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Load Balancer
Wednesday, 14 March 2012
Create Consistent Networks with Link Load Balancing Appliances

The business environment today is extremely tech savvy with advanced internet applications and various software usages. Every organization today largely depends on internet to connect to other network offices globally. Hence, internet is the crucial element of every business activity and requires being easily accessible and consistently assuring business continuity. This is where link load balancing becomes important, as it offers a cost-efficient manageable links to cater to business requirements.

Load balancing is the process that helps in evenly disseminating service or processing requests across numerous devices within a network. Dedicated hardware, software and servers carry on the load balancing; hence load balancers are an important element in a network. In order to have a stable network an organization requires dynamic load balancing solution. Another aspect that requires attention is assuring that there is optimum resources dissemination throughout the servers. Organizations utilize at least two ISP links nowadays to link the internal network with the internet. Out of these two links one is used and the second one is kept as a back up. In order to weed out the needless ISP blocking, service providers of Application Delivery Networking have come with link load balancing solutions.

Link load balancing appliances utilizes technology that is effectively executed with every network. Apart from catering to basic requirements, these devices help to maximize the performance and consistency and lead to cost reduction. In addition to that, they also enable to optimize the internet bandwidth by using ongoing proximity measures and service response time. This in turn enables in identifying feasible links to service given application transaction. Using all accessible ISP links and intelligence traffic management helps the link load balancer manage the outbound and inbound network traffic efficiently.

Benefits of link load balancing appliances
There are numerous benefits of link load balancing appliances. Some of them are listed below:-

* The devices have high reliability as they automatically switches from one service provider to the other whenever there is a network failure
* If there is a WAN network problem, then the link load balancer helps to redirect the network traffic by promising business continuity
* These devices have the capacity to analyze intelligently a broader area of connections and locate the bandwidth accordingly.

Few other advantages of link load balancing appliances consist of real-time monitoring of WAN links. They enable in leveraging bandwidth management and compression resulting in efficient utilization of WAN bandwidth.  Furthermore, these devices smooth the progress of global server load balancers for crucial business applications and enhance the end-user experience simultaneously reducing bandwidth expenses and data center complexity.


Other Links

Application Acceleration

Data Center Modernization


Posted by kelton08 at 4:14 AM EDT
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Wednesday, 7 March 2012
Functions of Application Delivery Controller

To explain in simple terms, an application delivery controller (ADC) is network equipment in a data center. This equipment enables in carrying out daily tasks performed by websites in an attempt to eliminate the load out of the web servers. It is placed between the router/firewall and web farm. Some technical professionals call a ADC as a new age load balancer as they offer innovative features, such as advanced routing strategies, content manipulation, organized sever health controlling and many others. Few other features of the ADC's are as follows:-


* Compression
* Cache
* Connection multiplexing
* Application layer security
* SSL offload
* Content switching combined with fundamental server load balancing


Gartner in a research highlighted that recently, there has been a change in the demand from simple server load balancing equipments to the more innovative solutions, accompanied by maximized functionality, a rich feature set, and an increased focus on effective application delivery networking. The reason for this change is the need to enhance reliability, performance, and the manageability of the application delivery platforms. As per Gartner "The era of load balancing is long past, and organizations will be better served to focus their attention on improving the delivery of applications."


Service providers of innovative application delivery controllers today help you to make your applications secure, accessible and fast with their product offerings. The new age ADC's are purpose - built to leverage state-of-the-art multi-core processing, 10 Gigabit Ethernet connectivity, energy efficient constituents and hardware acceleration modules. ADC appliances offer industry leading price-performance, functionality, and economies-of-scale from small to global service provider. Other features include the following:-


* Advanced Traffic Management - Refers to Layer 2 - 7 server load balancing, global server load balancing, link load balancing, content switching and application routing.
* Application & Data Center Acceleration - Refers to TCP connection multiplexing, SSL Acceleration, high-speed HTTP processing, adaptive compression, dynamic caching
* Network Application & Data Security - Refers to hardened OS and incorporates packet inspection firewall


ADC's are engineered to thrive in the new age data center and they support advanced features that are important for enterprise application delivery, visualization, delivery of emerging IP data services and cloud service delivery.



Other Links

Application Security

Site-to-Site VPN


Posted by kelton08 at 3:18 AM EST
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Wednesday, 29 February 2012
The Importance of Assured Business Continuity with Seamless Remote Access

As the business world has become faster paced and more globalized, with teams working together across multiple time zones and countries, the traditional idea of working 9 to 5 is fast becoming obsolete. Traditional meetings are being replaced all over the business world by online collaboration made possible by remote access tools and VPN. Remote access via VPN solutions allows savvy businesspeople to take care of business wherever they happen to be, whether that is halfway across the world in a hotel room, a home office, or a coffee house with a wireless Internet connection. Remote access allows companies to do business anytime, anywhere.

With business continuity planning becoming an imperative in today’s businesses, it is important to invest in an enterprise-class remote desktop access solution that leverages proven technology that is simple, scalable and secure. Compliance is one of the main reasons why government agencies now mandate realistic BCP implementations. Regulatory compliance and government mandates need many companies to have secure, auditable access to key information, even during unexpected events. Even if an organization is working under less than ideal conditions, mandates like Sarbanes-Oxley, HIPAA and others remain in ef­fect.

Fundamental to a business continuity plan is the ability for workers to be able to get at the applications and resources they need, even when they can’t make it to their normal place of work. It does no good to keep servers, applications and databases up and running if the workers who need them cannot get access to them. Access should also be available when the office is no longer functional and the server infrastructure has been moved elsewhere. Similarly, should workers lose their primary access device like when a laptop is lost, stolen or broken, it becomes is necessary to be able to access resources from any alternate device.

Regardless of the type of remote access solution you choose, it is understood that the solution is a superior business tool used to increase productivity by enabling easy file access. With a remote desktop access appliance, it is possible to mitigate business disruptions and augment business continuity planning (BCP) via seamless secure remote access to office desktops. It provides simple, secure access to desktop environments, and also provides ease-of-use with straightforward and simple architecture. Such a solution will be ideal for office workers who need occasional or frequent access to their desktops from personal devices.

So invest in an on-premise hardware appliance that has administrator-configurable data leakage protection. This is the best way of providing business continuity for every office worker.

Other Links

RDP Remote Access

Site-to-Site VPN


Posted by kelton08 at 6:57 AM EST
Updated: Wednesday, 29 February 2012 7:18 AM EST
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Thursday, 23 February 2012
Increase Your Productivity through Secure Remote Access

The word that drives technology is innovation. A discovery made today, is surpassed by another and the chain continues. Similar is the case of secure remote access that is becoming the order of the day as far as the professional world goes. Factors such as reliable and fast internet connection allow the service providers to deliver remote access solutions easily. The cost is less as compared to the traditional systems, whether there are one or numerous users. At the same time, there are disaster recovery benefits.

Why Enterprises prefer Secure Remote Access

With a secure remote access, users are experience a certain amount of benefits that are cost-efficient in nature. The moment the IT system is delivered remotely in secure data centers, the IT architecture, support and hardware costs are minimized to a great extent. At the same time, it helps the mobile employees, home workers, extranet partners and approved users to access the required business resources and applications for maximizing productivity. It further acts a business continuity solution that helps organizations to work even when an employee is absent for any unforeseen problem.

Service providers of secure remote access provide the users with various software applications, such as the SSL VPN remote access that helps them to access their work place from anywhere at any given time. Some of the benefits are listed below:-

* Offers a controlled access for both managed and un-managed equipments comprising laptops, desktops, PDA’s and mobiles
* Provides a diverse range access methods that consists of Layer-3, Web, and other mentioned client-server and thin-client applications
* Offers a cross-platform assistance for a diverse range of browsers, operating systems, client-side security scans
* Has a dynamic end-point security that includes adaptive policies, host-checking, cache-cleaning, and secure virtual desktop
* Has a granular identity-based access control for files, URLs, applications and networks
* There is no network traversal or pre-installed clients issues and needs just a common Web browser for users to have access
* Superior end-user experience through integrated application acceleration and 256 virtual portals tunable to the preferences of multiple communities of interest
* Unmatched performance and scalability for remote access SSL VPN


Therefore, you can be seated within the comfort zone of your house and carry on with your work. The service providers also offer their clients with load balancing appliances that enabled in balancing the server load.


Other Links

RDP Remote Access

Appliance-Based Remote Desktop


Posted by kelton08 at 6:07 AM EST
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Tuesday, 14 February 2012
Business Continuity Planning �€“ Balancing Risk and Scalability

Business disruptions can be in any form from minor events to extreme disasters, they all have the potential to prevent employees from getting to their place of work. It can also be an application or a site being down. Businesses today are relying highly on real-time access to information for their business processes and applications. Any kind of disruption can have repercussions on business from loss of credibility and business reputation and related loss of revenue.  Hence they need to have a disaster recovery plan in place that ensures people can get access to information, with minimal disruption to business processes, allow your employees to continue to work remotely from any location, that your business partners or suppliers gain uninterrupted access to important information.

Thus to deal with these disruptions, businesses need to have a detailed remote access strategy and business continuity planning (BCP) that can easily be transitioned to deal with emergency situations should be considered  to avoid loss of productivity or revenue. 

According to Gartner analyst John Girard, “The most critical success factor to any business continuity plan is fast re-establishment of business processes. However, if your disaster recovery plans do not include Remote Desktop Access coordination steps, no amount of cool technology will save your operations.”

Traditionally IPSec VPN remote access solutions were used to provide secure access to applications. You need to assess the criticality of your business processes and technologies and develop business continuity VPN and disaster-recovery plans using automated workflow for testing and approval.  Emerging new technologies solve the cost, complexity and predictability problems; as all you need to support this type of access is a PC, laptop, PDA, or cell phone that has an Internet browser installed.   

Regulatory compliance and government mandates organizations to ensure access to key information, even during unforeseen events. Mandates like Sarbanes-Oxley, HIPAA and others remain in effect, even if an organization is working under less than ideal conditions.

Thus for business continuity planning, many vendors will claim to have the best solution. To get always-on access to applications and resources for business continuity planning, a remote access solution must satisfy certain deployment criteria:

• Secure anytime, anywhere access
• Uninterrupted business continuity
• Maximum performance
• Automated VPN provisioning
• Cost-effectiveness
• Global redundancy

Thus businesses can take a proactive approach to their business continuity planning by planning ahead of time, with clear processes and responsibilities. A critical component of the overall business continuity plan is a secure remote access plan to ensure that remote workers can continue their work during and after a disaster strikes.


Other Links 

SSL VPN Solutions

Application Security


Posted by kelton08 at 3:53 AM EST
Updated: Tuesday, 14 February 2012 4:00 AM EST
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Wednesday, 8 February 2012
Secure and Fast Application Availability with Cloud Solutions

Businesses have realized the significance and advantages of uninterrupted operations. However there are times when you do not have any control over situations such as natural disasters, fatal accidents or unexpected events and deaths. All these unfortunate incidents can cause huge losses to your business. Though these events are irrepressible you can mitigate the risks and tone down the impact by employing smart strategies.

Cloud computing solutions have proved that your business can continue operating without any disastrous consequences despite any sudden changes in the environment.

The cloud service delivery model facilitates your business with performance enhancement opportunities and reliable security controls. The cloud solutions initiate faster application delivery services to users irrespective of the location and device. Thus mobile employees can be provided with immediate and consistent accessibility to business applications which helps the business to progress without any disruptions. The cloud solutions also provide support to those employees who are unable to step out of the house due to an emergency.

IT security is a priority in today’s highly competitive environment. Every business is wary of adopting technologies that cannot provide sufficient security. The cloud solutions provide best SSL encryption platform, certificate-based access and deep packet inspection to ensure optimum application security without hampering their performances. All transactions are secured using the SSL VPN encryption method. The bulk encryption process is offloaded and key exchange from servers is maintained to improve availability, enhance utilization of servers and end-user’s response times.

The encryption solutions that are provided are cost-effective and advanced that eliminates the need to purchase and install SSL certificates for every server in the data center. You can use and install one certificate representing an SSL enabled DNS on the APV appliance and reduce the cost of certificates and renewals. The APV appliances can support up to 256 unique SSL enabled DNS names on a single system and deploy them for providing cloud managed services.

The appliance provides integrated security services, content filtering support and cross-platform support for various operating systems, browsers and client side security scans. The SSL VPNs appliances provide dynamic end-point security along with host-checking, adaptive policies, secure cleaning and secured remote desktop access. With the explicit cloud services your business faces no risk even in an unpredictable environment. The cloud ensures a highly secured environment for an overall consistent and reliable IT performance. Your business can gain handsome returns with mature practices and wise decisions.


Other Links

Site-to-Site SSL VPN

Business Continuity Planning


Posted by kelton08 at 1:15 AM EST
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Tuesday, 31 January 2012
Remote desktop Access: Enhanced Mobility for the Workforce

Mobility is a vital issue in today’s globalized world. With offices spread across geographical boundaries, it not possible for a person to be available at two or three distantly located places the same day. Innovative technologies and new age software applications have made it possible for the employees to work from any location. Further, with the advent of remote desktop In other words, technological innovations have empowered the mobile workforce.

The remote desktop access solution developed by leaders in the information technology industries allows access to the office workstations and desktops irrespective of the location and machines. This helps to boost productivity and ensures business continuity VPN even during bad weather conditions. The appliance-based remote desktop access allows users complete access to their physical or virtual machines under secure conditions. This technology also ensures that data never leaves the network. Further with a number of end-point controls, the software professionals ensure that there sis no data leakage.

The high-end built-in technologies enable the user to have complete desktop Virtualization control and access. The strong encryption facilitates a centralized real-time control and efficient data security. Activating the remote desktop ensures that the data does not leave the corporate network, thus making it easy to control data leakage and thefts. The quality, speed and functions of any remote desktop protocol are based on the system layer where the graphical desktop is redirected. Organizations also provide their mobile workforce with tablets to work on remotely. Besides being economical, portable and light, these allow access to the network even in low bandwidth connection.

The main use of remote desktop software is remote administration. The advent of cloud computing, has paved way for remote desktop software to be loaded on to USB hardware devices. The remote desktop access products are available in three models- hosting service, software and appliance based. The power management capability ushers in cost savings for even the average medium-sized businesses. Benefit from considerable savings in energy costs. The systems can be shut down as and when they leave the system and can boot it on-demand. Besides, providing improved user experience and mobile computing even from hand held devices, the remote control software can also be used for malicious uses. Hence, care should be taken while handling the remote desktop access appliances.


Other Links

Load Balancing Appliance

Desktop Delivery



Posted by kelton08 at 3:23 AM EST
Updated: Tuesday, 31 January 2012 5:08 AM EST
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Tuesday, 24 January 2012
A Quick Glance at the Various Approaches of Desktop Virtualization

In a recent survey it was found that companies with desktop virtualization projects often used more than one method of delivery. Although most users these days prefer to deploy more than one flavor of desktop virtualization, they are confused about the various options with all of the market competition around desktop virtualization.

Here is a quick glance at the different approaches of desktop virtualization.

Remote Hosted Desktops

Here, a serve runs one image of an operating system and a number of clients log in to it using connection broker software that is the only part of the software hosted on the client machine. This approach is low in cost and has a high degree of control over data and other applications, although the performance here depends on the quality of the network connection and does not work when disconnected.

Remote Hosted Dedicated Virtual desktops

As an alternative of having many users that share one instance of the same application, the server hosts a total operating system and set of applications within a virtual machine that is accessible only to that user. It can either be hosted remotely or streamed. When hosted remotely, it segregates the activity of each user to avert resource constraints. On the other hand, it gives the end user better performance when it is streamed.

Remote Virtual Applications

The only thing that is required, in a remote desktop is to create secure connections and transmit graphics and data is a browser and standard Web protocols. The hardware or software environment of the end user need not be managed by IT in a remote virtual application. However there can be a bearing on the end user performance.

Local Virtual Applications

In local virtual applications, applications download from the server to the client machine and run there, using local memory and processing power. There are more Cloud computing resources and improved performance than remotely hosted applications with less bandwidth consumption that can also be used offline. However, there isn’t much control over the hardware and security of the data.

Local virtual OS

There are two versions with a local virtual OS. One is where a client-side hypervisor can create a virtual machine within a laptop. The other version is where a hypervisor runs on the machine's BIOS, permitting the user to run various operating systems with absolutely no "host" OS. With a local virtual OS there are no concerns about OS compatibility, and they can run on non-traditional VM clients like smart phones.

With the multiple technical approaches to desktop virtualization and the different approaches feature different levels of customer adoption and offer different potential benefits, it is essential to get a fair understanding of the various approaches. Too much focus on just factor can result in a less than optimal solution. So segment the users based on tasks performed and applications required, and make your choice.


Other Links

Access Control

Business Continuity


Posted by kelton08 at 4:05 AM EST
Updated: Tuesday, 24 January 2012 4:15 AM EST
Post Comment | Permalink
Tuesday, 10 January 2012
A Quick Glance at the Various Approaches of Desktop Virtualization

 

In a recent survey it was found that companies with desktop virtualization projects often used more than one method of delivery. Although most users these days prefer to deploy more than one flavor of desktop virtualization, they are confused about the various options with all of the market competition around desktop virtualization.

Here is a quick glance at the different approaches of desktop virtualization.

Remote Hosted Desktops

Here, a serve runs one image of an operating system and a number of clients log in to it using connection broker software that is the only part of the software hosted on the client machine. This approach is low in cost and has a high degree of control over data and other applications, although the performance here depends on the quality of the network connection and does not work when disconnected.

Remote Hosted Dedicated Virtual desktops

As an alternative of having many users that share one instance of the same application, the server hosts a total operating system and set of applications within a virtual machine that is accessible only to that user. It can either be hosted remotely or streamed. When hosted remotely, it segregates the activity of each user to avert resource constraints. On the other hand, it gives the end user better performance when it is streamed.

Remote Virtual Applications

The only thing that is required, in a remote desktop is to create secure connections and transmit graphics and data is a browser and standard Web protocols. The hardware or software environment of the end user need not be managed by IT in a remote virtual application. However there can be a bearing on the end user performance.

Local Virtual Applications

In local virtual applications, applications download from the server to the client machine and run there, using local memory and processing power. There are more Cloud computing resources and improved performance than remotely hosted applications with less bandwidth consumption that can also be used offline. However, there isn’t much control over the hardware and security of the data.

Local virtual OS

There are two versions with a local virtual OS. One is where a client-side hypervisor can create a virtual machine within a laptop. The other version is where a hypervisor runs on the machine's BIOS, permitting the user to run various operating systems with absolutely no "host" OS. With a local virtual OS there are no concerns about OS compatibility, and they can run on non-traditional VM clients like smart phones.

With the multiple technical approaches to desktop virtualization and the different approaches feature different levels of customer adoption and offer different potential benefits, it is essential to get a fair understanding of the various approaches. Too much focus on just factor can result in a less than optimal solution. So segment the users based on tasks performed and applications required, and make your choice.

 

Other Links

Link Load Balancing Appliances

Remote Desktop

 


 


Posted by kelton08 at 4:53 AM EST
Updated: Tuesday, 10 January 2012 4:59 AM EST
Post Comment | Permalink
Wednesday, 4 January 2012
Secure and Fast Application Availability with Cloud Solutions

 

Businesses have realized the significance and advantages of uninterrupted operations. However there are times when you do not have any control over situations such as natural disasters, fatal accidents or unexpected events and deaths. All these unfortunate incidents can cause huge losses to your business. Though these events are irrepressible you can mitigate the risks and tone down the impact by employing smart strategies.

Cloud computing solutions have proved that your business can continue operating without any disastrous consequences despite any sudden changes in the environment.

The cloud service delivery model facilitates your business with performance enhancement opportunities and reliable security controls. The cloud solutions initiate faster application delivery services to users irrespective of the location and device. Thus mobile employees can be provided with immediate and consistent accessibility to business applications which helps the business to progress without any disruptions.  The cloud solutions also provide support to those employees who are unable to step out of the house due to an emergency.

IT security is a priority in today’s highly competitive environment. Every business is wary of adopting technologies that cannot provide sufficient security. The cloud solutions provide best SSL encryption platform, certificate-based access and deep packet inspection to ensure optimum application security without hampering their performances. All transactions are secured using the SSL VPN encryption method. The bulk encryption process is offloaded and key exchange from servers is maintained to improve availability, enhance utilization of servers and end-user’s response times.

The encryption solutions that are provided are cost-effective and advanced that eliminates the need to purchase and install SSL certificates for every server in the data center. You can use and install one certificate representing an SSL enabled DNS on the APV appliance and reduce the cost of certificates and renewals. The APV appliances can support up to 256 unique SSL enabled DNS names on a single system and deploy them for providing cloud managed services.

The appliance provides integrated security services, content filtering support and cross-platform support for various operating systems, browsers and client side security scans. The SSL VPN appliances provide dynamic end-point security along with host-checking, adaptive policies, secure cleaning and secured remote desktop access. With the explicit cloud services your business faces no risk even in an unpredictable environment. The cloud ensures a highly secured environment for an overall consistent and reliable IT performance. Your business can gain handsome returns with mature practices and wise decisions.


Other Links

Site-to-Site VPN

Business Continuity VPN

 


Posted by kelton08 at 1:51 AM EST
Updated: Wednesday, 4 January 2012 1:58 AM EST
Post Comment | Permalink

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