Communication among countries
... World geography and communication(3) • Although the maps are built solely by plotting these positions, a recognizable world map is generated. • We find that North America, Europe, and Japan are very dense, with many users from those regions using Messenger. • For the rest of the world, the populati ...
... World geography and communication(3) • Although the maps are built solely by plotting these positions, a recognizable world map is generated. • We find that North America, Europe, and Japan are very dense, with many users from those regions using Messenger. • For the rest of the world, the populati ...
GSMA Presence Best Practice Optimization Guidelines
... This document provides Mobile Network Operators and Vendors with guidelines on best practices, including recommended presence optimizations, which are applicable to OMA SIMPLE PRESENCE [Presence], [Presence2.0_TS] based services as defined in the RCS specifications. These recommendations are provide ...
... This document provides Mobile Network Operators and Vendors with guidelines on best practices, including recommended presence optimizations, which are applicable to OMA SIMPLE PRESENCE [Presence], [Presence2.0_TS] based services as defined in the RCS specifications. These recommendations are provide ...
Proposal for CJK working documents of NGN-GSI
... RTCP based Performance Evaluation Tests Firstly, go forward with RTCP based performance evaluation tests described in Y.mpm Appendix II RTCP covers major metrics ...
... RTCP based Performance Evaluation Tests Firstly, go forward with RTCP based performance evaluation tests described in Y.mpm Appendix II RTCP covers major metrics ...
Course Notes
... • Distance Vector Routing: each node exchanges information with its neighboring nodes; e.g. Routing Information Protocol (RIP). • Link-state Routing: sends link costs of each of its network interfaces to all routers (not just neighboring). Typically used with a Dijksterabased algorithm; e.g., Open S ...
... • Distance Vector Routing: each node exchanges information with its neighboring nodes; e.g. Routing Information Protocol (RIP). • Link-state Routing: sends link costs of each of its network interfaces to all routers (not just neighboring). Typically used with a Dijksterabased algorithm; e.g., Open S ...
network
... – When packet arrives at home network, router that gets it sends ARP request for that IP address. – Home agent replies with its own Ethernet address. It gets the packet, and tunnels it to foreign agent. Foreign agent delivers packet to mobile host. – Home agent sends care-of address to sender, so fu ...
... – When packet arrives at home network, router that gets it sends ARP request for that IP address. – Home agent replies with its own Ethernet address. It gets the packet, and tunnels it to foreign agent. Foreign agent delivers packet to mobile host. – Home agent sends care-of address to sender, so fu ...
PresentationMobileIP
... – Requires no changes to software of non-mobile hosts/routers – Requires addition of some infrastructure – Has no geographical limitations – Requires no modifications to IP addresses or IP address format – Supports security • Could be even more important than physically connected routing ...
... – Requires no changes to software of non-mobile hosts/routers – Requires addition of some infrastructure – Has no geographical limitations – Requires no modifications to IP addresses or IP address format – Supports security • Could be even more important than physically connected routing ...
Goal of VPN
... – Build a virtual overlay network that is run on top of the infrastructure of the Internet – “Virtual” means that there is not new infrastructure – Connect private networks by the overlay networks ...
... – Build a virtual overlay network that is run on top of the infrastructure of the Internet – “Virtual” means that there is not new infrastructure – Connect private networks by the overlay networks ...
CS335 Networking & Network Administration
... also reported via ICMP. Announce network congestion. When a router begins buffering too many packets, due to an inability to transmit them as fast as they are being received, it will generate ICMP Source Quench messages. Directed at the sender, these messages should cause the rate of packet transmis ...
... also reported via ICMP. Announce network congestion. When a router begins buffering too many packets, due to an inability to transmit them as fast as they are being received, it will generate ICMP Source Quench messages. Directed at the sender, these messages should cause the rate of packet transmis ...
LDAP- Lightweight Directory Access Protocol
... Client requests information. Server1 returns referral to server2 Client resend request to server2 Server2 returns information to client ...
... Client requests information. Server1 returns referral to server2 Client resend request to server2 Server2 returns information to client ...
Self-Organising Maps for User Communities
... Furthermore, location information is also important to some applications [Brusilovsky 01]. User modeling can be viewed as the process of constructing and applying (often computer based) models of individuals and (or) groups of users. User Modeling Systems consists of components that provide user mod ...
... Furthermore, location information is also important to some applications [Brusilovsky 01]. User modeling can be viewed as the process of constructing and applying (often computer based) models of individuals and (or) groups of users. User Modeling Systems consists of components that provide user mod ...
ISDN over IP
... Should your access be charged by Time or Volume, then we would suggest the setting of Dial Up "on Demand": This option offers a targeted connection to the Internet and makes sense to use if your internet connection is charged by time or data volume. Please note that some software may, now and then, ...
... Should your access be charged by Time or Volume, then we would suggest the setting of Dial Up "on Demand": This option offers a targeted connection to the Internet and makes sense to use if your internet connection is charged by time or data volume. Please note that some software may, now and then, ...
Lecture-10
... of various machines is done explicitly by: Remote logging into the appropriate remote machine (telnet, ssh) Transferring data from remote machines to local machines, via the ...
... of various machines is done explicitly by: Remote logging into the appropriate remote machine (telnet, ssh) Transferring data from remote machines to local machines, via the ...
Quality of Service in IP Networks
... 1 - Traffic Specification (Tspec) in Path messagefrom Sender profiles the data flow to be sent 2 -Path message flows downstream to receiver through each router hop . 3 - Receiver receives PATH request from sender. PATH request provides return path for RESV ...
... 1 - Traffic Specification (Tspec) in Path messagefrom Sender profiles the data flow to be sent 2 -Path message flows downstream to receiver through each router hop . 3 - Receiver receives PATH request from sender. PATH request provides return path for RESV ...
American Messaging Services Network Interface Guide
... Additionally, we cannot guarantee the security of e-mail messages delivered over the public Internet. In general, without specific security settings and delivery confirmation, the Internet can be a hostile environment for sending critical information. Therefore, American Messaging Services does not ...
... Additionally, we cannot guarantee the security of e-mail messages delivered over the public Internet. In general, without specific security settings and delivery confirmation, the Internet can be a hostile environment for sending critical information. Therefore, American Messaging Services does not ...
Lecture #22
... Part of project Athena (MIT). Trusted 3rd party authentication scheme. Assumes that hosts are not trustworthy. Requires that each client (each request for service) prove it’s identity. Does not require user to enter password every time a service is requested! ...
... Part of project Athena (MIT). Trusted 3rd party authentication scheme. Assumes that hosts are not trustworthy. Requires that each client (each request for service) prove it’s identity. Does not require user to enter password every time a service is requested! ...
Slide 1
... increases, so too does the number of network routes. These IPv4 routes consume a great deal of memory and processor resources on Internet routers. ...
... increases, so too does the number of network routes. These IPv4 routes consume a great deal of memory and processor resources on Internet routers. ...
Pizza Pizza improved their security, cost savings, and call quality via
... Having recently upgraded their internal phone network to internet-based Session Initiation Protocol (SIP) for calls to customer service agents and between other corporate users, Pizza Pizza decided they needed a SIP trunking solution for their external network as well. Since it allows Pizza Pizza to ...
... Having recently upgraded their internal phone network to internet-based Session Initiation Protocol (SIP) for calls to customer service agents and between other corporate users, Pizza Pizza decided they needed a SIP trunking solution for their external network as well. Since it allows Pizza Pizza to ...
Defending Primary User Emulation Attack in Cognitive Radio
... Currently it is assumed that, secondary users are honest in exchanging such information during collaborative spectrum sensing. But some malicious secondary users can report false sensing information about spectrum sensing in order to use vacant spectrum. Although collaborative spectrum sensing in dy ...
... Currently it is assumed that, secondary users are honest in exchanging such information during collaborative spectrum sensing. But some malicious secondary users can report false sensing information about spectrum sensing in order to use vacant spectrum. Although collaborative spectrum sensing in dy ...
RARP: Reverse Address Resolution Protocol
... to an initial value. Then each router along the path decrements the field by one. When the TTL reaches 0, the packet is discarded, and an ICMP error message is sent to the sender. This procedure addresses a potential robustness problem in IP routing. Sometimes a misconfigured router or a link failu ...
... to an initial value. Then each router along the path decrements the field by one. When the TTL reaches 0, the packet is discarded, and an ICMP error message is sent to the sender. This procedure addresses a potential robustness problem in IP routing. Sometimes a misconfigured router or a link failu ...
Chapter 7 - Lehigh CSE
... audio: < 150 msec good, < 400 msec OK • includes application-level (packetization) and network delays • higher delays noticeable, impair interactivity ...
... audio: < 150 msec good, < 400 msec OK • includes application-level (packetization) and network delays • higher delays noticeable, impair interactivity ...
A System Prototype for Data Leakage Monitoring in the Cloud
... Average number of bytes per second(nbps) = Number of bytes/ Duration Average number of bytes per packet(nbpp) = Number of Bytes/ Number of Packets ...
... Average number of bytes per second(nbps) = Number of bytes/ Duration Average number of bytes per packet(nbpp) = Number of Bytes/ Number of Packets ...
Mobile IP version 6
... After home registration, the MN should initiate a correspondent registration for each node that already appears in the MN’s Binding Update List The initiated procedures can be used to either update or delete binding information in the CN ...
... After home registration, the MN should initiate a correspondent registration for each node that already appears in the MN’s Binding Update List The initiated procedures can be used to either update or delete binding information in the CN ...
Lecture 1
... • Start delimiter has last 2 bits as 11 • Length of data field does not include any padding to get minimum size – In Ethernet II, is the Type field, value > 1500 • represents which memory buffer on dst it stored in = protocol of data field (IP = hex 0800) ...
... • Start delimiter has last 2 bits as 11 • Length of data field does not include any padding to get minimum size – In Ethernet II, is the Type field, value > 1500 • represents which memory buffer on dst it stored in = protocol of data field (IP = hex 0800) ...
Document
... One tunnel is associated to multiple MNs’ Binding Caches. Life-time of a tunnel should not be dependent on the life time of any single BCE. LMA’s Prefix-based Routing LMA will add prefix routes to MN’s home network prefix over the tunnel. ...
... One tunnel is associated to multiple MNs’ Binding Caches. Life-time of a tunnel should not be dependent on the life time of any single BCE. LMA’s Prefix-based Routing LMA will add prefix routes to MN’s home network prefix over the tunnel. ...