Lect10
... • A host computer or host is any system attached to an internet that runs applications. • Hosts may be supercomputers or toasters. • TCP/IP allows any pair of hosts on an internet to communicate directly. • Both hosts and routers have TCP/IP stacks – Hosts typically have one interface and don't forw ...
... • A host computer or host is any system attached to an internet that runs applications. • Hosts may be supercomputers or toasters. • TCP/IP allows any pair of hosts on an internet to communicate directly. • Both hosts and routers have TCP/IP stacks – Hosts typically have one interface and don't forw ...
Chapter 9: Network and Communication
... Uses of Computer Communications • Web services enable programmers to create applications that communicate with other remote computers over the Internet or on an internal business network • A mashup is a Web application that combines services from two or more sources Page 469 Figure 9-8 ...
... Uses of Computer Communications • Web services enable programmers to create applications that communicate with other remote computers over the Internet or on an internal business network • A mashup is a Web application that combines services from two or more sources Page 469 Figure 9-8 ...
i-2 routing scalability
... 3. Reliability: fast convergence upon topology changes while minimizing communication costs to maintain coherent non-local knowledge about network topology 4. Name-independent routing: accommodate node addresses/labels assigned independently of the topology (otherwise need to split locator and ID pa ...
... 3. Reliability: fast convergence upon topology changes while minimizing communication costs to maintain coherent non-local knowledge about network topology 4. Name-independent routing: accommodate node addresses/labels assigned independently of the topology (otherwise need to split locator and ID pa ...
Flow control
... Multiple Access Communications • Shared media is the basis of broadcast networks – Inexpensive: radio over air; copper or coaxial cable – M users communicate by broadcasting into the medium ...
... Multiple Access Communications • Shared media is the basis of broadcast networks – Inexpensive: radio over air; copper or coaxial cable – M users communicate by broadcasting into the medium ...
IP: Datagram and Addressing
... layer process is to receive this datagram. Assigned protocol IDs can be found in RFC1700. HEADER CHECKSUM: Checksum is computed only on the header (including OPTIONS), which reduces processing time at gateways (adds up all the 16 bit ...
... layer process is to receive this datagram. Assigned protocol IDs can be found in RFC1700. HEADER CHECKSUM: Checksum is computed only on the header (including OPTIONS), which reduces processing time at gateways (adds up all the 16 bit ...
hosts
... Properties of DNS Host Entries Each host entry is an equivalence class of domain names and IP addresses. Each host has a locally defined domain name localhost which always maps to the loopback address 127.0.0.1 Different kinds of mappings are possible: – Simple case: 1-1 mapping between domain name ...
... Properties of DNS Host Entries Each host entry is an equivalence class of domain names and IP addresses. Each host has a locally defined domain name localhost which always maps to the loopback address 127.0.0.1 Different kinds of mappings are possible: – Simple case: 1-1 mapping between domain name ...
ip route 0.0.0.0 0.0.0.0 172.16.10.5
... The administrative distance (AD) is used to rate the trustworthiness of routing information received on a router from a neighbor router. An administrative distance is an integer from 0 to 255, where 0 is the most trusted and 255 means no traffic will be passed via this route. If a router receives tw ...
... The administrative distance (AD) is used to rate the trustworthiness of routing information received on a router from a neighbor router. An administrative distance is an integer from 0 to 255, where 0 is the most trusted and 255 means no traffic will be passed via this route. If a router receives tw ...
Document
... Bridge: allows interconnecting different networks, regardless of the protocol they are using. Works in physical & data link layers. A router also allows interconnecting several networks, but the network layer protocol must be common (E.g, IP) If we want to interconnect two networks that are using th ...
... Bridge: allows interconnecting different networks, regardless of the protocol they are using. Works in physical & data link layers. A router also allows interconnecting several networks, but the network layer protocol must be common (E.g, IP) If we want to interconnect two networks that are using th ...
An Embedded Dynamic Security Networking
... application based on 3G wireless IP network TETRA, on the basis of mobile communication technologies, then obtaining the conclusion that the network method based on 3G wireless IP is superior to other methods, but with complexity of algorithm and adaptively differential [6]. In view of the above pro ...
... application based on 3G wireless IP network TETRA, on the basis of mobile communication technologies, then obtaining the conclusion that the network method based on 3G wireless IP is superior to other methods, but with complexity of algorithm and adaptively differential [6]. In view of the above pro ...
cired experimental evaluation of cyber intrusions into highly critical
... impact requires compromising hundreds of substation nodes. As a power control network connects thousands of substations, the time needed to acquire logo-on data and to identify all the substations involved in the defence procedure may span over several days. In a real application the malware impleme ...
... impact requires compromising hundreds of substation nodes. As a power control network connects thousands of substations, the time needed to acquire logo-on data and to identify all the substations involved in the defence procedure may span over several days. In a real application the malware impleme ...
TN-Lecture9
... TCP/IP-based protocols). • The STP Routes SS7 Messages as received from the various SSPs throughout the Network to their appropriate destinations. ...
... TCP/IP-based protocols). • The STP Routes SS7 Messages as received from the various SSPs throughout the Network to their appropriate destinations. ...
CNGI/CERNET2 update
... Internet we needed • Internet have been an important infrastructure today and still deploy very fast • Major characteristics of next generation Internet: ...
... Internet we needed • Internet have been an important infrastructure today and still deploy very fast • Major characteristics of next generation Internet: ...
Securing Wireless Networks for HIPAA Compliance
... The benefits of wireless—like most other technologies—come with their share of downfalls in security. Wireless as the name implies uses air rather then wires at the physical layer. This opens the network up for the world to see much easier. An attacker can just be in range of the access point (AP) a ...
... The benefits of wireless—like most other technologies—come with their share of downfalls in security. Wireless as the name implies uses air rather then wires at the physical layer. This opens the network up for the world to see much easier. An attacker can just be in range of the access point (AP) a ...
Chapter 8
... gateway, it can learn of available routers through the process of router discovery. This process begins with the host sending a router solicitation message to all routers, using the multicast address 224.0.0.2 as the ...
... gateway, it can learn of available routers through the process of router discovery. This process begins with the host sending a router solicitation message to all routers, using the multicast address 224.0.0.2 as the ...
seminar report - School of Information Technology, IIT kharagpur
... Today IP Telephony is a very powerful and economical communication options. IP telephony is the integration and convergence of voice and data networks, services, and applications. Internet telephony uses the Internet to send audio, video and data between two or more users in the real time. Internet ...
... Today IP Telephony is a very powerful and economical communication options. IP telephony is the integration and convergence of voice and data networks, services, and applications. Internet telephony uses the Internet to send audio, video and data between two or more users in the real time. Internet ...
Internet Control Message Protocol (ICMP)
... ICMP messages are encapsulated into datagrams in the same way any other data is delivered using IP. This creates a scenario where error reports could generate more error reports, causing increased congestion on an already ailing(生病) network. For this reason, errors created by ICMP messages do not ge ...
... ICMP messages are encapsulated into datagrams in the same way any other data is delivered using IP. This creates a scenario where error reports could generate more error reports, causing increased congestion on an already ailing(生病) network. For this reason, errors created by ICMP messages do not ge ...
Chapter 4 Network Layer Intro & Unicast Routing
... Priority: identify priority among datagrams in flow Flow Label: identify datagrams in same “flow.” (concept of“flow” not well defined). Next header: identify upper layer protocol for data ...
... Priority: identify priority among datagrams in flow Flow Label: identify datagrams in same “flow.” (concept of“flow” not well defined). Next header: identify upper layer protocol for data ...
switch
... Switches vs. Hubs • How is Switch different than a Hub? – Broadcasting (and Security) • Hub broadcasts every packet to every device ...
... Switches vs. Hubs • How is Switch different than a Hub? – Broadcasting (and Security) • Hub broadcasts every packet to every device ...
Digital Business Networks Networking Models: OSI and TCP/IP 2.1
... advantage. Second, both models are based on a layered architecture. This means that each model can be broken into several distinct components, called layers. Each layer within the model has its own particular and specific responsibilities and functionalities. A major topic discussed throughout this ...
... advantage. Second, both models are based on a layered architecture. This means that each model can be broken into several distinct components, called layers. Each layer within the model has its own particular and specific responsibilities and functionalities. A major topic discussed throughout this ...
Stochastic Modeling of Delay in OpenFlow Switches v2
... Prior State-of-the-art Some works used simulations to verify the derived model. Interaction of multiple switches were not considered. Limitation of Network Calculus approach used: A relatively new alternative to classical queueing theory. It has two branches Deterministic Network Calculus ...
... Prior State-of-the-art Some works used simulations to verify the derived model. Interaction of multiple switches were not considered. Limitation of Network Calculus approach used: A relatively new alternative to classical queueing theory. It has two branches Deterministic Network Calculus ...
Introduction to Dynamic Routing
... •How to configure dynamic routing? •Choose a protocol that meets your needs •Each vendor has specific commands but should have a configuration guide available to assist •Plan well to ensure a functional network •Create a diagram •Consider high availability technologies •HSRP •VRRP ...
... •How to configure dynamic routing? •Choose a protocol that meets your needs •Each vendor has specific commands but should have a configuration guide available to assist •Plan well to ensure a functional network •Create a diagram •Consider high availability technologies •HSRP •VRRP ...
Network - PTT.br
... “…In the SDN architecture, the control and data planes are decoupled, network intelligence and state are logically centralized, and the underlying network infrastructure is abstracted from the applications…” ...
... “…In the SDN architecture, the control and data planes are decoupled, network intelligence and state are logically centralized, and the underlying network infrastructure is abstracted from the applications…” ...
