Joe Pruitt

Scaling Ruby on Rails to 1 Billion Page Views a Month

Joe Pruitt — Tue, 15 Jul 2008 17:41:57 GMT

A while ago I blogged about how F5 was making mongrels better with a Side of Mayo. I referenced a blog post on Joyent's wonderful Joyeur blog on why Joyent uses F5's BIG-IP for their customers. Well, those krazy kids at Joyent are at it again...

In a recent post, Joyent point out how LinkedIn, a customer of theirs, built a Facebook application called BumperSticker using Ruby On Rails. LinkedIn made use of Joyent's Accelerators and our very own BIG-IP to scale Ruby on Rails to some very significant numbers.

13.5 million installations
1.5 million daily active users
20-27 million canvas page views a day

All this is served by

13 web application servers running nginx and mongrel.
8 static asset servers serving over 3,500,000 stickers, soon to migrate to a CDN.
4 MySQL servers in a master/slave configuration using Rick Olson's excellent masochism plugin.

For those video inclined, Joyent has an added bonus: check out the video they put together on the subject.

So, as the Twitter's out there continue to have availability issues and the debate continues as to the scalability of Ruby on Rails, BIG-IP helps show that with a good design and infrastructure planning, big things are possible. Keep up the good work Joyent! Oh, and if you ever want to do a guest spot on the DevCentral Podcast, please let us know. Oh, and if you ever need a guest for your Quad Core podcast, let me know - I'd be glad to sit in!

Technorati Tags: F5, DevCentral, Joyent, Joyeur, LinkedIn, Ruby on Rails, Joe Pruitt

Categories: BIG-IP , iRules , ISV Solutions , Security

Japanese Marketing - BIG-IP

Joe Pruitt — Tue, 01 Jul 2008 21:21:35 GMT

Here's another post on Japanese Marketing, F5 Style. I've talked about iRules, TMOS, and FirePass and for today I've got our very own BIG-IP. As I mentioned in my previous posts, since I don't speak Japanese, the only way I can interpret this marketing sheet is by the graphics on it. So, again, I'll give you my view on what the message is:

The guy in this photo is not really a guy at all, he's a puppet since there is no bottom half to his body.
The left picture shows him with a blue forehead - not sure what to infer from that.
The puppet has the added "Spock from Star Trek Eyebrow Lift" that was made famous by Leonard Nimoy in the original Star Trek series.
BIG-IP works like 4 stars in a data center with three racks of servers, but it gets a 5th star when you increase the number of racks to twelve. Plus you get an added blue glow out of your data center!
Four points are presented around this 5 star blue glow (you'll notice there are four points on each star!). The first one being BIG-IP and iRules, the second being L3 and ICMP, the 3rd is PVA, and the 4th is HTTP.
If the four points aren't good enough for you, I bet you didn't know there was a built-in matchmaking service available. There is a nifty flowchart guiding you to your ideal product match. I ran through the flowchart and here's where I ended up:

Do you like lots of ports to stick your wires? : Yes - Move to the right
Are you looking for a partner in the with a healthy 2U figure? : Yes - Move to the right.
Do you need 1Gbps? : Yes - Move down.
Are you sure you want a 2U figure? : Yes - Move down.
Do you need 10Gbps? : Yes - Move down.
That leads me to the 8400 as my ideal match.

So, there it is. While BIG-IP didn't have as many unexpected features as FirePass did, it sure did make up for it in sheer muscle. So, I'm an 8400, which one are you?

-Joe

Technorati Tags: F5, DevCentral, iRules, TMOS, FirePass, BIG-IP, Japan, Tokyo, Joe Pruitt

Categories: BIG-IP , F5 , iRules

Japanese Marketing - FirePass

Joe Pruitt — Thu, 26 Jun 2008 20:22:56 GMT

So you thought I was finished with the Japanese Marketing, F5 Style huh? Well then you'd be wrong! Today I've got another marketing sheet focused on F5's SSL-VPN FirePass. As I mentioned in the last two posts, I don't speak Japanese so my only way of telling what the message with these sheets are is by looking at the pictures. So, I'll go ahead and give my observations and see how close I am to the true message of the material.

Unlike yesterday's post on TMOS, the guy in the middle does NOT look very happy.
There is a BIG Problem lurking behind the three gentlemen.
The unhappy guy, unlike yesterday's guy, does seem to have his name AND picture on his badge so he's most likely an employee that's been around for a while. Maybe that's why he's unhappy.
The sad guy is dripping some serious sweat likely due too much Pocari Sweat that morning - or it could be from the bubbles coming out of his head.
The sad guy is standing next to two guys in suits and he's in a more casual turtle-neck so he could be getting yelled at for not dressing up for work that day. I know I got some comments (but not yelled at) when I showed up in shorts and a T-Shirt before the partner conference while I was in Tokyo.
The guys on the right and left seem to be angry at each other. The one on the right (glasses guy) looks seriously ticked off while the guy on the left (long hair guy) looks like he's sporting an attitude of not caring what the other one is saying. It could be that sad guy is a mediator in their feud over who is the better Sumo wrestler: Kotooshu or Asashoryu. In fact, these two look just like Jeff and I did at the Sumo match in May.
On the back of the sheet, glasses guy now thinks he's The Fonz, long hair guy has a rubber-band hand gun, and turtleneck guy is playing rock-paper-scissors with himself.
So, obviously FirePass helps with office attire policies, removing bubbles from your head, Sumo wagering disputes, reliving 70's sitcoms, preparing to be a wild-west cowboy, training you for the RPS Championships.

Bet you didn't know FirePass could do all these things for you did you? The folks in Japan sure do! So, don't walk, but run over to F5.com and order yourself up your very own FirePass and you can be as happy as these three guys!

-Joe

Technorati Tags: F5, DevCentral, Japan, Tokyo, Marketing, FirePass, Pocari Sweat, The Fonz, Rock-Paper-Scissors, Sumo, Joe Pruitt

Categories: DevCentral , F5

Japanese Marketing - TMOS

Joe Pruitt — Wed, 25 Jun 2008 16:56:48 GMT

Continuing on from yesterdays post on Japanese Marketing with iRules, today I've got a new one for you. Today's Japanese Marketing sheet is brought to you by TMOS. As I did with the iRules version from yesterday, I'll pass along my interpretation of what's going on with the guy above.

This guy looks very very happy!
The BIG-IP he's looking at seems to be on a shelf and not racked up in a data center so I assume he's looking at the local network appliance store in Akihabara. This was news to me as I wasn't aware we were selling in the retail channel. I wonder if he's paying with cash? Hello sir, that will be 5,000,000 yen please...
The BIG-IP seems to be a 8800 so this guy is expecting some heavy traffic on his network.
He has a name badge with a picture but no name so I'm surprised they gave him the corporate credit card on his first day on the job.
He is happily liberated from the pocket protector for the pen in his pocket.
He is missing his bottom half. How's he going to get his wallet to pay for the 8800?

So, if you want to be as fulfilled with your job as this guy is, head on down to your local network appliance store and pick up your very own 8800. Oh, and tell them Joe sent you - I want my commission B-).\

Stay tuned for tomorrows marketing coverage of FirePass.

-Joe

Technorati Tags: F5, DevCentral, Tokyo, Japan, Marketing, Cartoons, TMOS, Joe Pruitt

Categories: BIG-IP

Japanese Marketing - iRules

Joe Pruitt — Tue, 24 Jun 2008 21:17:43 GMT

While Jeff and I were in Tokyo a few weeks back, we spent some time in F5's office and what immediately caught my eye was the lack of human models in their marketing literature. As you can see in the above sheet, artists drawings are used instead of photos of real people. In fact, this isn't just a tech thing because the same can be seen while riding on the subway. I don't know this for a fact, but I would wager a couple of yen on the fact there is one artist in Japan that does all the ad work because they all look very similar in nature (I'm sure that's not the case, but it sure seems like it).

Anyway, since I figured folks on this side of the planet don't often see these types of things, I brought a few pieces home and as I scan them in, I'll post them to the blog.

Oh, and don't ask me what they mean. The only thing I can tell you about the one above is that it's focused on some guy writing an iRule letter to his BIG-IP and it get's auto-deployed into his network. Anyone care to translate for me?

If you want a larger version, click on the above images and you'll get the full sized scanned images.

Enjoy!

-Joe

Technorati Tags: F5, DevCentral, Tokyo, Japan, Marketing, Cartoons, iRules, Joe Pruitt

Categories: DevCentral , F5 , iRules

The Battle of the Titans - Live!

Joe Pruitt — Fri, 30 May 2008 20:30:53 GMT

As I mentioned in my last post, Jeff and I had the great opportunity to go to a Sumo Tournament on our recent trip to Tokyo, Japan. By now you are probably sick of hearing about it, but I figured that you wouldn't be sick of seeing it, seeing how you haven't actually seen it yet. Well, today you are in luck. I present to you the last couple of matches in what is soon to be remembered as Kotooshu's rise to glory. If you stick with it long enough, you might even glimpse the massive (not) winnings I made on our little gambling adventure.

And so I bring you: Sumo Tokyo!

Technorati Tags: F5, DevCentral, Tokyo, Sumo, Joe Pruitt

Categories: F5 , Misc

The Battle of the Titans

Joe Pruitt — Wed, 28 May 2008 17:04:42 GMT

If you've listened to last weeks DevCentral weekly podcast, you heard that Jeff and I took a trip to Tokyo to meet with our team over there and speak at a user group meeting as well as a partner conference. It just so happened that Jeff and I were lucky enough to be in town when a Sumo tournament was taking place.

We watched a few of the battles but it really didn't get fun until the wagering began. We were betting 10 yen (10 cents US) so we weren't going to leave there rich. I was up about 100 yen ($1 USD) when the championship match took place between the reigning champion Asasyoryu (9-1) and undefeated Kotooshu (10-0). Since Jeff lost the last bet, he got the pick on this one and he opted to go with the safe bet of the champion Asasyoryu, despite a recent suspension and other controversies he's brought on himself. Not only has he feigned injuries, but he also was caught complaining to judges, and refusing to adopt Japanese citizenship and, OMG, being photographed in a suit!!! With Jeff taking the champion, I was left with the 10-0 Kotooshu which it looks like was the right choice as he not only one the match, but ultimately took the tournament.

I went ahead and picked up some souvenirs including a deck of Sumo playing cards shown above. I know Jeff's response: Kotooshu is a Queen and Asasyoryu is still King. My response to that is that the Queen kicked the Kings butt and will do it again! Long live Kotooshu!

-Joe

Technorati Tags: F5, DevCentral, Tokyo, Sumo, Joe Pruitt

Categories: DevCentral , F5 , Misc

DevCentral Tokyo - Day 4

Joe Pruitt — Fri, 23 May 2008 02:08:19 GMT

Day four on my DevCentral trip to Tokyo started with some work in the hotel room and preparations for my presentation at the first Japan DevCentral Users group meeting. I went through the slides once figuring that since I know the material pretty well, the flow of topics would be all I needed. Boy was I wrong. More the that later...

At 11:00 we headed to the F5 offices to meet some colleagues, grab some lunch and head over to the user group meeting. We have been lucky enough on this trip to have some wonderful hosts that have taken us to very small, out of the way, restaurants that have just been amazing! I've found that the quality of the food is inversely proportional to the amount of american text and pictures on the menus - meaning full Kanji menus meant very very very good food. We stopped at one of these places for lunch. It was a old residence converted into a Chinese food restaurant. I had a rice bowl with a layer of egg covered by crab with a teriyaki type sauce - mmmm! The rest of the group all had steamed dumplings that I'm told were equally as impressive. I sure miss home, but I'm going to really miss the wonderful food I've had here.

After lunch we headed to the user group meeting. Did I mention that it was being held at the US Embassy! Another first for me. Security was pretty strict. No electronics of any kind were permitted. And once we made it through the 3 checkpoints and were escorted to our room, no food or drink was allowed and you needed an escort to leave the room and walk the 1 foot to the restroom door. I was a bit worried about speaking without a water backup, but it went well.

Jeff started the talk going over DevCentral Japan and how we see the community growing. Following Jeff, the "PowerShell God" of Tokyo from Microsoft spoke about PowerShell and walked through the iControl Cmdlet's for PowerShell including the installation and execution of some of the CmdLet's to return system data. I was stoked on that one as it's always fun watching someone else demo a product you personally created! I followed that talk up with my presentation on Sumo Gambling techniques with a little bit of iControl and iRules thrown in for good measure. As usual, the iRules Optimization Tricks slide was the most popular. My talk was followed by another F5 Joe who ran some iRule challenges that each table competed in to win a prize. I'm not sure what was asked as the questions were all in Kanji but that didn't stop me from helping judge group "B" as the winners!

After a reception a group of F5 folks headed to another wonderful place for beer and sushi. Double Yum! And of course the night wouldn't be complete without a little bit of Karaoke. Let me just say this, Jeff does a mean "Born to be Wild"! It was also a treat to see some great performances of Japanese songs by our F5 colleagues.

Then after getting lost in translation for a second time (our cab driver couldn't find our hotel), we told him to drop us off at a shopping district and we took the trusty train back to the hotel. Tomorrow is the partner conference with the added bonus of seeing me in a suit. Then it's off to the airport for a red-eye back to the states.

-Joe

Technorati Tags: F5,DevCentral,Tokyo,Embassy,Karaoke,Sushi,PowerShell,Joe Pruitt

Categories: Conferences , DevCentral , F5

DevCentral Tokyo - Day 3

Joe Pruitt — Thu, 22 May 2008 14:17:21 GMT

Today marked day number 3 for Jeff and I in Tokyo. We started out the day on our search for coffee. We found us a Starbucks, but I was disappointed to find out that they have no decaf espresso! Apparently decaf coffee is an "American thing". I had to settle for drip which was actually pretty good.

Jeff and I then took a train to the Omote-Sando shopping area to do some gift shopping for our families. We ended up in Kiddyland and the Oriental Market and found some good goodies for our little ones.

We went back to the office and worked through lunch in preparation of the evenings event.

We were half joking with one of our colleagues that it would be fun to go to a Sumo match and as it turns out, there was one going on in Tokyo and we were able to get tickets! This is a lucky chance as matches last 2 weeks and there are only three matches in Tokyo the entire year. Of course we did it in DevCentral style - with some side wagering between Jeff and I. We bet 10 yen a match with a 200 yen bet for the final match between Champion Asashoryu (9-1) and undefeated Kotooshu (10-0). Jeff went with the Asashoryu and lost the rest of his remaining yen to me - Thanks for playing Jeff, let me know next time you are interested in losing more money B-). One thing about Sumo I found interesting was the way advertisers would walk banners around the ring before matches to signify how much prize money the winner would receive. I was thinking that it would be awesome to have DevCentral sponsor a Sumo match! We'll get working on that one.

After the Sumo matches were completed, we went for a walk to a Buddhist temple (see top picture) and then went to a local restaurant for some Japanese Pizza - and of course some Kirin to wash it down with. The one major thing I can say about Tokyo is that the food is awesome!

After dinner we went for a few more drinks at a building with the oddest roof decoration I've ever seen. We closed the place down and hit the train for a ride back to the hotel. Once at the hotel, I spent some time reviewing the presentation for the Japan User Group meeting that is coming up on Thursday at the American Embassy and was off to sleep for another day.

-Joe

Technorati Tags: F5,DevCentral,Tokyo,Sumo,Kotooshu,Pizza,Joe Pruitt

Categories: F5

DevCentral Tokyo - Day 2

Joe Pruitt — Wed, 21 May 2008 04:30:01 GMT

Jeff and I just finished Day number 2 in Tokyo, and what a day it was. We woke up to a typhoon outside with blistering rain and wind. We hit the coffee shop and killed some time waiting for a colleague to meet us in the lobby of the hotel.

We then headed out to the F5 offices and got settled in catching up on DevCentral stuff. Our original plan was to do some sightseeing this morning but due to the weather we opted to actually be a bit productive. One thing that I did happen to notice was that the Japan groups marketing literature was awesome! I'll scan in some images and post them on a follow up blog post and you'll see what I mean. We need to find the artist that drew those and get him to do some DevCentral promotional materials.

At around 3:00, Jeff and I went on the wild side and took a couple of trains to get us to Akihabara where they claim people come to wheel and deal in discounted electronic products. After going, I'm not sure that they have the same meaning of the word "discounted" than I do as the prices were much higher than back in the US. I really wanted to buy something but couldn't justify paying more here than at home. But, even though I didn't buy anything, just the sightseeing was well worth the trip down. Plus, we only got "Lost in Translation" a couple times on the way back which I think was pretty good considering it was our first time. The two takeaways I have from taking the trains are: 1) There are a ton of people no matter the time of day that are taking the trains; and 2) You never have to wait more than a couple of minutes to catch any train. Very fun experience!

After heading back from Akihabara, we met a couple of F5 folks for dinner at a Korean Barbeque place that was very very good. Our colleagues kept what we were eating a mystery until after we tried it which was kind of fun. I enjoyed everything except the intestines which I think I'll pass on next time. The big thing about this dinner was that you got to cook the meat yourself. I think we actually surprised our associates that we liked the spicy stuff: Kim-Che, Wasabi, etc. All in all, another excellent meal with some great conversations.

After what seemed like hours of eating, oh yeah - it was hours of eating, and drinking we stumbled back to the hotel to grab some shut-eye. I posted the DevCentral Daily before bed and hit the sack.

End of Day 2.

-Joe

Technorati Tags: F5,DevCentral,Tokyo,Akihabara,BBQ,Joe Pruitt

Categories: DevCentral , F5

DevCentral Tokyo - Day 1

Joe Pruitt — Tue, 20 May 2008 01:55:55 GMT

Jeff and I are on a little excursion this week to visit our colleagues in Tokyo, Japan this week. We are scheduled for some internal DevCentral meetings on Wednesday (which is Tuesday Seattle time. Did I mention this day change thing is hard to get used to... We then have the first DevCentral user group meeting here on Thursday the 22nd and a partner conference on Friday the 23rd and then we are back on a plane on Friday night arriving back in Seattle Friday night at roughly the same time we left. I'm sure for all you world travelers out there, this whole time-change thing is old hat, but it's hard for a noob like me to get my head round.

So, the trip started out at the Seattle airport at 2:30 on Sunday and off we went. 4 movies, a mystery chicken dinner, and an omelette breakfast later we arrived in Tokyo at around 4:00 Monday afternoon Tokyo time. We grabbed a limousine bus for a 2 hour ride through the city and made it to the Grand Prince Hotel Akasaka which is a very nice hotel with vintage Dick Cavett set decor in the rooms.

Jeff and I took off for a stroll through the neighboring streets looking for dinner and ended up at a grill with hot plates built into the table - not before being stopped by a man in the street showing me his longest finger and smiling and shouting !@#$ You! I'm not sure what I did to make him so angry, but I'll attribute it to the company I was keeping (just kidding Jeff). Back to the restaurant... I think that was the absolute best gyoza I've ever had! We topped that off with some shrimp, squid, and yakisoba. I wish I could pronounce the restaurant name to recommend it - it was AWESOME!

On the way back to the hotel we stopped by a Pachinko Gaming facility. I was interested in giving it a try and Jeff was game as well. There were these Star Trek type doors that slid open when you waved your hand in front of them - pretty cool. Little did I know that they were sound-proof since as soon as the doors opened I was completely in sensory overload. Imagine putting your head inside a huge liberty bell lined with speakers blasting electronic music at way beyond the capacity of a human ear, all the while someone has a sledge hammer banging on the bell and machines are dinging and chiming at a blistering speed - and then times that by 100. Oh, did I mention that the room was a chain-smokers dream come true. I joked with Jeff that I probably would only make 5 minutes in there. I was wrong! I made it about 15 seconds before we headed out the door. I guess I'm a light-weight when it comes to the Pachinko gaming circuit.

We headed back to the Hotel for one last drink at the "Top of Akasaka" cocktail lounge. Great Kirin beer and some interesting Carpenters live piano music was a great way finish to the night.

Tuesday is off to visit F5's office and meet with some folks and try to get a little work done before doing some sightseeing. Unfortunately for us, we brought a typhoon with us so the sightseeing may have to be trimmed down a bit. Why didn't anyone tell me to bring and umbrella! Oh well, next time I'll know.

Technorati Tags: F5,DevCentral,Tokyo,Pachinko,Gyoza,Carpenters,Joe Pruitt

The Networking ABC's - X is for X-Forwarded-For

Joe Pruitt — Fri, 16 May 2008 16:39:57 GMT

Today's word in the Networking ABC's is the letter X. There really aren't that many words that start with X so my choices for today was limited. But, luckily for you all, there is one word that stands out as a necessity for application servers hosted behind HTTP proxies. The "X-Forwarded-For" HTTP header is used to allow a proxy server to inject the true originating IP address of a client connection into the HTTP request allowing the application server to know the callers true identity.

"X" is for X-Forwarded-For

X-Forwarded-For

Pronounced: Eks-Fôr'wərd-ed-Fawr

The X-Forwarded-For (XFF) HTTP header is a de facto standard for identifying the originating IP address of a client connecting to a web server through an HTTP proxy. In this context, the caching servers are most often those of large ISPs who either encourage or force their users to use proxy servers for access to the Internet. Without the use of XFF, any connection through the proxy would reveal only the originating IP address of the proxy server, effectively turning the proxy server into an anonymizing service, thus making detection and prevention of abusive accesses significantly harder than if the originating IP address was available.

Technorati Tags: F5, DevCentral, Networking, Networking ABCs, ABCs, X-Forwarded-For, Joe Pruitt

Categories: BIG-IP , DevCentral , Security

HomePage at the Speed of Light

Joe Pruitt — Thu, 15 May 2008 22:49:12 GMT

As work days go by, I get into a routine of doing my weekly stuff: blogs, videos, tech tips, forum posts, labs projects, etc and I rarely stop to smell the roses. We'll I've been doing that a little bit more as of late. Now, don't get me wrong, I'm still working on those iControl articles, but I'm taking time to look at the big picture more and more.

One thing that stuck out to me is the speed with which the DevCentral homepage has been moving. I didn't realize how fast it was moving until I tried to find a post I did two days ago and saw it wasn't on the homepage anymore. In fact, items on our homepage don't stay there for long and I'm finding that if you don't get to them in a day or so, they'll be shuffled off into the pager.

That got me to thinking, how much content are we producing here? Now, this is by no means technically accurate and is just an assumption by my homepage viewing, so please don't go and start citing this data as fact.

Let's assume that an item lasts on the homepage for 2 days (which, I think is on the long end). That would make 5 items per day since the homepage is 10 items long. Also, let's assume that it stays constant through the work year. How many pieces of content would that be?

5 items/day * 5 days/work week * 52 weeks/year = 1300 items/year

Now that's not quite the speed of light, but it is a lot of content if I do say so myself. Oh, and that's not counting the wiki and forum updates either.

So, if anyone ever told you that DevCentral wasn't a wealth of knowledge, then tell them to check out the homepage. Each day you will get a new dose of something new. Whether it's a blog post or a technical article or a podcast or a video interview, there is bound to be something interesting on a daily basis.

Oh, and don't worry, search is very accurate so odds are if you enter a term like "Cookie Encryption", you'll find the most relevant content at the tips of your fingers!

Now, what are you waiting for, head over to the homepage and see what's new!

-Joe

Technorati Tags: F5, DevCentral, Homepage, Speed of Light, Joe Pruitt

Categories: DevCentral , F5

The Networking ABC's - W is for WAN

Joe Pruitt — Thu, 15 May 2008 16:35:16 GMT

The letter for the day in the Networking ABC's is the letter "W". WAP, Web, Windows, Wireless, and WMI are common W words but for today's word I chose the one that makes disaster recovery as well as localized service possible: WAN or Wide Area Network.

"W" is for WAN

WAN

Pronounced: Wahn

A WAN, or Wide Area Network, is a computer network whose communications links cross metropolitan, regional, or national boundaries. WANs are used to connect LANs (or Local Area Networks) and other types of networks together, so that users and computers in one location can communicate with users and computers in other locations. The largest and most well-known example of a WAN is the Internet.

Technorati Tags: F5, DevCentral, Networking, Networking ABCs, ABCs, WAN, Joe Pruitt

Categories: BIG-IP , F5

The Networking ABC's - V is for VIP

Joe Pruitt — Thu, 08 May 2008 19:17:21 GMT

The letter for the day in the Networking ABC's is the letter "V". Vary headers, verification, and VLAN's find a home with the letter V, but I opted for a word that enables scaling of websites by virtualizing the resources. Todays word is the word "VIP"

"V" is for VIP

VIP

Pronounced: vip

VIP, not be confused with V.I.P. or Very Important Person, stands for Virtual IP. A Virtual IP is a mechanism to allow for scalaing and maintenance no a physical resource by virtualizing the access to that device. A server is accessed by it's network address. By configuring a virtual address to an application (say www.f5.com), a company is able to install many physical servers behind the virtual address that provide access to the requested application while exposing it through a single network address. Even with the advances in computing power, active websites cannot be supported by a single computer and rely on some form of virtualization, also known as load balancing.

Technorati Tags: F5, DevCentral, Networking, Networking ABCs, ABCs, VIP, Joe Pruitt

Categories: BIG-IP , F5 , Monitoring/Management