As Apache and Tomcat have high importance in web server hosting industry. There are both good and bad side this integration of Apache with Tomcat and there are different opinion about the same. Following are some points I would like to attach the discussion.

Clustering – When Apache is used as front-end it works as a front door for multiple Tomcat instances. Apache has the ability to ignore if any one of Tomcats fails. For this you need to use a hardware which is load-balanced.

Security – I we compared Apache with Java then we can know that Java has its own security manages and Apache works on bigger mid-share. Though this is a controversial topic but when one prefer to go fo Apache he needs to secure two systems at the same time but which can be appreciated by search engines also.

Clustering / Security – It is possible to use Apache with multiple tomcats for multiple URL name-spaces and in such situations Tomcats can be more protected individually. Though Apache is smarter proxy server one need to take care of it.

Add-Ons – In Apache one can add PHP, CGI and pearl very smoothly and such addition is very effective for Tomcat. Unlike Tomcat, Apache has many modules to be plugged in.

Dcorators - It possible to perform multiple decorators when Apache is in front of Tomcat which does not support of quick code.

Speed – Though it is very hard to compare speed between Apache and Tomcat, when things come to static content, Apache is quicker than Tomcat. But this only applicable in the case of high traffic websites. There are some exceptions where Tomcat wins the race by using connector wisely.

Socket Handling – In many cases Apache it known as better socket handler than the Tomcat. Tomcat handles the sockets through JVM which require to go through platform, hence makes Tomcat slower.

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There have been many queries from developers who are looking for Java Hosting service for hosting their Java Applications. When hunting for such a web hosting provider,it is essential for you to include the following Standard Servlet/JSP Features. The below list should make your search  find a reliable and Affordable Web Hosting much simple.

List of requirement:

a) Java Servlet support (JSDK Servlets)
b) Fine-tuned Tomcat VMs for highest performance
c) High-speed delivery of static content
d) Tomcat should be regularly updated with latest released patches
e) They should support Cocoon 2.1
f) Tomcat features should include JSP and WAR file deployment
g) Easy folder layout/knowledgebase for new Tomcat users
h) Accessibility of full Servlet Logs, Access Logs
i) The package must include JDBC support
j) Configure servlets and compile JSP-DIY configuration
k) File system access and provide dynamic control
l) SQL Server, MySQL, PostGreSQL and FireBird Databases with JDBC
m) Smooth Outgoing/Incoming network connections to run Java-based server
n) Convergence and JSP Wiki support
o) No restriction to use JAR files and appls extensions
p) You’ll need full access to applications for reloading via the Tomcat Manager
q) The Host must offer Separate JVM and JBoss upon request
r) You may need isolated Tomcat Host to separate webapps folder for your applications
s) Host multiple applications, under your own Tomcat Host
t) Tomcat Manager apps should reload/unload applications in real-time
u) For Load balancing check the availability of Clustered VM setups
v) It is important that your Java application/s are hosted on secure server and stable web server.

Usually, Java Applications consume a lot of server resources.It can overload the memory and other resources of the server,hence it is recommended to opt for a Semi-Dedicated Web Hosting or a Dedicated Web Hosting Server ideally.
Some web hosting providers do allow Java Applications on their Virtual Private Server (VPS), but in no time ask the clients to upgrade the plan to a dedicated server.This can cause downtime to your websites, as migration to a dedicated server takes atleast 24-48 hours.Hence, it is suggested to get a dedicated server.You must first contact the web host, make them aware of your requirements,they can suggest you the most appropriate web hosting package to serve your purpose.

Please Refer : Overview of Apache Tomcat

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Below is the continuation of the previous article: Frequently Used Terms in Web Hosting Industry : Part 1

MS SQL
It is a database management system which is a Microsoft product. MS SQL databases are offered only with Windows Web Hosting packages.

MySQL
MySQL is a database server.It is most commonly used with PHP.MySQL can be availed with Linux Web Hosting packages as well as Windows Hosting packages.

Perl
Perl is preferred and renowned scripting or programming language.It is considered to be one of the most powerful languages used for scripting. It is most commonly used for CGI scripts. With Perl building and testing of programs get simplified.

PHP
PHP is an Open source, server side HTML embedded scripting language that is typically used for creating dynamic web pages. Since it is released under Open source GNU, it is freely downloadable. Web masters prefer to use it on Linux/Unix Servers.

POP3: Post Office Protocol
It is a type of protocol that  is used for receiving E-mails. When using an E-mail client to retrieve email messages, the client communicates with the mail server via POP3.

Primary DNS : Primary Domain Name Server
It is the Primary domain name server for the customer domains. These are the DNS IP numbers often preceeded as ns1.domain.com and ns2.domain.com.

Root Server
Its a machine thats loaded with softwares and data that is required to locate the name servers which contain authoritative data for the top level domains.

SMTP : Simple Mail Transfer Protocol
This is main protocol that is used to send  and receive e-mails over the Internet.

SSL : Secure Socket Layer
It is a protocol designed to enable encrypted and authenticated communications across the World Wide Web.SSL is usually used for secure communication between web browser and the servers. The URL that starts with “https” indicates that the website is secured with SSL.SSL Certificates are installed on the domains of websites that involve online transactions.

TCP/IP
TCP/IP is a protocol that defines the Internet. It indicates how data can be transmitted between hosts. It is most widely used standard of communication. This set of communication protocols to connect to host servers over the Internet.

Telnet
It is a program that is used to login from and Internet site to the other. It is actually a protocol used to access machines placed at remote remote locations. You can connect to any server over the Internet that has telnet server.

TLD : Top Level Domains
It is the suffix of the domain name for example .co., .org , .gov, .net etc. It is the highest level in the hierarchy of doman extensions.

Tomcat
Tomcat is a Java based web server software created to run Java Server Pages (JSP) in the web applications.

Unix
Unix is an operating system that is used on business class computers often known as servers. It is a similar operating system to DOS and MacOS. It is one of the most common operating systems used on servers.

Virtual Server
A virtual server is nothing but a web server that shares its resources with multiple users hosted on a single physical server. In this, users get to experience dedicated server like environment.You are provided with complete admin access of the server.As a matter of fact, a VPS Hosting package is one of the most preferred type of web hosting solution.

Web Server
A web server is nothing but a computer that delivers web pages.It is important that the server is connected to the World Wide Web inorder to deliver webpages upon request.

Web Site Traffic
Website traffic refers to the volume of visitors visiting a website. The tool that measures the traffic is referred as the website traffic reporting tool.

XML : eXtensible Markup Language.
XML is a programming language which allows designers to create their own tags to indicate specific information. W3C (World Wide Web Consortium) is a widely used standard which facilitates the interchange of data across computer applications. It is similar to the language used for Web pages HTML.

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