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TechRepublic Resources
- Manage network broadcasts on Cisco switches using storm control
- It's important to protect your organization's LAN from broadcast storms, which can cause network slowdowns if they become severe. David Davis explains how you can easily and quickly defend your network by configuring storm control on each Cisco switch interface. Network broadcasts can create a huge amount of traffic...
- Tags: Cisco Systems Inc., NETWORKING, LANs, David Davis CCIE, MCSE+I, SCSA, network, unicast, Cisco Routers and Management Newsletter, Cisco Catalyst, Broadcast, David Davis
- Technical articles 2007-03-22
- DHCP Will not Renew on Cable Modem
- I have an Arris CM450 cable modem which I use to connect to the internet and lately I've been having trouble with it dropping the signal. I today the modem has tried to aquire a new IP from my ISP DHCP but has been unsuccessful 2500 and counting. The internet...
- Tags: DHCP, eraser3498@..., hardware, cable, cable modem, DHCP Server, Unicast, Internet Service Provider, IP, modem
- Q&A 2006-07-16
Additional Resources
- Unlimited mobile TV for the mass market
- Mobile TV is already booming on existing cellular infrastructures in unicast mode. But unicast is not optimized to deliver the same content to many users at the same time, and this prevents mass-market deployment. Overlay broadcast networks are necessary for mass access to mainstream TV channels through mobile devices. ...
- Tags: Mobile, Mobile TV, Alcatel, TVs, Tv & Home Theater, Personal Technology, Home Entertainment
- White papers 2006-02-10
- Fair Bandwidth Sharing Between Unicast and Multicast Flows in Best-Effort Networks
- This paper proposes a simple scheduler called SBQ (Service-Based Queuing) to share the bandwidth fairly between unicast and multicast flows according to a new definition of fairness referred as the inter-service fairness. The paper also describes a new active queue management mechanism called MFQ Multicast Fair Queuing to fairly share...
- Tags: Bandwidth, Computer Science, Fairness
- White papers 2007-01-01
- SBQ: A Simple Scheduler for Fair Bandwidth Sharing Between Unicast and Multicast Flows
- This paper proposes a simple scheduler called SBQ (Service-Based Queuing) to share the bandwidth fairly between unicast and multicast flows according to a new definition of fairness referred as the inter-service fairness. The paper utilizes the recently proposed active queue management mechanisms MFQ Multicast Fair Queuing to fairly share the...
- Tags: Bandwidth, Springer Science+Business Media, Fairness
- White papers 2007-01-01
- The Multimessage Unicast Capacity Region for Bidirectional Ring Networks
- Motivated by the practical importance of ring topologies, the authors consider the capacity region of several simultaneous unicast sessions along a bidirectional ring network. The problem is an extension of the classical multicommodity flow problem in which one seeks to determine if a collection of traffic rates can be feasibly...
- Tags: Network, Problem, IEEE, Networking
- White papers 2006-07-14
- Cisco Infrastructure Powers IPv6 Research Network
- The Grid and Next-Generation Network GrangeNet is a government-funded, high-performance research network with Points Of Presence POPs in Brisbane, Sydney, Canberra, and Melbourne, Australia. The company wanted to make IP telephony, unicast, multicast, and other mobile and peer-to-peer applications possible and more efficient among member research universities in Australia and...
- Tags: IPv6, Network, Cisco Systems Inc., Networking, Telecommunications
- Case studies 2006-02-01
- A Dynamic Stateful Multicast Firewall
- Enterprises are faced with the challenge of enabling IP multicast applications without exposing their network to multicast denial-of-service attacks. Current practice is to use firewalls and manually configure them on a per-multicast-session basis. This imposes a high work-load on the network administrator, and severely reduces flexibility for end-users. This paper...
- Tags: Firewalls, Network Security, Security, Networking
- White papers 2007-02-24
- High-Throughput Multicast Routing Metrics in Wireless Mesh Networks
- The stationary nature of nodes in a mesh network has shifted the main design goal of routing protocols from maintaining connectivity between source and destination nodes to finding high-throughput paths between them. Lately, numerous link-quality based routing metrics have been proposed for choosing high-throughput paths for unicast protocols. This paper...
- Tags: Purdue University, Metrics, Network, Wireless, Mesh Networking, Networking
- White papers
- Establishing a Trade-Off Between Unicast and Multicast Retransmission Modes for Reliable Multicast Protocols
- The conventional approach to reliable multicast in computer networks relies on the retransmission on demand of lost packets. Existing multicast protocols adopt a static packet retransmission scheme unicast or multicast to retransmit these packets, often leading to performance loss due to wasting bandwidth resources. This is worse if it consider...
- Tags: Mobile, Network, Advertising & Promotion, Wi-Fi, Wireless, Networking, Marketing
- White papers
- LAN messenger (zip)
- Simulate the Net Send Command in windows Send BroadCast, Multicast, Unicast messages Works in Active Directory Domains and in workgroups. Very useful tool for network administrators to inform all networks users with urgent information at the same time.
- Tags: Microsoft Windows Active Directory, LANs, Directory Services, Networking, Productivity, Construction, Network Administration, Enterprise Software, Software
- Software downloads 2006-12-29
- Authentication / VPN advice sought for access to streaming port please
- Hi all, I came here by accident whilst searching for a solution to authenticate a live stream unicast. (There are only 2 PC's involved)I'm using Windows Media Encoder 64-bit which does not provide any sort of authentication to log onto the stream.
- Tags: networking, security, software, stephen.cordner@..., VPN
- Discussion threads 2006-11-13
- Broadcast
- can 255.255.255.255 be forwarded by a router, all nodes and all networks , or the router can only Multicast and unicast.
- Tags: Routers & switches, Network technology, NETWORKING, mohan_jan1984@...
- Discussion threads 2007-07-24
- Cisco Wireless Controllers, not the iPhone, created the ARP Storm
- I wrote a blog last week about how the Apple iPhone was suspected of creating conditions similar to a Denial-of-Service Attack DoS attack on the wireless network of Duke University. Initially Duke University opened help tickets with both Apple and Cisco. As it turns out, it was not the iPhone...
- Tags: Wireless, iPhone
- Blog posts 2007-07-26
- VLC Media Player (dmg)
- VLC initially VideoLAN Client is a highly portable multimedia player for various audio and video formats, including MPEG-1, MPEG-2, MPEG-4, DivX, MP3, and OGG, as well as for DVDs, VCDs, and various streaming protocols. It also can be used as a server for unicast or multicast streams in IPv4 or...
- Tags: Microsoft Windows Media Player, Multimedia, VideoLAN Project, Digital Video, Digital Media, Networking, Personal Technology, Consumer Electronics
- Software downloads 2008-06-12
- Windows Media Services
- Hi Guys, I am having some problems with Windows Media Services on 2000 Server. I am trying to unicast one single file to more than 3 people at a time and the system does not let me do that. The media is embedded into the IE and the file seems...
- Tags: Windows Media, Windows Media Services, hydveda@..., windows, Microsoft Windows
- Q&A 2006-04-23
- Overview of QoS Routing
- QoS routing has been recognized as an important part in the evolution of QoS service offerings in the network. The goal of routing solutions is twofold: satisfying the QoS requirements for every admitted connection, and achieving global efficiency in resource utilization. This paper describes some of QoS-based routing issues and...
- Tags: QoS
- White papers 2008-01-01
- PIM-SM Multicast Routing Protocol
- This paper is an introduction to the PIM-SM multicast routing protocol, concentrating on version 2. It is intended for IT managers who are already familiar with multicasting, and who want an overview before reading the PIM-SM RFC. PIM-SM was designed to operate efficiently across wide area networks, where groups are...
- Tags: Routing Protocol, Networking
- White papers
- Network Monitoring: It Depends on Your Points of View
- End-to-end active network monitoring infers network characteristics by sending and collecting probe packets from the network edge, while probes traverse the network through multicast trees or a mesh of unicast paths. Most reported methods consider given source and receiver locations and study the path selection and the associated estimation algorithms....
- Tags: Network, Network Monitoring, Networking
- White papers 2007-01-24
- Pipelined Broadcast on Ethernet Switched Clusters
- This paper considers unicast-based pipelined broadcast schemes for clusters connected by multiple Ethernet switches. By splitting a large broadcast message into segments and broadcasting the segments in a pipelined fashion, pipelined broadcast may achieve very high performance. Algorithms are developed for computing various contention-free broadcast trees on Ethernet switched clusters...
- Tags: Florida State University, Ethernet, Network Technology, Networking
- White papers 2008-01-01
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