Gzip HTTP Compression

Hello,
Is it possible to retrieve gzipped http compressed data in a mobile flex application? I have tried using URLLoader with no luck. I have also tried using HTTPService with no luck.
In both requests I have added the following but it doesn't seem to make a difference.
HTTPService:
httpService.headers = new URLRequestHeader('Accept-Encoding','gzip');
URLLoader:
request.requestHeaders.push(new URLRequestHeader('Accept-Encoding','gzip'));
loader.dataFormat = URLLoaderDataFormat.BINARY;
In the progress handler of URLLoader it picks up the event.bytesTotal as being correct but when the data is downloaded it is not downloading as compressed. For example the compressed data is 8.1K as reported by event.bytesTotal but URLLoader is downloading 165K as displayed by event.bytesLoaded. This makes a huge impact on application speed relating to time taken to download data over a 3G network, especially for a data hungry app. Any help on this matter would be appreciated.

Hi,
Yes, as each request pass through the IIS, everything will be compressed. And also it depends on the CPU utilization and settings done during the compression. As per the article if the CPU utilization is 90% or above compression does not performed.
https://www.nothingbutsharepoint.com/sites/itpro/Pages/SharePoint-Compression-in-IIS.aspx
Please mark it answered, if your problem resolved or helpful.

Similar Messages

Http compression gzip compression SharePoint 2013

Hi All,
Can we enable http compression for SharePoint 2013 web application?
Many Thanks,
sudesh withanage

Hi,
Yes, as each request pass through the IIS, everything will be compressed. And also it depends on the CPU utilization and settings done during the compression. As per the article if the CPU utilization is 90% or above compression does not performed.
https://www.nothingbutsharepoint.com/sites/itpro/Pages/SharePoint-Compression-in-IIS.aspx
Please mark it answered, if your problem resolved or helpful.

How to verfiy the http compression

Hi, I'm using Sun ONE Web Server 6.1, and have configured it to compress the content on demand.
I received the following http response, but in both cases of turning on/off the compression on demand.
HTTP/1.1 200 OK
Server: Sun-ONE-Web-Server/6.1
Date: Thu, 13 Jan 2005 09:36:29 GMT
Content-Type: text/html
Transfer-encoding: chunkedHow can I verify the compression work?
Will it show different result in case of turn on/off the compression?
TIA,
Matthew

Sorry about that. Because you pasted in an HTTP response, I assumed you already knew how to manually submit HTTP requests.
You can use telnet to submit HTTP requests, impersonating a web browser. Here's an example on a Solaris machine, mbelshe, where I have a Web Server instance running on port 2600:    elving@mbelshe:~> telnet mbelshe 2600
    Trying 10.5.80.146...
    Connected to mbelshe.
    Escape character is '^]'.
    GET / HTTP/1.0
    HTTP/1.1 200 OK
    Server: Sun-Java-System-Web-Server/7.0
    Date: Mon, 17 Jan 2005 01:53:26 GMT
    Content-type: text/html
    Last-modified: Thu, 13 Jan 2005 21:13:53 GMT
    Content-length: 355
    Connection: close
    <html>...</html>
    Connection to mbelshe closed by foreign host.
    elving@mbelshe:~> The stuff in bold is the stuff I typed. I'll try that same HTTP request again, but this time indicate that I want a compressed response:    elving@mbelshe:~> telnet mbelshe 2600
    Trying 10.5.80.146...
    Connected to mbelshe.
    Escape character is '^]'.
    GET / HTTP/1.0
    Accept-encoding: gzip
    HTTP/1.1 200 OK
    Server: Sun-Java-System-Web-Server/7.0
    Date: Mon, 17 Jan 2005 01:53:27 GMT
    Content-type: text/html
    Last-modified: Thu, 13 Jan 2005 21:13:53 GMT
    Content-encoding: gzip
    Vary: accept-encoding
    Connection: close
    MP�N�0...��\�
    Connection to mbelshe closed by foreign host.
    elving@mbelshe:~> Note that when I ask for a compressed response, the server responds with a Content-encoding: gzip header and spews out gobbledygook instead of HTML.
There are other, prettier ways to get this sort of information. One such way is the LiveHTTPHeaders extension for Mozilla and Firefox. There's more information on that extension at http://livehttpheaders.mozdev.org/.

WebService Client - how to enable HTTP Compression

Hi
I have written a simple WebService Client. The WebService expects that the WebService clients enable HTTP compression. This is the exact text from the docs:-
""1. Client should be HTTP Compression enabled
HTTP Compression had been made mandatory for API�s. Thus API�s client should
include �Accept-Encoding: zip� header as part of request and should be able to
handle compressed data. Please note that system will send an error message if client
are not http compression enabled saying client should be compression enabled."
I do not know how to enable HTTP compression in the WebService Client. The method called is "GetInstantaneousFlowData". It accepts no arguments and returns xsd:datetime.
The wsdl can be found at:-
http://energywatch.natgrid.co.uk/EDP-PublicUI/PublicPI/InstantaneousFlowWebService.asmx?WSDL
Can someone please help :-
import javax.xml.rpc.ServiceFactory;
import javax.xml.rpc.Service;
import javax.xml.rpc.Call;
import javax.xml.rpc.ParameterMode;
import javax.xml.namespace.QName;
import java.util.Calendar;
public class TestNGPubTime4 {
public static void main(String[] args) throws Exception {
     // Setup the global JAX-RPC service factory
     System.setProperty( "javax.xml.rpc.ServiceFactory", "weblogic.webservice.core.rpc.ServiceFactoryImpl");
// create service factory
ServiceFactory factory = ServiceFactory.newInstance();
// define qnames
String targetNamespace = "http://www.NationalGrid.com/EDP/BusinessEntities/Public/";
QName serviceName = new QName(targetNamespace, "InstantaneousFlowWebService");
QName portName = new QName(targetNamespace, "InstantaneousFlowWebServiceSoap");
QName operationName = new QName("http://www.NationalGrid.com/EDP/UI/GetInstantaneousFlowData",
     "GetLatestPublicationTime");
// create service
Service service = factory.createService(serviceName);
// create call
Call call = service.createCall();
// set port and operation name
call.setPortTypeName(portName);
call.setOperationName(operationName); // add parameters
     call.setProperty(Call.SOAPACTION_USE_PROPERTY, Boolean.TRUE);
     call.setProperty(Call.SOAPACTION_URI_PROPERTY, "http://www.NationalGrid.com/EDP/UI/GetInstantaneousFlowData");
//     call.setProperty(Call.ENCODINGSTYLE_URI_PROPERTY, "http://schemas.xmlsoap.org/soap/encoding/");
call.setReturnType(new QName( "http://www.w3.org/2001/XMLSchema","datetime") );
// set end point address : soap address location
call.setTargetEndpointAddress("http://energywatch.natgrid.co.uk/EDP-PublicUI/PublicPI/InstantaneousFlowWebService.asmx");
// invoke the remote web service
Calendar result = (Calendar) call.invoke(new Object[] {});
System.out.println("result=" + result);
}

Rishika,
Thanks for your reply.
Could I get clariffication on some more thing?
I am using Axis 1.4 version. And I am able to implement the gzip while doing the following steps.
1) Change the pivote value to CommonsHTTpSender.
<transport name="http" pivot="java:org.apache.axis.transport.http.CommonsHTTPSender"/>
2) public class RetreiveReservationsSOAPBindingStubLocal extends RetreiveReservationsSOAPBindingStub.
I Override the method to support GZIP.
org.apache.axis.client.Call _call = super.createCall();
call.setOperation(operations[0]);
_call.setUseSOAPAction(true);
_call.setSOAPActionURI("retreiveReservations");
_call.setEncodingStyle(null);
call.setProperty(org.apache.axis.client.Call.SENDTYPE_ATTR, Boolean.FALSE);
call.setProperty(org.apache.axis.AxisEngine.PROPDOMULTIREFS, Boolean.FALSE);
call.setProperty(HTTPConstants.MCACCEPT_GZIP, Boolean.TRUE);
call.setProperty(HTTPConstants.MCGZIP_REQUEST, Boolean.TRUE);
call.setSOAPVersion(org.apache.axis.soap.SOAPConstants.SOAP11CONSTANTS);
_call.setOperationName(new javax.xml.namespace.QName("", "retreiveReservations"));
super.setRequestHeaders(_call);
super.setAttachments(_call);
Object resp = call.invoke(new Object[] {retreiveReservationsRequest});
I am able to send and receive the request and response in gzip encoded format.
Now my clarrification is,
Is it possible to set the piote value to CommonsHTTPSender for the transport http through my code?
How could I set the values from code?
Reason is, I don't want to manually edit the axis 1.4's client-config.wsdd
Since this is very critical thing, please please help me.
Thanks in advance.
Regards,
Nishad Ponery

HTTP Compression causes HTTP2228: Response content length mismatch

Dear All,
My application use iPlanet 6.1, recently we have enabled HTTP compression for the webserver.
Which inturn does not picking up style sheet and results with bad look and feel on front end.
On the back iPlanet logs we see some errors like
warning (23569): for host xxx.xxx.xxx.xxtrying to GET /zbank2/css/zbank.css, finish-response reports: HTTP2228: Response content length mismatch (315 bytes with a content length of 945)
Could you please help to resolve this problem
Thanks,
Jude

Can you send your css file? I tried it on Web Server 7.0 update 3 seems to be working fine.
I made a css file from [http://www.w3.org/Style/Examples/011/firstcss|http://www.w3.org/Style/Examples/011/firstcss]
$cat mystyle.css
body {
padding-left: 11em;
font-family: Georgia, "Times New Roman",
Times, serif;
color: purple;
background-color: #d8da3d }
ul.navbar {
list-style-type: none;
padding: 0;
margin: 0;
position: absolute;
top: 2em;
left: 1em;
width: 9em }
h1 {
font-family: Helvetica, Geneva, Arial,
SunSans-Regular, sans-serif }
ul.navbar li {
background: white;
margin: 0.5em 0;
padding: 0.3em;
border-right: 1em solid black }
ul.navbar a {
text-decoration: none }
a:link {
color: blue }
a:visited {
color: purple }
address {
margin-top: 1em;
padding-top: 1em;
border-top: thin dotted }
$cat myhtml.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
<head>
<title>My first styled page</title>
<link rel="stylesheet" href="mystyle.css">
</head>
<body>
This is style.html
</body>
</html>$cat obj.conf
<Object name="default">
AuthTrans fn="match-browser" browser="*MSIE*" ssl-unclean-shutdown="true"
NameTrans fn="ntrans-j2ee" name="j2ee"
NameTrans fn="pfx2dir" from="/mc-icons" dir="/export1/wsNov4/iplanet/ias/server/work/B1/SunOS5.8_DBG.OBJ/lib/icons" name="es-internal"
PathCheck fn="uri-clean"
PathCheck fn="check-acl" acl="default"
PathCheck fn="find-pathinfo"
PathCheck fn="find-index-j2ee"
PathCheck fn="find-index" index-names="index.html,home.html,index.jsp"
ObjectType fn="type-j2ee"
ObjectType fn="type-by-extension"
ObjectType fn="force-type" type="text/plain"
Service method="(GET|HEAD)" type="magnus-internal/directory" fn="index-common"
Service method="(GET|HEAD|POST)" type="*~magnus-internal/*" fn="send-file"
Service method="TRACE" fn="service-trace"
Output fn="insert-filter" filter="http-compression" type="text/*" vary="on" fragment-size="8096" compression-level="6"
Error fn="error-j2ee"
AddLog fn="flex-log"
</Object>
<Object name="j2ee">
Service fn="service-j2ee" method="*"
</Object>
<Object name="es-internal">
PathCheck fn="check-acl" acl="es-internal"
</Object>
<Object name="cgi">
ObjectType fn="force-type" type="magnus-internal/cgi"
Service fn="send-cgi"
</Object>
<Object name="send-precompressed">
PathCheck fn="find-compressed"
</Object>
<Object name="compress-on-demand">
Output fn="insert-filter" filter="http-compression"
</Object>Sent a request, but I didn't see any errors
[07/Nov/2008:12:58:53] finest (22021): GET /mystyle.css, func_exec reports: executing method="(GET|HEAD|POST)" type="*~magnus-internal/*" fn="send-file" Directive="Service"
[07/Nov/2008:12:58:53] finest (22021): GET /mystyle.css, func_exec reports: executing fn="insert-filter" filter="http-compression" type="text/*" vary="on" fragment-size="8096" compression-level="6" Directive="Output" magnus-internal=""
[07/Nov/2008:12:58:53] fine (22021): inserted filter http-compression
[07/Nov/2008:12:58:53] finest (22021): GET /mystyle.css, func_exec reports: fn="insert-filter" filter="http-compression" type="text/*" vary="on" fragment-size="8096" compression-level="6" Directive="Output" magnus-internal="" returned 0 (REQ_PROCEED)
[07/Nov/2008:12:58:53] finest (22021): GET /mystyle.css, func_exec reports: method="(GET|HEAD|POST)" type="*~magnus-internal/*" fn="send-file" Directive="Service" returned 0 (REQ_PROCEED)...ssltap shows the response was encoded :
--> [
GET /mystyle.css HTTP/1.1^M
Host: ....
User-Agent: Mozilla/5.0 (X11; U; SunOS sun4u; en-US; rv:1.8.1.2) Gecko/20070225
Firefox/2.0.0.2^M
Accept: text/css,*/*;q=0.1^M
Accept-Language: en-us,en;q=0.5^M
Accept-Encoding: gzip,deflate^M
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7^M
Keep-Alive: 300^M
Connection: keep-alive^M
Referer: http://.../myhtml.html^M
Cookie: SUN_ID=129.147.37.51:287861225347735; s_vi=[CS]v1|48F6E7BF00000316-A02082200000556[CE]; nfTimeStamps=19700101000000%7C19700101000000%7C19700101000000; nfSettings=112101110%7C%7Cen_US%7C%7C0%7C60%7C-1%7C%7Cweek%7C-1%7C; location=US;
s_cc=true; s_sq=%5B%5BB%5D%5D; AMAuthCookie=AQIC5wM2LY4SfczkxcjsoIVQbGnnqbFrqk8lWxYT1xzFVlE%3D%40AAJTSQACMDI%3D%23^M
^M
<-- [
HTTP/1.1 200 OK^M
Server: Sun-Java-System-Web-Server/7.0^M
Date: Fri, 07 Nov 2008 07:28:53 GMT^M
Content-type: text/css^M
Last-modified: Fri, 07 Nov 2008 07:20:29 GMT^M
Etag: W/"277-4913ec3d"^M
Content-encoding: gzip^M
Vary: accept-encoding^M
Transfer-encoding: chunked^M
^M
165^M
^_\213^H^CU\222\301N\3030^L\206\357{
^K\256\313\2641!A8q^Z'^N^[/\3406nk-M\252$\355\250\320\336\2354)l\315\245\262^?\307\376?\247\205U#\374\254:T\212M-4UA\302nG\355[\314V\326^DQa\313z\224p \353j\3065<|qK^^>\351^BG\333\242yX\307\322|\222\262^FO\216\253\251Ai\265u^R\272\336u\232\246D\201\345\271v\2667J\314\332\243zQ\270Wp]\365zcp(\320%G\232}^P>\214\232D^X;\222`\254I-f\253^R\266S\324b4e\346\240\263\236^C\333^Xb\341\255\356C\272^Pl'\341)^S\315|9\270\260
\215\204Wj\343\364f\227\306.\220?H^O^T\270\214\320^G24\304\357\273c\3247\340SoNh\2748R\335kt^Q}\212^R\377\202Hs\352~\303\227pi8\373\373G\330<G'\333%\343f\237\275^V\326)r\302q\335d\210\200\254\240\320\261\345b^T\246I\201\276\203PTZ\207y#\323\372b^]J\315\346\234J\346^G(t\237\205\201\343\366H\335k\371\341&U)G\336'-\373^Ui\255\363&\377~\237\373\334\3548\245B\303^F\224^MS\373\353j\365^K O\2450w^B^M
0^M
^M
]

OSB - Support for HTTP Compression

Does OSB 10.3.1 or any previous versions of it support HTTP compression. We have a requirement to integrate the service bus to integrate with a web service which is capable of returning SOAP response with GZIP encoding.
We can explictly request the service to turn on compression by setting accept-encoding in the http request using transport headers. Can any one confirm whether OSB decompress the response before handling it to message flow.
Thanks,
Atheek

This is important feature that is missing I feel. we could not use OSB business service feature much, because of the same.

ADF and HTTP compression

Hello!
The customers compain that the their ADF application is not running as fast as their favorite sites (some of the customers have slow internet connection). We all know that the framework is rather heavy (the app is made with jdev 11.1.1.2.0), so is there any chance to speed it up with the http compression?
I need to figure out if ADF is compression-safe. If so, then how to enable the http for the application? Is there a specific weblogic filter, or I can use any such filter I found in the net?
Would I better use in-front Apache for this kind of job? Is there any documentation on how to set up the compression for the app, or maybe somebody has a positive experience that one can share?
Regards,
Eugene

Hi again,
I successfully patched the GZIPFilter to work with ADF Faces.
I found where and what the filter problem related to /faces/* URL is. It is related to the internal implementation of the Faces Servlet, which flushes the response's output stream before any real output has been written yet. In this way the response headers are flushed to the output stream before a header "Content-Encoding: gzip" has been added (which is done first time when some real output is written to the output stream). You can patch the GZIPFilter to support ADF Faces as follows:
1) Modify the method GZIPResponseWrapper.flushBuffer() as follows:
public void flushBuffer() throws IOException {
    if (debug) p("flushBuffer");
    if (gstream == null) return;
    response.setHeader("Content-Encoding", "gzip"); // This line is added
    gstream.flush();
    super.flushBuffer();
}2) Modify the method GzipServletOutputStream.init() as follows:
private void init() throws IOException {
    if (os != null) return;
    response.setHeader("Content-Encoding", "gzip"); // This line is modified from addHeader() to setHeader()
}3) Map the GZIPFilter to /faces/* URL-pattern in web.xml (not to the Faces Servlet, because there is some problem when the mapping is to the servlet instead of an URL-pattern);
4) Move the GZIPFilter before any other servlet filters in web.xml.
There is another one problem. There are some ADF Faces images accessed under the URL /faces/resources/images/*. If you map the servlet filter to the /faces/* URL-pattern (or to the Faces Servlet), then the filter will try to compress these images too. The problem is that the images are in "compressed" formats, so additional compression would be unnecessary overhead. The URL-pattern in filter mappings in web.xml does not allow specifying exclusions, so if you specify /faces/*, you will include these images too. To workaround this you can modify the method GZIPFilter.doFilter() to check the URI in order to avoid double-compressing the images:
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
    HttpServletResponse res = (HttpServletResponse)response;
    HttpServletRequest req = (HttpServletRequest)request;
    if (req.getAttribute(WL_GZIP_FILTER) != null
        || req.getRequestURI().startsWith("/faces/resources/images", req.getContextPath().length()))) // This line is added
      chain.doFilter(request, response);
      return;
}Dimitar

Does iPlanet support http compression?

I see mention of boostweb on your site, but I understand they are recommending using a separate server rather than being installed on the same machine as iPlanet. Is anyone using HyperSpace or anything else that runs on the same server as iPlanet?
I don't like the complexity of having an additional hardware layer.

Even if iPlanet supports http compression, this will not be an adequate solution for a) some Netscape browsers (gzip bug), or b) Internet Explorer pages with <script> tags inline (browser bug).
Boostweb shouldn't be run on the same server as your webserver unless you have extremely powerful hardware (and it costs per CPU). Another alternative is a drop and go appliance like AppCelera (Packeteer's product).

What are the required settings to enable HTTP Compression?

I am running into download speed issues with some of my clients. I am looking for ways to improve download response without having to rewrite my system(s).
On the server side, I am using CF 8.01 on a W2003 system. I have enable HTTP Compression for the web site in IIS 6.0 for both static and dynamic files.
On the client side where I am doing my testing, I am using IE 8.0 on a W7 professional system. In I.E., I have enabled HTTP 1.1 under advanced options and am using Automatic mode as the download methodology for Temporary Files.
It is my understanding that there is nothing that I have to do to CF to enable HTTP Compression.
It does not appear to work because the downloaded cfm files (5717 and 694389) are the same size regardless of these setting. In addition, I am using HttpWatch to determine all of the time and size parameters for each request. HttpWatch tells me in the summary that there are no HTTP Compression savings; i.e., HTTP Compression saving: 0 bytes. Based upon some of the info I've read on the web, I would have expected 50% to 75% savings since the two files being downloaded are both dynamic text files. All of the graphics, javascript, css files are cached so they do not figure into the equation.
Is there something else beyond the IIS and IE settings that needs to be done to implement HTTP Compresssion???
Thanks in advance for your suggestions/help.
Len

Adam,
I have read the references and may now be confused, but it seems to me that just doing the standard IIS Manager setup, which is what I've done, will not compress CFM files since the only things that are compressed under dynamic files are exe, dll and asp.
One would think that CF should have added CFM to the list of compressed dynamic files when it was installed as it does with default.cfm, but maybe I'm expecting too much.
If I am correct about this, then it would seem that I'm going to have to customize the compression setup as described in this quote from the reference,
"Specify additional file types to compress. Edit the ... HcScriptFileExtensions metabase property (for dynamic files) to apply compression to additional file types."
Am I misunderstanding this document???
Len

Performance tuning with HTTP compression

We currently are using Oracle 11g and IE8. The 11g UI has been pretty slow and when i looked up for perfomance tuning one of the methods was http compression as stated in the link below -
http://blogs.oracle.com/pa/entry/obiee_11g_user_interface_ui
The portion of the above information of the has been actually except from Oracle Support ID (1312299.1).
Now I have made the changes as suggested but am wondering how can i test it to make sure the changes have surely improved the performance or not. It doesnt talk of any testing or verification methods.

Just curious , what is the compression ratio ..?
i mean by how much does the volume come down when the records are moved from F to E tables.
also is the time spend on compression of the Cube or on the aggregates or on the deletion of records in the F table..?
what is the ratio of aggregate volume to the cube volume...?
You might want to set an trace on the compression session to get answers on where it is spending most of its time
Compression is equivalent to executing a query on the F table and summarising the results with the request ID column , appending the results to E table and deleting the compressed request from F table.
Thanks.

Gzip and compress slow on T6320

So far testing has shown that gzip and compress run 2-3 times slower on the new blades as on the older V-440s.
Mkfile, Tar, unzip, rm rf, and Copy run at about the same speed.
I have eliminated LDOMs, RAM, swap, and local hard drives as issues (by putting SWAP and the target directory on SAN, and running in single user mode).
Dusting off my performance tuning hat - been a long time - any hints as to where to look would be greatly appreciated.

Further research found that the problem is with the Niagra chip - for single threaded processes it is "less efficient" than the older SPARC chips (it blows). For most applications that use a large number of small threads these chips rock (pun intended) - BUT for large single thread jobs (like gzip or compress) the processor is just not as fast. Sun recommends checking Oracle jobs for large sequential queries, and breaking these into many smaller queries.
Experience so far has been that 4 threads on the T6320 can match 2 CPUs on a F-280 for our Oracle instances, the only problem has been with the backups, where a large number of files are gzip'd. With 64 threads available we will increase the number of threads during the backup window - or - be more patient.
gzip version was not considered since the performance issue arises with compress also.

SAP Java lib for SOAP: is there any chance to use HTTP-compression?

We use 3rd party web service in java, they plan to use HTTP-compression to save the bandwidth. At the moment I have no idea how to turn it on in SAP Java libs for SOAP.
Any help will be appreciated.

Hi Kirill,
HTTP-compression is something, which occurs at the HTTP protocol level (transparent and below the SAOP protocol) and is controlled by HTTP protocol headers.
To enable HTTP-compression, you will "somehow" have to manipulate the http layer of the SAP SOAP stack.
Good starting point to look for further information is the NWDS help. Use the search topics "header compress".
Regards
Gregor

6500 CSM-S and HTTP compression

Is there any plans for the 6500 CSM-S module to support http compression along with ssl offload and SLB features?

John,
No plans at this time, due to the CSM not having the CPU power to do so.
The CSS product line with version 8 code and integrated ssl module now has this feature.
Peter

BW Http Compression

We're looking into improving performance in BW reporting and one of the things we are considering is Http Compression.
I've read note 550669 and am comfortable setting this up.
My question is concerning reasons not to do this. I always here about the positives of compression but haven't heard anything about the negatives of gotchas.
Any input is appreciated.
Thanks,
Steve

I can not really think of a good reason not to use http compression. haven't done any studies, but stuff I have seen suggests a 3 to 1 reduction in datapackets, so that should only your network happier.
It's been around for a while and is a gnerally accepted practice so you're certainly not on the bleeding edge.

SSRS HTTP Compression

I want to know if SSRS 2012 support the http compression? or if there is another way to reduce the size of the files when is sending through the network.

I think you can enable the CSS to compress HTTP text data returned to clients through the SSL compression module. Compressing HTTP response data improves performance for clients using dialup and other slow speed links and reduces the amount of bandwidth that the server data consumes.

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