Backhauling X2 - Cambridge Broadband Networks
... Handover is required when a UE moves between coverage areas of different eNodeBs. Note that in 3GPP standards terminology, “mobility” refers to handover, and not just the general movement of a user. 3G systems used a make-before-break „soft handover‟ to ensure connectivity was maintained as users mo ...
... Handover is required when a UE moves between coverage areas of different eNodeBs. Note that in 3GPP standards terminology, “mobility” refers to handover, and not just the general movement of a user. 3G systems used a make-before-break „soft handover‟ to ensure connectivity was maintained as users mo ...
Slide 1
... Origin of Wireless Communications • Wireless communications gained popularity in 1930’s – Mainly used for public safety by police and other government organizations – Not connected to the PSTN (Public Switching Telephone Networks) ...
... Origin of Wireless Communications • Wireless communications gained popularity in 1930’s – Mainly used for public safety by police and other government organizations – Not connected to the PSTN (Public Switching Telephone Networks) ...
Week_One_ppt - Computing Sciences
... Advantages of using the OSI layered model are: Allows multiple-vendor development through standardization of network components. Allows various types of network hardware and software to communicate. Allows changes in one layer from affecting other layers, so it doesn’t hamper development. ...
... Advantages of using the OSI layered model are: Allows multiple-vendor development through standardization of network components. Allows various types of network hardware and software to communicate. Allows changes in one layer from affecting other layers, so it doesn’t hamper development. ...
Moblie IP
... – 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 ...
ppt
... RIP and subnet mask Does not use subnet masks Exception: If the router is configured with a subnet mask, it will assume that mask for the network. In picture, 172.16.0.0 is class B. But is being used as a class C. As long as all routers have /24 mask, RIP will “do the right thing”. ...
... RIP and subnet mask Does not use subnet masks Exception: If the router is configured with a subnet mask, it will assume that mask for the network. In picture, 172.16.0.0 is class B. But is being used as a class C. As long as all routers have /24 mask, RIP will “do the right thing”. ...
ppt - University of Alberta
... networks, ATM networks, etc. are all ‘virtual’, logical abstractions implemented within the transport network. • The transport network sits “just above” the physical transmission systems in a layering sense. • Individual switched connections, leased lines, pipes between IP routers, etc. do not “make ...
... networks, ATM networks, etc. are all ‘virtual’, logical abstractions implemented within the transport network. • The transport network sits “just above” the physical transmission systems in a layering sense. • Individual switched connections, leased lines, pipes between IP routers, etc. do not “make ...
Presentaion
... almost impossible to find a mobile system, DNS updates take to long time TCP connections break, security problems ...
... almost impossible to find a mobile system, DNS updates take to long time TCP connections break, security problems ...
Local Area Networks
... • Network cables are terminated with RJ45 connectors (they look similar to telephone cables, but connectors are a bit larger) – Category 5 or 6 UTP recommended • Maximum length of about 100 meters (328 feet) ...
... • Network cables are terminated with RJ45 connectors (they look similar to telephone cables, but connectors are a bit larger) – Category 5 or 6 UTP recommended • Maximum length of about 100 meters (328 feet) ...
Slide 1
... • WebRTC is being designed by: – IETF (for overall WebRTC design, Media plane, and security framework) – W3C (HTML5/JavaScript APIs) – 3GPP (to integrate WebRTC into IP Management Subsystem) to interoperate with Telecom infrastructure ...
... • WebRTC is being designed by: – IETF (for overall WebRTC design, Media plane, and security framework) – W3C (HTML5/JavaScript APIs) – 3GPP (to integrate WebRTC into IP Management Subsystem) to interoperate with Telecom infrastructure ...
Create a standard ACL that will deny traffic from 192
... answer is included so as to differentiate them. Assuming the ACL in the graphic is correctly applied to an interface, Graphic has 2 commands Access-list 147 deny tcp 172.16.0.0 0.0.255.255 any eq23 Access-list 147 permit any any First answer All traffic to network 172.16.0.0 will be denied. Assuming ...
... answer is included so as to differentiate them. Assuming the ACL in the graphic is correctly applied to an interface, Graphic has 2 commands Access-list 147 deny tcp 172.16.0.0 0.0.255.255 any eq23 Access-list 147 permit any any First answer All traffic to network 172.16.0.0 will be denied. Assuming ...
Network Protocols
... Control Message Protocol Works with the IP layer to provide error checking and reporting Tools to provide best-delivery PING Used for error reporting, flow control, and route testing ...
... Control Message Protocol Works with the IP layer to provide error checking and reporting Tools to provide best-delivery PING Used for error reporting, flow control, and route testing ...
Slide 1
... An extended star topology links individual stars together by connecting the hubs and/or switches.This topology can extend the scope and coverage of the network. ...
... An extended star topology links individual stars together by connecting the hubs and/or switches.This topology can extend the scope and coverage of the network. ...
Security Aspects of Internet Related Software Engineering
... Network Security: Virtual Private Networks • Public network (Internet) is used as a private network • All members of the private network use encryption to communicate with other members of the private network • Allows for inexpensive access to individuals being remotely located • Encryption of netw ...
... Network Security: Virtual Private Networks • Public network (Internet) is used as a private network • All members of the private network use encryption to communicate with other members of the private network • Allows for inexpensive access to individuals being remotely located • Encryption of netw ...
ppt
... Targets: Target nodes wish to receive transmissions from validated sources and wish to be protected from phony (i.e., un-authenticated) transmissions. Heavy filtering is applied in the immediate vicinity of the target to protect it from unwanted traffic. Secret Servlets: Nodes that participate on th ...
... Targets: Target nodes wish to receive transmissions from validated sources and wish to be protected from phony (i.e., un-authenticated) transmissions. Heavy filtering is applied in the immediate vicinity of the target to protect it from unwanted traffic. Secret Servlets: Nodes that participate on th ...
Chapter 5 - CMPE150, Winter 17, Section 01
... Suppose node A begins transmitting a frame and, before it finishes, node B begins transmitting a frame. Can A finish transmitting before it detects that B has transmitted? Why or why not? If the answer is yes, then A incorrectly believes that its frame was success- fully transmitted without a collis ...
... Suppose node A begins transmitting a frame and, before it finishes, node B begins transmitting a frame. Can A finish transmitting before it detects that B has transmitted? Why or why not? If the answer is yes, then A incorrectly believes that its frame was success- fully transmitted without a collis ...
routing-3
... 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 ...
Notable Issues
... – Routers periodically exchange this information to other routers in the network – Preferred over distance vector protocols because they converge quicker ...
... – Routers periodically exchange this information to other routers in the network – Preferred over distance vector protocols because they converge quicker ...
ch01_CE - SaigonTech
... • Computers must have a networking protocol in common to communicate, and they must include networking SW that knows how to use the protocol to send/receive information across a network • Networks deliver services, such as file sharing, printing, e-mail, and messaging services, to users Guide to Net ...
... • Computers must have a networking protocol in common to communicate, and they must include networking SW that knows how to use the protocol to send/receive information across a network • Networks deliver services, such as file sharing, printing, e-mail, and messaging services, to users Guide to Net ...
How to Build Complex, Large-Scale Emulated Networks Hung Nguyen Matthew Roughan Simon Knight
... such as BIND for DNS services, or the Quagga routing suite. Quagga provides an implementation of common routing protocols, allowing a Linux system to function as an IP router. Netkit provides a set of tools to manage the process of setting up and launching a UML virtual system. Once an emulated netw ...
... such as BIND for DNS services, or the Quagga routing suite. Quagga provides an implementation of common routing protocols, allowing a Linux system to function as an IP router. Netkit provides a set of tools to manage the process of setting up and launching a UML virtual system. Once an emulated netw ...
MS/TP Wiring Web Training from April 29, 2011
... Made up of various MS/TP networks back-boned by an IP network Each i-Vu Open server USB based MS/TP Network can have a maximum of 60 nodes. Each MS/TP network is made up of segments. Maximum length of one segment is 2000 feet with 32 devices max per segment. ...
... Made up of various MS/TP networks back-boned by an IP network Each i-Vu Open server USB based MS/TP Network can have a maximum of 60 nodes. Each MS/TP network is made up of segments. Maximum length of one segment is 2000 feet with 32 devices max per segment. ...
Evolution of Network Services in a Large University an Italian case
... – Existing telecom infrastructures built over time represent a legacy more then an asset – Separate facilities for research, teaching, administration – Different proprietary solutions in each area ...
... – Existing telecom infrastructures built over time represent a legacy more then an asset – Separate facilities for research, teaching, administration – Different proprietary solutions in each area ...