decisions. – OSPF is also less burdensome to the netwo ...
download
... – All packets use a common memory buffer. – Packets in the buffer are then linked (mapped) dynamically to the appropriate destination port. – Helps balance between 10- and 100-Mbps ports. ...
... – All packets use a common memory buffer. – Packets in the buffer are then linked (mapped) dynamically to the appropriate destination port. – Helps balance between 10- and 100-Mbps ports. ...
Network Service Models - University of Missouri
... the Internet. In this type of model, each request to send is honored by the network as best as it can. - The most problematic characteristic of the Best effort service model is the lack of contract between the network and the user. - The way users access the Internet made this model the most useful ...
... the Internet. In this type of model, each request to send is honored by the network as best as it can. - The most problematic characteristic of the Best effort service model is the lack of contract between the network and the user. - The way users access the Internet made this model the most useful ...
SCORE: A Scalable Architecture for Implementing Resource
... IP provides logical address space and a corresponding addressing schema IP address is a globally unique or private number associated with a host network interface Every system which will send packets directly out across the Internet must have a unique IP address IP addresses are based on where stati ...
... IP provides logical address space and a corresponding addressing schema IP address is a globally unique or private number associated with a host network interface Every system which will send packets directly out across the Internet must have a unique IP address IP addresses are based on where stati ...
Communication - Princeton University
... – … but, need at least one provider of their own – Typically have national or regional scope – E.g., Minnesota Regional Network – Includes a few thousand of the ASes ...
... – … but, need at least one provider of their own – Typically have national or regional scope – E.g., Minnesota Regional Network – Includes a few thousand of the ASes ...
KeyStone I Network Coprocessor
... • PA LLD interface and features are compatible with NetCP1.0 • Provides hardware accelerators to perform the packet classification for Ethernet L2, L3, and L4 – Hardware Lookup table (LUT1 256 entry/table, LUT2 3K entry/table) with mask/range configuration • Each PDSP can do more complex processing ...
... • PA LLD interface and features are compatible with NetCP1.0 • Provides hardware accelerators to perform the packet classification for Ethernet L2, L3, and L4 – Hardware Lookup table (LUT1 256 entry/table, LUT2 3K entry/table) with mask/range configuration • Each PDSP can do more complex processing ...
l4-2 - Heyook Lab
... • The collection of all LSAs is called the link-state database • Each router has an identical link-state database – Useful for debugging: Each router has a complete description of the network ...
... • The collection of all LSAs is called the link-state database • Each router has an identical link-state database – Useful for debugging: Each router has a complete description of the network ...
PowerPoint - The Computer Laboratory
... active sender control (e.g. performance feedback fed to endpoints for Prototype platform for NON-Ethernet or near-Ethernet MACs ...
... active sender control (e.g. performance feedback fed to endpoints for Prototype platform for NON-Ethernet or near-Ethernet MACs ...
Shen0406_NSIS - Computer Science, Columbia University
... There are also criticisms for using RSVP in QoS - the built-in multicast support adds considerable overhead, but very often may be unnecessary ...
... There are also criticisms for using RSVP in QoS - the built-in multicast support adds considerable overhead, but very often may be unnecessary ...
Routing
... Use CIDR prefix addressing Link local use addresses: prefix 1111 1110 10 Site local use addresses: prefix 1111 1110 11 - Global uniqueness of the address need no be an issue - Autoconfiguration (plug and play) Use link local use addresses 1111 1110 10 0…0 + 48-bit Ethernet address 0’s Router adverti ...
... Use CIDR prefix addressing Link local use addresses: prefix 1111 1110 10 Site local use addresses: prefix 1111 1110 11 - Global uniqueness of the address need no be an issue - Autoconfiguration (plug and play) Use link local use addresses 1111 1110 10 0…0 + 48-bit Ethernet address 0’s Router adverti ...
Layered Architecture of Communication Networks (2)
... Used by applications that require quick delivery and has some tolerance to information loss ...
... Used by applications that require quick delivery and has some tolerance to information loss ...
Chapter 1. Introduction to Data Communications
... service, each with a different priority: – Real-time applications get the highest priority – a graphical file for a Web page gets a lower priority – E-mail gets the lowest priority (since it can wait a relatively long time before being delivered). ...
... service, each with a different priority: – Real-time applications get the highest priority – a graphical file for a Web page gets a lower priority – E-mail gets the lowest priority (since it can wait a relatively long time before being delivered). ...
Review for final - Computer Science Division
... claimed source if multiple app’s. need special treatment, each has own app. gateway. client software must know how to contact gateway. ...
... claimed source if multiple app’s. need special treatment, each has own app. gateway. client software must know how to contact gateway. ...
06-ethernet_sh
... Forward units of data based on address in header. Many data-link technologies use switching. » Virtual circuits: Frame Relay, ATM, X.25, .. » Packets: Ethernet, MPLS, … “Switching” also happens at the network layer. » Layer 3: Internet protocol » In this case, address is an IP address » IP over SONE ...
... Forward units of data based on address in header. Many data-link technologies use switching. » Virtual circuits: Frame Relay, ATM, X.25, .. » Packets: Ethernet, MPLS, … “Switching” also happens at the network layer. » Layer 3: Internet protocol » In this case, address is an IP address » IP over SONE ...
EE 122: Introduction To Communication Networks
... • Performance advantage of packet-switching over circuit switching: Exploitation of statistical multiplexing • Reliability advantage: since routers don’t know about individual conversations, when a router or link fails, it’s: Easy to fail over to a different path ...
... • Performance advantage of packet-switching over circuit switching: Exploitation of statistical multiplexing • Reliability advantage: since routers don’t know about individual conversations, when a router or link fails, it’s: Easy to fail over to a different path ...
Chapter 23. Congestion Control and Quality of service
... Shared explicit style: a single reservation which can be shared by a set of flow ...
... Shared explicit style: a single reservation which can be shared by a set of flow ...
CDP1
... There may be more than one reader thread, one for every adapter that the computer has. The reader thread listens on that adapter using WINPCAP libraries and sends message to the parser thread when a packet arrives. There is only one parser thread, and it needs to do much more complex operations than ...
... There may be more than one reader thread, one for every adapter that the computer has. The reader thread listens on that adapter using WINPCAP libraries and sends message to the parser thread when a packet arrives. There is only one parser thread, and it needs to do much more complex operations than ...
CHAP06
... into a network layer address and in turn translate that into a data link layer address. This process is called address resolution. TCP/IP uses two different approaches, one for resolving application layer addresses into IP addresses and one for resolving IP addresses into data link layer addresses. ...
... into a network layer address and in turn translate that into a data link layer address. This process is called address resolution. TCP/IP uses two different approaches, one for resolving application layer addresses into IP addresses and one for resolving IP addresses into data link layer addresses. ...
IP Basics
... H Host: The route destination is a single host. G Gateway: Send anything for this destination on to this remote system, which will figure out from there where to send it. S Static: This route was configured manually, not automatically generated by the system. C Clone: Generates a new route based on ...
... H Host: The route destination is a single host. G Gateway: Send anything for this destination on to this remote system, which will figure out from there where to send it. S Static: This route was configured manually, not automatically generated by the system. C Clone: Generates a new route based on ...
Taxonomy of communication networks
... Packet Switching vs. Circuit Switching Advantages of packet switching over circuit switching most important advantage of packet-switching over circuit switching is statistical multiplexing, and therefore more efficient bandwidth usage Disadvantages of packet switching potential congestion: p ...
... Packet Switching vs. Circuit Switching Advantages of packet switching over circuit switching most important advantage of packet-switching over circuit switching is statistical multiplexing, and therefore more efficient bandwidth usage Disadvantages of packet switching potential congestion: p ...