Network technologies and trends


April 24, 2010  5:31 AM

Solarflare Achieves Low-Latency Network Performance Results in STAC Benchmarks With Cisco Catalyst 4900M and Cisco UCS C200 M1 Rack Server

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

 

Solarflare Communications, the pioneer in 10 Gigabit Ethernet (10GbE) solutions, announced results of a multi-vendor test using Solarflare’s OpenOnload Application Accelerator middleware, Solarflare 10GbE dual-port SFP+ SFN5122F server adapters, Cisco Catalyst® 4900M 10GbE Switch, Cisco® UCS C200 M1 Rack Server and Informatica 29West Latency Busters® Messaging (LBM). Solarflare’s middleware solution contributed significantly to increasing the application-messaging rate, while maintaining low latency and bounded jitter, essential for financial firms utilizing high-frequency trading applications.

The vendors used the STAC-M2™ Benchmark to measure the messaging performance of the solution stack. STAC-M2 measures the ability of a solution to handle real-time market data in a variety of configurations. The multi-vendor testing achieved mean latencies as low as 16 microseconds with very small standard deviations of the latency (or jitter) of just one microsecond. The highest throughput achieved with one producer was 1.3 million messages per second, rising to 2.1 million messages per second with two Producers*. The test was audited by STAC® (The Securities Technology Analysis Center). The STAC Report™ is available at www.STACresearch.com/solarflare.

“STAC-M2 Benchmarks provide valuable information to trading firms looking to implement the best performing solutions. The tests are rigorous and impose real-word challenges to ensure that products can handle many of the demands of today’s high-frequency applications. We are pleased that Solarflare, Cisco and Informatica participated in these tests.” Said Jack Gidding, Assocate Director at STAC.

For the STAC Benchmarks™, Solarflare’s SFN5122F server adapters were installed in the servers along with OpenOnload. Solarflare’s OpenOnload speeds up messaging and other types of applications, while reducing the processing work that the host server has to do. It not only reduces the application’s latency while increasing its performance, it also maintains complete compatibility with standard TCP/IP and Ethernet protocols. The vendors configured the multi-core Cisco UCS servers so that all interrupts and background processing tasks were run on a single core. OpenOnload enabled the application threads to run without contention with each other. This left all other cores in the Cisco UCS server free to run application code without any interruption, cross talk or congestion. This division of labor among the cores achieved by OpenOnload contributed significantly to the very low latency and low jitter of the total solution stack.

“We are excited to see a second STAC-M2 report published that demonstrates our products’ performance with other leading solutions used in financial firms today,” said Bruce Tolley, VP corporate and financial services marketing. “These results demonstrate how trading firms can elegantly combine Ethernet solutions available to gain a competitive advantage with their high frequency trading by decreasing latency.”

* Latency: Mean latency was 16 microseconds in each of the use cases where latency is a key end-user priority and messages are passed as opaque buffers, including STAC-M2.v1.0.BASELINE.LAT1, STAC-M2.v1.0.OVERLAP.LAT1, and STAC-M2.v1.0.DUALPROD.LAT1. Throughput: STAC-M2.v1.0.BASELINE.TPUT1 was 1.3 million messages per second. STAC-M2.v1.0.DUALPROD.TPUT1 was 2.1 million messages per second. Further details at www.STACresearch.com/solarflare.

Source: Solarflare Communications, Inc.

April 23, 2010  6:29 AM

10 hottest IT certifications

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

IT certifications have always been popular among the IT professionals to a seek a right job or right jump, Now economy is showing some green signals, IT jobs too are gradually getting back along with the demand for IT certifications, which in recent times have become more technology –and vendor – specific.

Technology research firm Foote Partners recently shared IT certifications that could be considered “hot” in the coming months (these unranked certifications are a part of the company’s upcoming quarterly index on hot skills and certifications).  Microsoft and Cisco certifications also got good grades.

 

Here are the top 10 hottest IT certifications from the list.

Cisco Certified Network Professional (CCNP)

Certified Information Systems Auditor (CISA)

VMware Certified Professional (VCP)

GIAC Security Audit Essentials (GSAE)

Certified Information Security Manager (CISM)

Check Point Certified Security Expert (CCSE)

Check Point Certified Security Administrator (CCSA)

Microsoft Certified Systems Engineer (MCSE -Security)

Certified Wireless Security Professional (CWSP)

GIAC Certified Intrusion Analyst (GCIA)

 


April 21, 2010  11:45 AM

iPhone OS 4 supports Cisco SSL VPN

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

According to Apple’s announcement last week, the upcoming iPhone OS 4 support the SSL VPN connectivity using the Cisco AnyConnect Secure Mobility client.

As we all know the Cisco AnyConnect Secure Mobility client uses the Datagram Transport Layer Security (DTLS) protocol. DTLS helps provide an optimized connection for latency-sensitive traffic, such as voice over IP (VoIP) and TCP-based application access.

Hence the Cisco AnyConnect Secure Mobility client delivers ubiquitous access to authenticated users, enabling increased productivity by providing “anytime access” to the network.  In addition, the client provides full tunnel connectivity while being versatile, lightweight, and user-friendly.  AnyConnect users can now have an in-office experience to virtually any application or resource from their iPhone without compromising device battery or performance.

According to Cisco once the iPhone OS 4 is released, they will be making an available app to enable AnyConnect connectivity.


April 21, 2010  5:53 AM

Share the Wealth Contest – don’t miss the oppurtunity!

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

Cisco is providing you an opportunity to share your knowledge with the Cisco Learning Network Community and win a Flip Video Camcorder. Cisco values your experience and knowledge,as they are important to the Cisco Learning Network Community. It’s very simple to participate in “Share the Wealth” contest. The contest closes on April 30, so do act now.

Pic Courtesy: Cisco Learning Network

Steps to Participate:

·         Step 1 – Register for the Cisco Learning Network. If you’re not already registered: click here.

·         Step 2 – Develop and submit a piece of original Cisco Certification IT learning content in any format (technical article or white paper, PowerPoint presentation, audio/video podcast) and for any certification track (Entry, Associate, Professional, Expert, and Specialist). Technical articles, white papers and PowerPoint presentations should be no longer than 10 pages in length. Podcasts should be no longer than 20 minutes. Formats accepted for podcasts: MP3, MP4, WAV, MOV. All submitted content must be in English. To submit content, click here.

·         Step 3 – Upload learning content: Within 24 to 48 hours after completing the online submission form, you will receive an email with instructions on how to upload your learning content to our FTP server.

·         Step 4 – Cisco judges will choose five (5) semi-finalists: One (1) from each of the certification categories (Entry, Associate, Professional, Expert, and Specialist). You will be contacted via email if you have been chosen or not as one of the five (5) semi-finalists.

Step 5 – Community votes to select Grand Prize winner from the five (5) semi-finalists.

If your content is selected as one of five semi-finalists, it will be voted upon by the Cisco learning community to determine the winner. The winner will take home the Flip Video camcorder. All semi-finalists will win a Cisco Press book and Pearson VUE exam voucher. Be recognized by your community and win a prize! [Learn More]

·         March 18 to April 30 – Contest open for submissions

·         May 3 to May 7 – Review of submissions by Cisco judges and selection of five (5)semi-finalists

·         May 10 – Announcement of the five (5) semi-finalists

·         May 11 to May 18 – Community voting to select the winner

May 19 – Announcement of Grand Prize winner


April 21, 2010  5:53 AM

Share the Wealth Contest – don’t miss the oppurtunity!

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

Cisco is providing you an opportunity to share your knowledge with the Cisco Learning Network Community and win a Flip Video Camcorder. Cisco values your experience and knowledge,as they are important to the Cisco Learning Network Community. It’s very simple to participate in “Share the Wealth” contest. The contest closes on April 30, so do act now.

Pic Courtesy: Cisco Learning Network

Steps to Participate:

·         Step 1 – Register for the Cisco Learning Network. If you’re not already registered: click here.

·         Step 2 – Develop and submit a piece of original Cisco Certification IT learning content in any format (technical article or white paper, PowerPoint presentation, audio/video podcast) and for any certification track (Entry, Associate, Professional, Expert, and Specialist). Technical articles, white papers and PowerPoint presentations should be no longer than 10 pages in length. Podcasts should be no longer than 20 minutes. Formats accepted for podcasts: MP3, MP4, WAV, MOV. All submitted content must be in English. To submit content, click here.

·         Step 3 – Upload learning content: Within 24 to 48 hours after completing the online submission form, you will receive an email with instructions on how to upload your learning content to our FTP server.

·         Step 4 – Cisco judges will choose five (5) semi-finalists: One (1) from each of the certification categories (Entry, Associate, Professional, Expert, and Specialist). You will be contacted via email if you have been chosen or not as one of the five (5) semi-finalists.

Step 5 – Community votes to select Grand Prize winner from the five (5) semi-finalists.

If your content is selected as one of five semi-finalists, it will be voted upon by the Cisco learning community to determine the winner. The winner will take home the Flip Video camcorder. All semi-finalists will win a Cisco Press book and Pearson VUE exam voucher. Be recognized by your community and win a prize! [Learn More]

·         March 18 to April 30 – Contest open for submissions

·         May 3 to May 7 – Review of submissions by Cisco judges and selection of five (5)semi-finalists

·         May 10 – Announcement of the five (5) semi-finalists

·         May 11 to May 18 – Community voting to select the winner

May 19 – Announcement of Grand Prize winner


April 20, 2010  8:30 AM

Make sure to clear ARP

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

 

Most of the times I have noticed, whenever someone configures a NAT in a Cisco PIX firewall 525 or a Cisco ASA firewall, he says my NATing is not working.  This is true especially if you are configuring a NAT for a real IP (which is in use) to private IP. The moment NAT is configured in a firewall he assigns the private IP to his machine and check whether the NAT is working?  Usually it fails to work. The reason behind is the arp cache is not cleared in the firewall, switch and the router.

Next time whenever you configure a NAT for a used real IP make sure you clear the arp by “clear arp-cache” in your Cisco router and Cisco Switch. “Clear arp” in your Cisco firewall . To do so simply use the below command from the privilege mode in your Cisco device

ITKE-ROUTER#clear arp-cache

ITKE-SWITCH#clear arp-cache

ITKE-FIREWALL#clear arp


April 18, 2010  5:11 AM

Cisco 6900 Series IP Phones – Making communication affordable

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

We all know about the Cisco 7900 series IP Phones, there are many organizations who cannot afford those phone in their IP Telephony network. I myself know few organizations that are using Cisco UC for their IP telephony but when it comes to IP phones they are opting for alternatives cheaper phones. Now no worries Cisco have an answer.

A recent Cisco’s press release points out coming June 1 2010, three models of the Cisco 6900 series IP Phones are designed for “budget-constrained deployments” Cisco has a couple of other lower-specked series — the 500 and 3900 series — which are aimed at small business and low-usage scenarios.

The 6900 series comes in three models: the 6921, 6941 and 6961, which support two, four and 12 lines respectively. Colors available are white and black, and the devices can be ordered in two different handset styles.

The Cisco 6900 Series is full-duplex speakerphone with LAN and PC Ethernet connections, and supports several dozen languages, an optional headset, some XML applications on the LCD screen, different ringtones, and multiple codecs and so on.

Full specifications for the Cisco 6900 Series phones are available from Cisco’s website.


April 13, 2010  5:35 AM

Borderless Networks the future of Networks

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

These days’ people are talking about the borderless networks; some of the presentations in the recently concluded Cisco Networkers in Bahrain were exclusively about the borderless Networks. As we all know Cisco Borderless Networks deliver intelligent, adaptive services to streamline your operations and increase flexibility, resiliency, and security.

I was wondering how I can attain more knowledge about Borderless Networks, Cisco Press has answers. They just launched the title Securing the Borderless Network: Security for the Web 2.0 World” by Tom Gills.

This title deals with Securing the Borderless Network reveals new techniques for securing advanced Web 2.0, virtualization, mobility, and collaborative applications

Discover how Cisco’s innovations in switching, routing, security, and mobility can get you started today.

Learn more about borderless networks: 

·         Borderless Networks At-A-Glance

·         Eliminating Borders to Enable Any Place, Any Time, Any Device Access White Paper

·         Cisco TrustSec At-A-Glance


March 31, 2010  1:56 PM

Cloud Services and SaaS: A Smarter Way to do Business

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

 

According to a recent Cisco survey, only 20 percent of small businesses know what “cloud services” are, even though 75 percent of SMBs polled are already using some kind of hosted or subscription-based service to enhance their business goals. Read rest of the story by following this link.


March 31, 2010  12:51 PM

Cisco among 2010 World’s Most Ethical Companies

Yasir Irfan Yasir Irfan Profile: Yasir Irfan

 

Cisco Systems has been named one of the World’s Most Ethical Companies in 2010 by Ethisphere Institute. The World’s Most Ethical Company designation is awarded to those companies that have leading ethics and compliance programs, particularly as compared to their industry peers. Interested to know who all is in this list access link.


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