News

Networking and communication

October 23, 2006 23 Oct'06
Comparing VoIP vendors

For many companies, the tough decision isn't whether to use IP telephony or not -- it's which vendor to choose. We've collected some of Carrie Higbie's tips and tricks for vendor selection, garnered from her "Ask-the-Expert" section. Carrie ...
October 23, 2006 23 Oct'06
Comparing VoIP vendors

For many companies, the tough decision isn't whether to use IP telephony or not -- it's which vendor to choose. We've collected some of Carrie Higbie's tips and tricks for vendor selection, garnered from her 'Ask-the-Expert' section. Carrie ...
October 22, 2006 22 Oct'06
EMC plays catch-up with Clariion

Clariion arrays now have support for both Fibre Channel and iSCSI in one box, as well as other features that competitors have been using against EMC for some time.
October 19, 2006 19 Oct'06
Xiotech, Pillar scale down, support iSCSI

Xiotech, Pillar introduce entry-level iSCSI arrays; Overland loses Dell deal; EMC and IBM report earnings.

October 16, 2006 16 Oct'06
Cisco ramps up unified communications tools

Cisco last week released a host of new products to enhance its suite of unified communications tools, including an IP phone that's easier for end users to accept.
October 15, 2006 15 Oct'06
Flaw found in Toshiba wireless device driver

Attackers could exploit a flaw in the Toshiba Bluetooth wireless device driver to cause a denial of service or launch malicious code on victims' machines.
October 11, 2006 11 Oct'06
Does Spanning Tree Protocol have an adverse effect on VoIP?

Do you know if Spanning Tree has an adverse effect upon VoIP? If so, what is the best way to provide LAN-based switch redundancy to VoIP gateways?
October 11, 2006 11 Oct'06
Briefs: VoIP management; mobile E911; and Windows 2003 support

Qovia releases its new VoIP management system; 911 Enable made E911 mobile and Codima announced support for Windows 2003 server.
October 04, 2006 04 Oct'06
Tiered storage becoming tried and true

Tiered storage matches the value of data with the performance (and expense) of storage. Ideally, tiered storage can save money, while easing the access demands to any single storage tier. While tiered storage has clearly brought storage costs and ...
October 03, 2006 03 Oct'06
Cisco, Cognio team up on Wi-Fi interference detection

Cisco and Cognio have partnered to troubleshoot and diagnose problems on the Wi-Fi network.

October 03, 2006 03 Oct'06
3Com rolls out unified SMB switch

3Com hit the market today with an all-in-one unified switch for SMBs.
October 03, 2006 03 Oct'06
Cisco, Cognio team up on Wi-Fi interference detection

Cisco and Cognio have partnered to troubleshoot and diagnose problems on the Wi-Fi network.
October 01, 2006 01 Oct'06
Column: The myths and realities of VoIP security

Security is often cited as one of the primary reasons organizations have not deployed VoIP. The biggest VoIP security threat is not making headlines. Zeus Kerravala, Yankee Group analyst, cuts through the hype so network managers can maximize the ...
September 26, 2006 26 Sep'06
Voice over IP Fundamentals: Chapter 9, 'Billing and Mediation Services'

Voice over IP Fundamentals: Chapter 9, 'Billing and Mediation Services'
September 25, 2006 25 Sep'06
Open source router on par with Cisco, users say

To avoid paying top dollar for Cisco routers, two users say Vyatta's Open Flexible Router is a viable alternative to the proprietary norm, with pluses and minuses, of course.
September 25, 2006 25 Sep'06
IP telephony unites New Orleans nonprofit after Katrina

Hurricane Katrina nearly disbanded the Catholic Charities Archdiocese of New Orleans, until the nonprofit rolled out a hosted voice solution
September 24, 2006 24 Sep'06
Cisco bulks up data center switching

Cisco Systems Inc. today made significant announcements in its data center switching line: an 8-port, 10 GigE module; a blade switch for Fujitsu Siemens; and a Web-based script-sharing community.
September 24, 2006 24 Sep'06
Cisco bulks up data center switching

Cisco Systems Inc. today made significant announcements in its data center switching line: an 8-port, 10 GigE module; a blade switch for Fujitsu Siemens; and a Web-based script-sharing community.
September 20, 2006 20 Sep'06
Reporter's notebook: Hidden gems of Interop

The Interop conference in New York this week featured the usual suspects talking about their newest offerings and the industry at large.
September 19, 2006 19 Sep'06
NAC, VPNs and behavior analysis in the Interop spotlight

Security for the enterprise network was emphasised at Interop New York as vendors rolled out and upgraded NAC, VPN, network behavior analysis, and other threat protection products.
September 18, 2006 18 Sep'06
VoIP user experience tested

Most VoIP monitoring is focused on quality of service, but one new company is taking a different tack and looking at the quality of experience.
September 14, 2006 14 Sep'06
Three ways to create clustered storage, page 2

Clustered storage systems run on storage servers, NAS gateways and hosts. Here's how to determine which clustered file-system architecture is best for your needs and storage environment.
September 14, 2006 14 Sep'06
Set up an ad hoc WiFi network

What if you wanted to do pretty much everything you can do on a network, but didn't have a router? You can set up an ad hoc network, in which you can connect on a peer-to-peer basis with other computers and PDAs. You don't need any extra software; ...
September 14, 2006 14 Sep'06
Calling network management vendors: It's time to get on board with VoIP

Despite the hype, full-scale VoIP deployments are hard to find. According to our research at Yankee Group, over 80% of U.S. enterprises have VoIP deployed somewhere in their organization in some shape or form. This includes departmental trials and ...
September 12, 2006 12 Sep'06
Dell and EMC: Five more years

Dell leans on EMC for support in the face of an SEC investigation and possible delisting from NASDAQ.
September 12, 2006 12 Sep'06
Is there a generic blueprint for an IP-based call center?

Is there a generic blueprint for an IP-based call center? Where could I find one?
September 11, 2006 11 Sep'06
VoIP still a confusing area for SMBs

A study released at today's VON conference in Boston suggests that SMBs -- despite their growing use of VoIP -- are still confused about VoIP technology.
September 06, 2006 06 Sep'06
Fast Guide: VoIP encryption

A guide to encryption within VoIP networks
September 06, 2006 06 Sep'06
VoIP startup untethers would-be mobile workers from wireline office phones

VoIP startup DiVitas Networks has voice-over-WiFi-to-cellular technology in the works that gives endusers access to enterprise apps and puts dual-mode handset management in the hands of network administrators.
September 06, 2006 06 Sep'06
VoIP startup untethers would-be mobile workers from wireline office phones

VoIP startup DiVitas Networks has voice-over-WiFi-to-cellular technology in the works that gives endusers access to enterprise apps and puts dual-mode handset management in the hands of network administrators.
September 05, 2006 05 Sep'06
ControlGuard targets rogue devices

ControlGuard Access Manager is an effective tool for controlling what devices users can add to their workstations and how they are used.
September 05, 2006 05 Sep'06
VoIP outsourcing: Save money and gain flexibility

VoIP outsourcing is the way to go for organisations looking to deploy voice services quickly and flexibly without a major investment in skills and upkeep.
September 05, 2006 05 Sep'06
VoIP outsourcing: Save money and gain flexibility

VoIP outsourcing is the way to go for organizations looking to deploy voice services quickly and flexibly without a major investment in skills and upkeep.
September 05, 2006 05 Sep'06
Cisco accelerates the branch

Cisco rolls WAN optimization, application acceleration and Wide Area File Services (WAFS) in a single branch box to complement its Application Control Engine (ACE) data center optimization product.
September 05, 2006 05 Sep'06
Instant messaging boom brings security concerns

Instant messaging (IM) has made significant inroads to the enterprise, but using public IM applications may open up security holes in the network
September 04, 2006 04 Sep'06
Revamped Cisco WAFS worth the wait, users say

Months late, Cisco has finally released a combined Wan optimisation and WAFS product, while startups like Riverbed have been snapping up the customers. But some Cisco beta testers say it has been worth the wait.
September 04, 2006 04 Sep'06
Instant messaging boom brings security concerns

Instant messaging (IM) has made significant inroads to the enterprise, but using public IM applications may open up security holes in the network.
August 31, 2006 31 Aug'06
Interoperability issues for a 6500 Cisco switch and a 3Comm 7700

In this response, Sudhanshu Gupta talks about the interoperability issues that go along with a 6500 Cisco switch and a 3Comm 7700.
August 31, 2006 31 Aug'06
Connecting ISDN PRI to a VPN via a Cisco AS5350

Sudhanshu Gupta examines how to connect an ISDN PRI to a VPN using a Cisco AS5350.
August 31, 2006 31 Aug'06
Routing phone calls to a POTS

Sudhanshu Gupta explains how to route all phone calls to a POTS, in this Q&A.
August 31, 2006 31 Aug'06
Configuring managed and unmanaged switches

In this Q&A, Sudhanshu Gupta answers which cable to use with managed and unmanaged switches.
August 30, 2006 30 Aug'06
VoIP outsourcing: Save money while gaining flexibility

VoIP outsourcing is the way to go for firms looking to deploy voice services quickly and flexibly without a major investment in skills and upkeep.
August 29, 2006 29 Aug'06
AT&T breach affects 19,000 customers

Online outlaws hacked into an AT&T computer system and stole credit card data on thousands of customers. AT&T has offered to pay for credit monitoring services for those affected.
August 28, 2006 28 Aug'06
Riverbed update offers users more bandwidth, better reporting

Riverbed announced a package of hardware and software updates, which some customers say they've been waiting for.
August 28, 2006 28 Aug'06
ProCurve rolls out three new switch series

ProCurve Networking by HP has added three new series of switches to its lineup.
August 27, 2006 27 Aug'06
3PAR adds midrange array for secondary sites

3PAR has introduced a smaller version of its InServ Storage Server, which it describes as a product-line extension into its existing customer base.
August 27, 2006 27 Aug'06
Duplex mismatch

This article helps networking engineers understand the issues behind duplex mismatch, one of the most troublesome problems in today's Ethernet networks. Learn why duplex mismatch occurs and how you can prevent it with autonegotiation and hard coding.
August 22, 2006 22 Aug'06
Column: VoIP applications fuel the next wave of VoIP innovation

The first phase of VoIP is nearing the end and corporations will soon find a variety of third-party desktop applications that run on VoIP. Has VoIP improved the day-to-day for end users?
August 21, 2006 21 Aug'06
Briefs: VoiceCon in the news

This week at VoiceCon we saw everything from managed VoIP services to IP phones made to make mobile workers right at home, wherever they are.
August 16, 2006 16 Aug'06
Cisco struggles with SIP firewall flaw

Cisco admits it can't reproduce a SIP security flaw in its PIX firewall that was first identified by a researcher at Black Hat.