router
... Primarily operates as a layer 2 switch / access point However, these routers often have additional features (some of which are in layer 3): Dynamic host configuration (DHCP) – IP address assignment for network hosts, for example DNS capability (local or distributed) – Provides naming of hosts inside ...
... Primarily operates as a layer 2 switch / access point However, these routers often have additional features (some of which are in layer 3): Dynamic host configuration (DHCP) – IP address assignment for network hosts, for example DNS capability (local or distributed) – Provides naming of hosts inside ...
Chapter 2 Lecture Presentation
... HTTP client sends request messages through an “ephemeral port number,” e.g. 1127 HTTP needs a Transmission Control Protocol (TCP) connection between the HTTP client and the HTTP server to transfer messages reliably ...
... HTTP client sends request messages through an “ephemeral port number,” e.g. 1127 HTTP needs a Transmission Control Protocol (TCP) connection between the HTTP client and the HTTP server to transfer messages reliably ...
High Speed Communication Protocols
... It can convey only how much data can be buffered, rather than how fast the transmission should be It ties flow control and error control together Go-back-N type of control degrades throughput severely and add unnecessary network congestion Flow control should be independent of error control ECE 677, ...
... It can convey only how much data can be buffered, rather than how fast the transmission should be It ties flow control and error control together Go-back-N type of control degrades throughput severely and add unnecessary network congestion Flow control should be independent of error control ECE 677, ...
lecture02-swtching
... network-layer address, logical – i.e., not bound to any physical device, can be re-assigned IP hierarchical address NOT portable – depends on IP network to which an interface is attached – when move to another IP network, IP address re-assigned used to get IP packets to destination IP network ...
... network-layer address, logical – i.e., not bound to any physical device, can be re-assigned IP hierarchical address NOT portable – depends on IP network to which an interface is attached – when move to another IP network, IP address re-assigned used to get IP packets to destination IP network ...
doc file - Prof. Paul Mc Kevitt
... have peaked and yet end users want higher and higher quality through the use of lossless compression formats on more unstable network topologies. When receiving streaming media over a low bandwidth wireless connection, users can experience not only packet losses but also extended service interruptio ...
... have peaked and yet end users want higher and higher quality through the use of lossless compression formats on more unstable network topologies. When receiving streaming media over a low bandwidth wireless connection, users can experience not only packet losses but also extended service interruptio ...
Selling an Idea or a Product
... a situation where it cannot continue until some other site (usually the coordinator) recovers. How could this happen? – Participant site B writes a “prepared to commit” record to its log, sends a “yes” vote to the coordinator (site A) and crashes. – Site A crashes – Site B wakes up, checks its log a ...
... a situation where it cannot continue until some other site (usually the coordinator) recovers. How could this happen? – Participant site B writes a “prepared to commit” record to its log, sends a “yes” vote to the coordinator (site A) and crashes. – Site A crashes – Site B wakes up, checks its log a ...
Adaptive Fairness through intra-ONU Scheduling for Ethernet
... and is dependant on the weight assigned to each ONU based on the SLA between the service provider (SP) and users. There are two ways to assign transmission windows via the excess bandwidth, namely Controlled Excess (CE) and UnControlled Excess (UE) allocation schemes [4]. In UE scheme, the OLT colle ...
... and is dependant on the weight assigned to each ONU based on the SLA between the service provider (SP) and users. There are two ways to assign transmission windows via the excess bandwidth, namely Controlled Excess (CE) and UnControlled Excess (UE) allocation schemes [4]. In UE scheme, the OLT colle ...
OSI Network Layer - Seneca - School of Information
... Select the ‘Best Path’ for data delivery Switch packet out the proper port Routers use the Network portion of the IP address to forward packets. They don’t care about the EXACT host, just the EXACT network. ...
... Select the ‘Best Path’ for data delivery Switch packet out the proper port Routers use the Network portion of the IP address to forward packets. They don’t care about the EXACT host, just the EXACT network. ...
Chapter 4 Review Questions
... 138.76.29.7 and some destination port number, say, x. When the NAT receives this TCP SYN packet, it doesn’t know to which internal host it should direct the packet, since it doesn’t have an entry for a connection initiated from the WAN side. Thus the NAT will drop the SYN packet. b) There is an exis ...
... 138.76.29.7 and some destination port number, say, x. When the NAT receives this TCP SYN packet, it doesn’t know to which internal host it should direct the packet, since it doesn’t have an entry for a connection initiated from the WAN side. Thus the NAT will drop the SYN packet. b) There is an exis ...
www.ijecs.in International Journal Of Engineering And Computer Science ISSN:2319-7242
... Abstract:A Mobile Ad-Hoc Network (MANET) is a collection of wireless mobile hosts that are arbitrarily located and lack any infrastructure and centralized administration. In MANET, routing protocols are used to provide the specific path for sending the data packets. By growing the use of real-time a ...
... Abstract:A Mobile Ad-Hoc Network (MANET) is a collection of wireless mobile hosts that are arbitrarily located and lack any infrastructure and centralized administration. In MANET, routing protocols are used to provide the specific path for sending the data packets. By growing the use of real-time a ...
PPT
... • Use other means to route setup request • Each router allocates flow ID on local link • Creates mapping of inbound flow ID/port to outbound flow ID/port ...
... • Use other means to route setup request • Each router allocates flow ID on local link • Creates mapping of inbound flow ID/port to outbound flow ID/port ...
Subtle Waves Template
... • IP traceback allows the victim to identify the attack sources even in the presence of IP spoofing • There are some traceback schemes have been proposed for Internet: ...
... • IP traceback allows the victim to identify the attack sources even in the presence of IP spoofing • There are some traceback schemes have been proposed for Internet: ...
tutorial7
... • The algorithm is robust for topology changes • However, it has 2 drawbacks: – Packets are flooded to the whole network on the periodic basis – All routers must keep state on a per-group and per-source basis ...
... • The algorithm is robust for topology changes • However, it has 2 drawbacks: – Packets are flooded to the whole network on the periodic basis – All routers must keep state on a per-group and per-source basis ...
Lecture-6 on 10/13/2009
... – if application generates chunks of 160 encoded samples, then timestamp increases by 160 for each RTP packet when source is active. Timestamp clock continues to increase at constant rate when source is inactive. ...
... – if application generates chunks of 160 encoded samples, then timestamp increases by 160 for each RTP packet when source is active. Timestamp clock continues to increase at constant rate when source is inactive. ...
Q and A for Ch. 17
... Q: What exactly is “analog” (what kinds of devices use it) and how does it amplify in repeater devices for long distances? And why do repeaters now use infrared receivers? A: Analog is voltages on a wire – not interpreted into bits or frames. It means it is layer 1. Repeaters simply operate at layer ...
... Q: What exactly is “analog” (what kinds of devices use it) and how does it amplify in repeater devices for long distances? And why do repeaters now use infrared receivers? A: Analog is voltages on a wire – not interpreted into bits or frames. It means it is layer 1. Repeaters simply operate at layer ...
Question 55 - classes.cs.uchicago.edu
... A state government wants to update their voice services to Voice Over IP (VOIP). The major drivers for his initiative are: - Cost reduction (single large capital expense, substantial reduction in maintenance) - Simplified maintenance, single system to maintain for voice and data - Ability to provide ...
... A state government wants to update their voice services to Voice Over IP (VOIP). The major drivers for his initiative are: - Cost reduction (single large capital expense, substantial reduction in maintenance) - Simplified maintenance, single system to maintain for voice and data - Ability to provide ...
Review for Quiz-1 - Communications Systems Center (CSC)
... – Can be maintained by organization or service provider • Local DNS servers: organization’s DNS servers located on various subnets to provide DNS lookups for hosts on the subnet. May not be accessible from outside the subnet. Their IP addresses are part of the host's network configuration (manual se ...
... – Can be maintained by organization or service provider • Local DNS servers: organization’s DNS servers located on various subnets to provide DNS lookups for hosts on the subnet. May not be accessible from outside the subnet. Their IP addresses are part of the host's network configuration (manual se ...