performance-definitions
... Created by an application, handed over to the OS, passed to a network card (NIC), encoded, transmitted over a physical medium (copper, fibre, air), received by an intermediate device (switch, router), analyzed, retransmitted over another ...
... Created by an application, handed over to the OS, passed to a network card (NIC), encoded, transmitted over a physical medium (copper, fibre, air), received by an intermediate device (switch, router), analyzed, retransmitted over another ...
Toward an IPv6 world in mobile networks – mechanisms
... bugs have been removed. The native dual-stack model is shown in Figure 1. Here the entire network – from the UE to the servers running the services – supports both IPv4 and IPv6. Services can be accessed using either protocol, depending on which one is supported by the particular service. If NAT44 i ...
... bugs have been removed. The native dual-stack model is shown in Figure 1. Here the entire network – from the UE to the servers running the services – supports both IPv4 and IPv6. Services can be accessed using either protocol, depending on which one is supported by the particular service. If NAT44 i ...
Cisco PIX 535 Security Appliance
... • Support for dynamically addressed appliances Additional integrated event management and inventory solutions are also available as part of the CiscoWorks VMS network management suite. The integrated Cisco PIX Device Manager provides an intuitive, Web-based management interface for remotely configur ...
... • Support for dynamically addressed appliances Additional integrated event management and inventory solutions are also available as part of the CiscoWorks VMS network management suite. The integrated Cisco PIX Device Manager provides an intuitive, Web-based management interface for remotely configur ...
Routing Information Protocol
... It is not intended for use in more complex environments. For more information on the context into which RIP is expected to fit, see Braden and Postel [3]. RIP is one of a class of algorithms known as "distance vector algorithms". The earliest description of this class of algorithms known to the auth ...
... It is not intended for use in more complex environments. For more information on the context into which RIP is expected to fit, see Braden and Postel [3]. RIP is one of a class of algorithms known as "distance vector algorithms". The earliest description of this class of algorithms known to the auth ...
Performance Evaluation of a QoS-Aware Handover Mechanism Steffen Sroka , Holger Karl
... are possible over a wireless channel). Providing such guarantees using IP-based networks is still a challenging task: Much research has been done on QoS in fixed IP networks, but how to support QoS guarantees in a mobile IP network is not clear; even the precise notion of such a requirement is not e ...
... are possible over a wireless channel). Providing such guarantees using IP-based networks is still a challenging task: Much research has been done on QoS in fixed IP networks, but how to support QoS guarantees in a mobile IP network is not clear; even the precise notion of such a requirement is not e ...
Dr. Multicast: Rx for Data Center Communication Scalability
... 2. IPMC Scalability Problems In this section we touch upon the factors that combine to limit IPMC group scalability in data centers. 2.1 Tragedy of the Commons A tragedy of the commons is said to occur when an individually effective tactic (grazing one’s sheep on the commons, in the original formula ...
... 2. IPMC Scalability Problems In this section we touch upon the factors that combine to limit IPMC group scalability in data centers. 2.1 Tragedy of the Commons A tragedy of the commons is said to occur when an individually effective tactic (grazing one’s sheep on the commons, in the original formula ...
L28-sb-net-disks - EECS Instructional Support Group Home Page
... Protocol Family Concept • Key to protocol families is that communication occurs logically at the same level of the protocol, called peer-to-peer… …but is implemented via services at the next lower level • Encapsulation: carry higher level information within lower level “envelope” • Fragmentation: b ...
... Protocol Family Concept • Key to protocol families is that communication occurs logically at the same level of the protocol, called peer-to-peer… …but is implemented via services at the next lower level • Encapsulation: carry higher level information within lower level “envelope” • Fragmentation: b ...
PPT
... • Modify the IP prefixes associated with a route – Can blackhole traffic to certain IP prefixes ...
... • Modify the IP prefixes associated with a route – Can blackhole traffic to certain IP prefixes ...
Lecture-9 on 10/22/2009 - Computer Science and Engineering
... • web browsers do this • example: link of rate R supporting 9 connections; – new app asks for 1 TCP, gets rate R/10 – new app asks for 11 TCPs, gets R/2 ! ...
... • web browsers do this • example: link of rate R supporting 9 connections; – new app asks for 1 TCP, gets rate R/10 – new app asks for 11 TCPs, gets R/2 ! ...
DutyCon: A dynamic duty-cycle control approach to end
... Several protocols have been proposed for providing delay guarantees for wireless sensor and ad hoc networks. Implicit EDF [Caccamo et al. 2002] is a collision-free scheduling scheme which provides delay guarantees by exploiting the periodicity of WSN traffic. RAP [Lu et al. 2002] uses a velocity mon ...
... Several protocols have been proposed for providing delay guarantees for wireless sensor and ad hoc networks. Implicit EDF [Caccamo et al. 2002] is a collision-free scheduling scheme which provides delay guarantees by exploiting the periodicity of WSN traffic. RAP [Lu et al. 2002] uses a velocity mon ...
ppt - Stanford University
... Address classes were too “rigid”. For most organizations, Class C were too small and Class B too big. Led to inefficient use of address space, and a shortage of addresses. Organizations with internal routers needed to have a separate (Class C) network ID for each link. And then every other router in ...
... Address classes were too “rigid”. For most organizations, Class C were too small and Class B too big. Led to inefficient use of address space, and a shortage of addresses. Organizations with internal routers needed to have a separate (Class C) network ID for each link. And then every other router in ...
The BlueZ towards a wireless world of penguins
... into the Linux kernel as part of the network subsystem. It provides its own protocol family and uses the socket interface. This basic design makes it easy for application to adapt the Bluetooth technology and the integration is simple and straight forward. The use of different Bluetooth hardware is ...
... into the Linux kernel as part of the network subsystem. It provides its own protocol family and uses the socket interface. This basic design makes it easy for application to adapt the Bluetooth technology and the integration is simple and straight forward. The use of different Bluetooth hardware is ...
fast rerouting - CSE Labs User Home Pages
... – OC48 link down for 6 seconds: 3 million packets may be lost! – significant impact on applications such as VoIP, on-line gamiing CSci5221: ...
... – OC48 link down for 6 seconds: 3 million packets may be lost! – significant impact on applications such as VoIP, on-line gamiing CSci5221: ...
the document - Support
... lower)/MD2/MD4/MD5 (in digital signature scenarios and password encryption)/SHA1 (in digital signature scenarios) have a low security, which may bring security risks. If protocols allowed, using more secure encryption algorithms, such as AES/RSA (RSA-2048 or higher)/SHA2/HMAC-SHA2 is recommended. ...
... lower)/MD2/MD4/MD5 (in digital signature scenarios and password encryption)/SHA1 (in digital signature scenarios) have a low security, which may bring security risks. If protocols allowed, using more secure encryption algorithms, such as AES/RSA (RSA-2048 or higher)/SHA2/HMAC-SHA2 is recommended. ...
Computer networks
... Service provided by a layer may be kinds of either: • Connection-oriented, must be set up for ongoing use (and torn down after use), e.g., phone call • Connectionless, messages are handled separately, ...
... Service provided by a layer may be kinds of either: • Connection-oriented, must be set up for ongoing use (and torn down after use), e.g., phone call • Connectionless, messages are handled separately, ...
Lecture 3 TCP/IP model
... Internet Protocol IP is the network layer packet delivery service (host-to-host). translation between different data-link protocols IP provides connectionless, unreliable delivery ...
... Internet Protocol IP is the network layer packet delivery service (host-to-host). translation between different data-link protocols IP provides connectionless, unreliable delivery ...
Slide 1
... Service provided by a layer may be kinds of either: • Connection-oriented, must be set up for ongoing use (and torn down after use), e.g., phone call • Connectionless, messages are handled separately, ...
... Service provided by a layer may be kinds of either: • Connection-oriented, must be set up for ongoing use (and torn down after use), e.g., phone call • Connectionless, messages are handled separately, ...
Review, Performance Metrics, Cont…
... —Well suited for non-real-time, bursty traffic —2 types of packet switching, connectionless and connection oriented: ...
... —Well suited for non-real-time, bursty traffic —2 types of packet switching, connectionless and connection oriented: ...
IDS definition and classification
... Overview of IDS/IPS • A complete IPS solution usually has the capability of enforcing traditional static firewall rules and operator-defined whitelists and blacklists. • IPS are very resource intensive. In order to operate with high performance, they should be implemented by means of the best hardw ...
... Overview of IDS/IPS • A complete IPS solution usually has the capability of enforcing traditional static firewall rules and operator-defined whitelists and blacklists. • IPS are very resource intensive. In order to operate with high performance, they should be implemented by means of the best hardw ...
S D x oftware
... • Opportunity to process packets and control routing decisions remotely • Example – Prevent selection of paths via problematic ASes – DDoS Squelching ...
... • Opportunity to process packets and control routing decisions remotely • Example – Prevent selection of paths via problematic ASes – DDoS Squelching ...
BitTorrent file sharing using Tor-like hidden services R.J. Ruigrok Technology
... essentially futile. This work contributes the goal of making file-sharing a Putin-proof experience, with nobody knowing who you are and what you’re doing. ...
... essentially futile. This work contributes the goal of making file-sharing a Putin-proof experience, with nobody knowing who you are and what you’re doing. ...
IOSR Journal of Electronics and Communication Engineering (IOSR-JECE)
... configured through software. Without VLANs, grouping hosts according to their resource needs necessitates the labor of relocating nodes or rewiring data links. VLANs can also help create multiple layer 3 networks on a single physical infrastructure [1]. For example, if a DHCP server is plugged into ...
... configured through software. Without VLANs, grouping hosts according to their resource needs necessitates the labor of relocating nodes or rewiring data links. VLANs can also help create multiple layer 3 networks on a single physical infrastructure [1]. For example, if a DHCP server is plugged into ...
Image Indexing and Retrieval
... Clip2 found a scalability barrier with substantial performance degradation if queries/sec > 10: 10 queries/sec * 560 bits/query * 4 (to account for the other 3 quarters of message traffic) * 3 simultaneous connections 67,200 bps 10 queries/sec maximum in the presence of many dialup users won’t i ...
... Clip2 found a scalability barrier with substantial performance degradation if queries/sec > 10: 10 queries/sec * 560 bits/query * 4 (to account for the other 3 quarters of message traffic) * 3 simultaneous connections 67,200 bps 10 queries/sec maximum in the presence of many dialup users won’t i ...