News about SPARC systems and related companies
2001, June week 1
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|Lucent Technologies||Bell Labs Internet traffic
discovery could point the way to more efficient networks
MURRAY HILL, N.J. - JUNE 06, 2001 - A recent discovery by researchers at Bell Labs, the R&D arm of Lucent Technologies sheds new light on the nature of Internet traffic and could lead to more efficient routers and other network components. Using sophisticated new software programs to analyze and simulate data traffic in unprecedented detail, the researchers found that the "burstiness" seen in traffic at the edges of the Internet disappears at the core.
Their surprising discovery - that traffic on heavily loaded, high-capacity network links is unexpectedly regular - may point the way to more efficient system and network designs with better performance at lower cost. The Bell Labs research team of three statisticians and a computer scientist - Jin Cao, William Cleveland, Dong Lin, and Don Sun - analyzed billions of packets on an individual basis, the way equipment in the network sees them.
Packet traffic has long been characterized as bursty, fluctuating between extremes - from trickles of packets with large time intervals between them to floods of closely spaced packets. On local-area networks at the edges of the Internet, traffic does swing between such extremes, like local automobile traffic that can alternate rapidly between sparse and bumper-to-bumper conditions. For years, the industry has proceeded on the assumption that such behavior would be reflected and greatly magnified on higher-capacity links where traffic from many local tributary networks flows together. What the Bell Labs team found at the core of the Internet, however, is more like traffic on an ideal highway - a steady, high-speed stream that can be full to capacity with few serious delays.
The conventional wisdom would say that as both the capacity and the speed of Internet links increase, packet networks need to be engineered to accommodate ever greater rapid swings between low and high traffic loads, and Internet routers need ever larger packet buffers to accommodate increasingly variable queueing delays.
"But the burstiness that you can see in individual traffic flows vanishes in large aggregate streams of Internet traffic," said Sun. "The intermingling of packets from many different flows smooths out the aggregate traffic."
Traffic on a high-capacity link becomes more random, regular, smooth, and manageable when the numbers of users and simultaneous computer-to-computer connections go up. During their initial study, the research team assembled hundreds of gigabytes of packet traffic data from high-speed networks at Bell Labs and five universities, using a unique software system called S-Net for measurement and analysis. "S-Net is our statistical software microscope," Cleveland said, "which has enabled us to find patterns not seen before in studies using less precise data-viewing instruments."
Further research will be needed to fully explore the implications for Internet engineering, but the broad outlines seem clear: more efficient sizing of packet buffers, higher average utilization of link capacity, and greater flexibility in handling growth in Internet traffic. ...Lucent Technologies profile
Performance and Security Enhancements to DS1800(tm), a KVM OVER IP(tm) Solution
for Server Management|
Huntsville, AL., June 6, 2001 Avocent Corporation today announced it has made significant improvements to its DS1800 KVM over IP(tm) solution for server management. This system gives IT managers the unique ability to remotely access multiple racks of servers through an Ethernet connection, leveraging a company's existing investment in its network infrastructure.
Additionally, the DS1800 video processing and compression algorithms minimize the required network bandwidth to transmit keyboard, video, and mouse (KVM) signals. The DS1800 leverages industry standard DES encryption during transmission and provides virtually unlimited scalability along with an easy-to-use GUI interface.
Avocent's DS1800 is a KVM over IP server management solution that provides administrators complete access to virtually an unlimited number of servers or devices in their network, from any location. The DS1800 supports multi-platform environments, including Sun, USB and PS/2, and a variety of operating systems such as Windows 95, 98, NT, Windows 2000, Linux, NetWare and Solaris to name a few. Additionally, customer support is now available seven days a week, 24 hours a day. ...Avocent profile
|GNP Computers||GNP Continuant Cluster
Suite Computing Environment Provides True Carrier Class System
Availability for Telecom Switching Applications
MONROVIA, Calif. - June 5, 2001 - GNP Computers now offers Continuant Cluster Suite, a multi-node computer operating environment for use in telecommunications switching applications. Using GNP's patent-pending Natural Clustering Technology (NCT) - an ultra-reliable, virtual shared-memory programming model - the software delivers the 99.999 percent uptime required in a Central Office or other true carrier class networking environment. It provides fault detection/recovery, load sharing and management for multiprocessing systems that can contain heterogeneous processors.
|Target applications include
softswitches, gateways and controllers for IP, wireless, optical and any other
mission-critical network systems requiring true five-9's reliability,
scalability and enhanced QOS (quality of service).
"The next generation platform for embedded telco applications is finally available," said Roger Baar, Ph.D., GNP's CEO and president. "We have responded to our customers' requirements for a computing environment that allows them to integrate Commercial-Off-The-Shelf (COTS) products into a continuously available system. Unfortunately, true five-9's availability is hard to achieve using standard computer industry systems and elements, which has kept the cost and availability of such computing systems out of reach for general network use so far. Our new Continuant Cluster Suite operating environment uses NCT to overcome traditional COTS limitations and deliver an affordable, scalable solution for a variety of network switching and management applications. Continuant is fundamentally - more robust than the conventional fail-over approaches, which have difficulty realizing true five-9s availability when the combined effects hardware outages, software failures and OA&M (Operations, Administration and Maintenance) are included."
GNP's Continuant Cluster Suite supports a wide mix of hardware, including all CompactPCI® platforms based on Intel, Motorola, or Sun processors and all Netra computing systems; as well as a range of server/enterprise and workstation systems. These computing nodes may be running any mixture of Solaris or Linux operating systems, and executing application code written in C, C++, Java or Prolog languages. This ability to work in heterogeneous environments is an important design consideration in supporting COTS elements, since the long deployment life of a telecommunications system usually spans multiple COTS generations. Therefore, it is desirable or even necessary to have several versions of processors, operating systems or other system elements co-existing as the equipment undergoes expansion and receives FRU replacements and upgrades.
The cost of the GNP Continuant Cluster Suite operating environment begins at approximately $9000, depending on the number and type of computing nodes supported. GNP offers a complete range of consulting services to support Continuant Cluster Suite, including those for architectural definition, porting of existing applications, and new software development. ...GNP Computers profile
|Resilience||Alstom Power Safeguards
Critical Data with Resilience SPARC Servers|
Sunnyvale, CA - June 5, 2001 Resilience Corporation today announced that ALSTOM Power, a division of ALSTOM S.A. , the global specialist in transport infrastructure and energy, has deployed Resilience SPARC-based fault-tolerant Continuous Availability Systems to secure the company's sensitive data.
ALSTOM was looking for a reliable, yet cost-effective way to update and protect its firewall from downtime," said Richard Mekolichick, IT Network Manager for ALSTOM Power. "Our Resilience systems are significantly more affordable to administer and have been up and running, without a glitch since installation."
"Data integrity and availability are two important functions where reliability can not be left to chance," said Denny Olmsted, Resilience president and CEO. "Resilience servers provide the continuous uptime and ease of administration that more and more companies are looking for in a firewall application."
Dataline Inc., a computer systems integration firm, provided the Resilience solution to ALSTOM. ...Resilience profile
||Force Introduces First
Central Office-Standard SPARC/Solaris Dual-Segment compactPCI 12U System|
SUPERCOMM 2001, ATLANTA - June 5, 2001 Force Computers today at the SUPERCOMM 2001 trade show introduces the Centellis CO 16543-12U platform, the first embedded system to exceed the requirements of major telecommunications carriers for telecom-standard SPARC®/Solaris® technology in a Network Equipment Building System (NEBS) Level 3, 12U design for Central Office (CO) deployment.
|The latest of Force's NEBS
building-block systems with FaultZone Technology, the Centellis CO
16543-12U platform leverages legacy communications equipment investments with
its implementation on CO-standard SPARC/Solaris technology. With 16 CompactPCI®
slots14 of which support the H.110 busthe Centellis CO 16543-12U
system provides one of the highest density I/O capabilities in a 12U chassis.
This makes it an ideal solution for interactive voice response (IVR), unified
messaging and other computer telephony integration (CTI) applications for use
with products from Force's "Running with Force" third-party partners
such as NMS Communications.
"Leveraging Force's expertise as the only major processor/OS-independent designer and developer of embedded systems for the telecommunications industry, the Centellis CO 16543-12U platform offers the small footprint, high-density I/O capability and SPARC/Solaris technology major telcos require in all Central Office equipment," said Dave Berry, Force product manager. "By incorporating Force's own FaultZone Technology, this platform will test to NEBS Level 3 criteria. And single-segment backplane solutions can't hope to match its high-density I/O capability."
Force will demonstrate the Centellis CO 16543-12U platform at SUPERCOMM 2001, June 5-7, Georgia World Congress Center, East Hall, Booth 3150.
The Centellis CO 16543-12U platform is available immediately through Force's Early Access Unit (EAU) program with volume shipments scheduled for August 2001. Prices start at approximately US$19,000. ...Force Computers profile
|Znyx Networks||Znyx Networks Announces
First compactPCI Embedded Ethernet Switch Based on PICMG 2.16 Architecture|
Atlanta, Georgia. World Congress Center, June 4, 2001 - ZNYX Networks today announced the first CompactPCI® embedded Ethernet switch designed to support the upcoming PICMG 2.16 specification for packet-switched backplanes (CPSB). ZNYX Networks' ZX4300P is the first Layer 2 Ethernet switch to seamlessly support operation in both standard CompactPCI chassis and the fabric slots of chassis designed to support the upcoming PICMG 2.16 CPSB specification. Several rear transition modules are available to support 5 through 24 10/100 egress ports, depending upon the chassis architecture.
Other features of the ZX4300P include non-blocking line-rate switching performance, HotSwap capabilities, 802.3x and back-pressure flow control. The switch integrates easily with any host operating system, and supports Intel x86, Sun SPARC, and Motorola PowerPC host CPUs. ...Znyx profile
|Raritan Computer and
Lightwave Communications Join Forces to Provide Customers with the Most Complete
Server Management Solutions|
Somerset, NJ - Milford, CT - June 4, 2001- Raritan Computer and Lightwave Communications today announced the formation of a corporate alliance designed to develop and offer a complete and complementary line of server access and management products. Raritan and Lightwave will collaborate on product development to provide integration across both companies' product lines.
As a first step, both companies will immediately implement product enhancements so that all serial devices controlled by Lightwave's ConsoleServer serial products are automatically recognized by Raritan's award-winning Cat5-based KVM switching system, Paragon. Consequently, all GUI systems and ASCII systems will be controlled directly from a single enhanced Paragon on-screen menu.
"Our goal is to develop a comprehensive line of complementary products that combine seamlessly to give our customers feature rich, efficient, and reliable solutions to their server access and management needs", states David Cheever, President of Lightwave. ...Lightwave Communications profile, ...Raritan Computer profile
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