Internetworking, higher layer protocols TCP/IP and ATM Eytan Modiano Massachusetts Institute of Technology
... Fast retransmit assumes that if 3 duplicate RNs are received by the sending module that the packet was lost ...
... Fast retransmit assumes that if 3 duplicate RNs are received by the sending module that the packet was lost ...
Presentation16
... explain how/why protocols should be designed and built according to proven engineering principles and the catastrophic effect of not doing so explain the communications issues that need resolving when data could be sent through multiple paths explain how TCP/IP guarantees packet delivery ...
... explain how/why protocols should be designed and built according to proven engineering principles and the catastrophic effect of not doing so explain the communications issues that need resolving when data could be sent through multiple paths explain how TCP/IP guarantees packet delivery ...
TCP/IP model
... • A server is a process - not a machine ! • A server waits for a request from a client • A client is a process that sends a request to an existing server and (usually) waits for a reply • Servers are generally more complex • Basic types of servers: Iterative - server handles one client at a time C ...
... • A server is a process - not a machine ! • A server waits for a request from a client • A client is a process that sends a request to an existing server and (usually) waits for a reply • Servers are generally more complex • Basic types of servers: Iterative - server handles one client at a time C ...
TPOT: Translucent Proxying of TCP
... activity in the area of transparent proxies for Web caching. Several vendors in the area of Web proxy caching have announced dedicated Web proxy switches and appliances [1, 2, 7, 10]. In the simplest scenario, a transparent proxy intercepts all TCP connections that are routed through it. This may be ...
... activity in the area of transparent proxies for Web caching. Several vendors in the area of Web proxy caching have announced dedicated Web proxy switches and appliances [1, 2, 7, 10]. In the simplest scenario, a transparent proxy intercepts all TCP connections that are routed through it. This may be ...
3rd Edition: Chapter 3
... checks destination port number in segment directs UDP segment to socket with that port number IP datagrams with different source IP addresses ...
... checks destination port number in segment directs UDP segment to socket with that port number IP datagrams with different source IP addresses ...
05. Reference Models and Example Networks
... joining of another regional networks - NSFNET, BITNET, EARN, …, thousands of LANs; early 90’ the term “internet” widely accepted as net name “The Internet” Internet machine is each machine that (1) inter-communicates with others under TCP/IP and (2) has a specific IP address. ...
... joining of another regional networks - NSFNET, BITNET, EARN, …, thousands of LANs; early 90’ the term “internet” widely accepted as net name “The Internet” Internet machine is each machine that (1) inter-communicates with others under TCP/IP and (2) has a specific IP address. ...
Chapter03
... for many different services. •ICMP is a management protocol and messaging service provider for IP. •Its messages are carried as IP datagrams. ICMP packets have the following ...
... for many different services. •ICMP is a management protocol and messaging service provider for IP. •Its messages are carried as IP datagrams. ICMP packets have the following ...
slides
... Saves processing resources on the host NIC can be customized for TCP/IP processing Reduces host memory references Network interface can exploit small, fast, local memory ...
... Saves processing resources on the host NIC can be customized for TCP/IP processing Reduces host memory references Network interface can exploit small, fast, local memory ...
TCP or UDP - Sistel IMT 2010
... • RTP (i.e. the Data Transfer Protocol) multiplexes various multimedia streams to a single UDP stream e.g. a video and two audio channels for a TV stereo broadcast • The timestamps allow the receiver to estimate jitter but also to buffer accordingly so that the streams are synchronised with each-oth ...
... • RTP (i.e. the Data Transfer Protocol) multiplexes various multimedia streams to a single UDP stream e.g. a video and two audio channels for a TV stereo broadcast • The timestamps allow the receiver to estimate jitter but also to buffer accordingly so that the streams are synchronised with each-oth ...
WGI WP307 GuidanceMaterial_DLR
... implements basically 4 mechanisms: slowstart, congestion-avoidance, fast-retransmit and fast-recovery. These are specified in: ...
... implements basically 4 mechanisms: slowstart, congestion-avoidance, fast-retransmit and fast-recovery. These are specified in: ...
slides - network systems lab @ sfu
... UDP: User Datagram Protocol [RFC 768] “no frills,” “bare bones” ...
... UDP: User Datagram Protocol [RFC 768] “no frills,” “bare bones” ...
An Integrated approach to developing sensor network solutions
... to end ack. and retransmission scheme – Poor performance in energy consumption and throughput – DTC cache TCP segments in network and perform local retransmissions – Nodes are allowed to cache only one segment – Nodes attempt to identify and cache segments not received by next hop ...
... to end ack. and retransmission scheme – Poor performance in energy consumption and throughput – DTC cache TCP segments in network and perform local retransmissions – Nodes are allowed to cache only one segment – Nodes attempt to identify and cache segments not received by next hop ...
TCP - Andrzej Duda
... TCP creates a reliable data-transfer service on top of IP's unreliable besteffort service. TCP's reliable data-transfer service ensures that the data stream that a process reads out of its TCP receive buffer is uncorrupted, without gaps, without duplication, and in sequence, that is, the byte stream ...
... TCP creates a reliable data-transfer service on top of IP's unreliable besteffort service. TCP's reliable data-transfer service ensures that the data stream that a process reads out of its TCP receive buffer is uncorrupted, without gaps, without duplication, and in sequence, that is, the byte stream ...
DOC
... Application of modern infocommunication technologies in intelligent sensors IKTA 00164/2000 (Sponsored by the Hungarian Ministry of Education) The aim of the project The aim of the project is to connect intelligent sensors and actuators to Ethernet/internet (TCP/IP over Ethernet) networks. ...
... Application of modern infocommunication technologies in intelligent sensors IKTA 00164/2000 (Sponsored by the Hungarian Ministry of Education) The aim of the project The aim of the project is to connect intelligent sensors and actuators to Ethernet/internet (TCP/IP over Ethernet) networks. ...
firewalls
... Performance penalty – defeats optimization efforts Bottleneck at T1 serial link Degradation depends on number of rules applied at any point Order rules so that most common traffic is dealt with first Correctness is more important than speed ...
... Performance penalty – defeats optimization efforts Bottleneck at T1 serial link Degradation depends on number of rules applied at any point Order rules so that most common traffic is dealt with first Correctness is more important than speed ...
Chapter 10 Introduction to MAN and WAN
... Packet-switched network – Network in which all data messages are transmitted using fixed-sized packages, called packets ...
... Packet-switched network – Network in which all data messages are transmitted using fixed-sized packages, called packets ...
Part I: Introduction
... service from server e.g., WWW client (browser)/ server; email client/server ...
... service from server e.g., WWW client (browser)/ server; email client/server ...
History of the Internet - DCU School of Computing
... – Repeaters - when data travels over long distances, the signal sending the data can weaken over long distances, repeaters are used to amplify the data at intervals – Routers come into play when data is being sent between two different networks. It examines packets for destination and selects the qu ...
... – Repeaters - when data travels over long distances, the signal sending the data can weaken over long distances, repeaters are used to amplify the data at intervals – Routers come into play when data is being sent between two different networks. It examines packets for destination and selects the qu ...
Enabling Active Flow Manipulation (AFM)
... Move computations into the network for value added services. Manage the network more capably than possible with SNMP. More quickly introduce Diffserv or Inserv to support new multimedia applications Implement traffic control algorithms to support QoS. ...
... Move computations into the network for value added services. Manage the network more capably than possible with SNMP. More quickly introduce Diffserv or Inserv to support new multimedia applications Implement traffic control algorithms to support QoS. ...
Communications Model
... • The complexity of the communication task is reduced by using multiple protocol layers: • Each protocol is implemented independently • Each protocol is responsible for a specific subtask • Protocols are grouped in a hierarchy • A structured set of protocols is called a communications architecture o ...
... • The complexity of the communication task is reduced by using multiple protocol layers: • Each protocol is implemented independently • Each protocol is responsible for a specific subtask • Protocols are grouped in a hierarchy • A structured set of protocols is called a communications architecture o ...
cn2 – basic network tools and analysis
... the actual delivery of the data, TCP takes care of keeping track of the individual units of data (called packets) that a message is divided into for efficient routing through the Internet. For example, when an HTML file is sent to you from a Web server, the Transmission Control Protocol (TCP) progra ...
... the actual delivery of the data, TCP takes care of keeping track of the individual units of data (called packets) that a message is divided into for efficient routing through the Internet. For example, when an HTML file is sent to you from a Web server, the Transmission Control Protocol (TCP) progra ...