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ZDNet Resources
- Capacity Allocation in Optical Networks Under Dynamic Lightpath Demands
- Efficient planning of optical networks requires an allocation of network capacity subject to certain economic or capacity constraints so that a forecasted network lightpath demand matrix or other performance objectives can be satisfied. Much research on optical networks has concentrated on static design, which aims to either minimize the maximal...
- Tags: Optical Network, Matrix, Network, Network Capacity, Allocation, Optical Society Of America, Fiber Optics, Optical Networking, Networking, Telecommunications
- White papers 2008-01-22
- How Cisco IT Uses NetFlow to Improve Network Capacity Planning
- Of all the issues faced by enterprise companies in managing their networks, capacity planning is one of the most important. More an art than a science until recently, network capacity planning is all about balancing the need to meet user performance expectations against the realities of capital budgeting. WAN bandwidth...
- Tags: Network, Information Technology, Network Capacity, Cisco Systems Inc., WAN Bandwidth, WANs, Networking
- Case studies 2007-12-17
- Adaptive CSMA for Scalable Network Capacity in High-Density WLANs
- Demand for mobile computing devices is unlikely to ebb any time soon. As individuals and businesses continue to use more throughput-hungry applications, High-Density Wireless Local Area Networks (HD-WLANs) designers will need to devise ways to improve network capacity by maximizing special reuse of channels. Tests by Intel researchers show that...
- Tags: Network, Network Capacity, Mobile Computing, WLAN, Intel Corp., Network Administration, Wireless LANs, Wireless, Handhelds, Networking, Hardware
- White papers 2006-10-01
- Perform effective VoIP network capacity planning
- Network engineers, analysts and administrators characterize network capacity as the amount of traffic the network is designed to handle. When discussing voice over Internet Protocol VoIP, network capacity becomes more a measure of how many simultaneous calls the network can process. This concept of "peak load", the maximum assumed volume...
- Tags: Network, Network Capacity, Telephony, VOIP, Networking, Telecommunications
- Download resources 2005-11-01
- On the Capacity of Mobile Ad Hoc Networks With Delay Constraints
- Previous work on ad hoc network capacity has focused primarily on source-destination throughput requirements for different models and transmission scenarios, with an emphasis on delay tolerant applications. In such problems, network capacity enhancement is achieved as a tradeoff with transmission delay. In this paper, the capacity of ad hoc networks...
- Tags: Mobile, Network, Network Capacity, Network Administration, Networking
- White papers 2005-10-10
- Transforming Network Capacity Planning From an Art to a Science
- As recently as 2000, Cisco relied almost exclusively on Simple Network Management Protocol SNMP to monitor overall WAN bandwidth utilization. Measuring overall traffic, however, does little to characterize network traffic, which is essential to deciding if additional capacity is warranted. Without knowing what types of traffic are using the network,...
- Tags: Network, Network Capacity, Cisco Systems Inc., Networking
- Case studies
- Shanghai Telecom Expands Network Capacity With Cisco CRS-1 to Support Business Growth
- Shanghai Telecom is China's leading broadband service supplier with more than 1.7 million broadband users and a large number of Internet data center users. To expand its data business and meet growing service and capacity needs, China Telecom is continuing its migration toward an entirely IP-based infrastructure and multiservice, providing...
- Tags: Cisco CRS-1, Network, Network Capacity, Broadband, IP, Cisco Systems Inc., Shanghai Telecom, Network Technology, Networking, Telecommunications
- Case studies
- Network Capacity Planning Saves Money, Improves Performance Across Cisco Systems
- Starting in 2000, bandwidth requirements at Cisco Systems began to double every 12 to 18 months, degrading performance on established circuits. Driving bandwidth consumption were voice over IP and video on demand, which share the network with more conventional business applications. Cisco developed a structured process for planning bandwidth requirements...
- Tags: Performance, Network, Network Capacity, Cisco Systems Inc., Bandwidth Requirement, Network Capacity Planning
- Case studies
Additional Resources
- Chicken, egg and mobile open source
- Mobile systems are not like server or client systems. The softare needs cooperation to work. The handset maker must load it, or allow it to be loaded. The network must, in most cases, approve the application. by Dana Blankenhorn
- Tags: Mobile, Network, Chicken, Mobile Open Source, Internet, Advertising & Promotion, Open Source, Marketing, Dana Blankenhorn
- Blog posts 2008-10-07
- CIO Sessions: Visa's Michael Dreyer
- Michael Dreyer, CIO of Visa talks to ZDNet correspondent Sumi Das about developing transaction technologies for its financial payment network including new wallet-less and contact-less payment solutions. Dreyer also discusses what it takes to process and handle more than 300 million transactions on a daily basis, and the company's response...
- Tags: Visa Inc., Payment, Operational Accounting, Finance, Larry Dignan
- Blog posts 2008-10-07
- Blogger ethics, public relations... and you
- Two different conversations that are connected at the core by the way the news media continues to grow and change. Bloggers have a significant responsibility in wielding their keystrokes, whether they have 10 readers or 10,000. Public relations professionals are still grappling with how to best work with this new...
- Tags: Ethics, Blogger, Public Relations Professional, Public Relations, Blogging, Marketing, Corporate Communications, Internet, Jennifer Leggio
- Blog posts 2008-10-07
- Visa CIO: Michael Dreyer
- Michael Dreyer, CIO of Visa talks to ZDNet correspondent Sumi Das about developing transaction technologies for its financial payment network including new wallet-less and contact-less payment solutions. Dreyer also discusses what it takes to process and handle more than 300 million transactions on a daily basis, and the company's response...
- Tags: Visa Inc., Payment, Operational Accounting, Finance, Administrator
- Blog posts 2008-10-07
- Does the Semantic Web matter?
- My business card reads 'Technology Evangelist,' and this is a blog about the Semantic Web. So that should be an unequivocal 'Yes!' then, right? However, it's frequently worthwhile to revisit and question presumptions, beliefs and 'truths,' and the Semantic Web that dominates so much of my working...
- Tags: Web, Semantic Web, Internet, Paul Miller
- Blog posts 2008-10-07
- Future wireless networks could be powered by "smart lighting"
- A light bulb went off in the head of researchers at Boston University about a new wireless networking technology, which was very appropriate considering that it involves, well, light bulbs. The Smart Lighting Engineering Research Center has been created to develop technology that would allow low-powered...
- Tags: Network, Light-emitting Diode, Wireless Networking, Wireless Network, Smart Lighting Engineering Research Center, Wi-Fi, Wireless, Networking, Sean Portnoy
- Blog posts 2008-10-07
- Student Technology Day: Steve Ballmer Q&A
- There was quite a lot to transcribe out, and many questions asked. Some questions put to Steve Ballmer, CEO of Microsoft, include: Will we always need programmers? What's Microsoft's input in Facebook and social networking? Does Microsoft have any changes in mind for their...
- Tags: India, Pyramid, Laughter, Network, Microsoft Office, Steve Ballmer, Product, Microsoft Corp., Programmer, Question, Microsoft Windows, Social Networking, Operating Systems, Software, Online Communications, Marketing, Advertising & Promotion, Zack Whittaker
- Blog posts 2008-10-06
- 46% of social networking users visited mobile social networks
- According to ABI Research, 46% of those who use social networks have also visited a social network through a mobile phone. Of these, nearly 70% have visited MySpace and another 67% had visited Facebook. No other social networking site reached 15% adoption mobile adoption. SHARETHIS.addEntry( { title: "46%...
- Tags: Mobile, Network, Social Networking, Online Communications, Marketing, Advertising & Promotion, AM
- Blog posts 2008-10-06
- LinkedIn and Xing set to benefit from downturn?
- One theory: LinkedIn, the social network for "professionals", could actually be benefiting from the downturn. That's because the site's value proposition really kicks in for those that have or fear that they might about to lose their job. by Steve O'Hear
- Tags: Job, LinkedIn, Benefit, Slogan, Recruitment & Selection, Human Resources, Workforce Management, Steve O\'Hear
- Blog posts 2008-10-06
- October promises to be hot month for Drupal, Mono, OpenOffice, Ubuntu
- October is promising to be a big month for open source releases. As the page on the calendar turned, Acquia launched of its commercially supported version of the popular Drupal open source social publishing system. And over the weekend, Novell-sponsored Mono project announced the...
- Tags: Mono, Ubuntu, Drupal, October, Linux, OpenOffice, .Net, Open Source, Development Tools, Operating Systems, Software, Office Suites, Software Development, Software/Web Development, Paula Rooney
- Blog posts 2008-10-06
- Welcome to the Data Cloud ?
- 'The Cloud' is increasingly prevalent in tech conversation these days. Stalwarts of the space such as Amazon and Salesforce go from strength to strength, whilst titans of an earlier model such as Larry Ellison and even Steve Ballmer now seek to appropriate the meme. New blogs like CloudAve play a...
- Tags: Web, Data, UKOLN, Channel Management, Internet, Semantic Web, Cloud Computing, Marketing, Paul Miller
- Blog posts 2008-10-06
- Why The Big Fuss Over Microblogs?
- I microblog.Why? The truth is, I learn by doing and by speaking with others who do. So I dabble with Twitter, Plurk, Pownce, Spoink, Rakawa, Tumblr, Utterli, Yammer, FriendFeed, 12seconds, and probably a few others that I signed up for and forgot to use. I have found a nice collection...
- Tags: Mobile, Fuss, Tool, Productivity, Web 2.0, Advertising & Promotion, Internet, Marketing, Gil Yehuda
- Blog posts 2008-10-06
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