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Re: Load balancer with traffic limit

July 21, 2011 05:34PM
On 07/21/11 23:54, Gena Makhomed wrote:
> On 21.07.2011 6:26, Илья Шипицин wrote:
>
>> обеспечить доступность с нескольких географически распределенных
>> датацентров - это манипуляции с DNS (либо публикуем сразу несколько
>> записей, либо публикуем только одну, но с маленьким ttl и по-быстрому
>> меняем ее при failover-е)
>
> при очень большом желании - это можно делать и через BGP.
> например, презентация OpenDNS CEO David Ulevitch на эту тему:
> http://www.slideshare.net/techdude/bgp-blackmagic-load-balancing-in-the-cloud

Отдельную AS на несколько серверов не дадут. Да и не каждый ДЦ за такое
возмется.

> но дешевле, проще и надежнее - поставить несколько серверов
> в одном дата-центре для обеспечения High availability
> с помощью Linux Virtual Server или CARP и т.п.

Опять же - не всегда возможно. Вот я запрос сделал, возможно ли получить
виртуальный IP на несколько серверов. Получил ответ:

We don't offer Virtual IP addresses.

Конечно как вариант - сменить ДЦ, но когда уже выстроена инфраструктура,
такое сделать не просто.

Пока единственный вариант - DNS-nased load balancing/failover.


> а о том, чтобы весь дата-центр не ушел в offline - думают
> администраторы дата-цента через BGP и множественные подключения
> к интернету, использование Gateway Load Balancing Protocol и т.п.

Бывают случаи, когда и BGP не панацея... Географически разнессенный
Backup разве что :)

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Subject Author Posted

Load balancer with traffic limit

sergey.kobzar July 14, 2011 05:48PM

Re: Load balancer with traffic limit

Роман Москвитин July 15, 2011 04:14AM

Re: Load balancer with traffic limit

sergey.kobzar July 15, 2011 04:46AM

Re: Load balancer with traffic limit

studz July 15, 2011 04:56AM

Re: Load balancer with traffic limit

Alex Vorona July 15, 2011 04:50AM

Re: Load balancer with traffic limit

sergey.kobzar July 15, 2011 05:00AM

Re: Load balancer with traffic limit

Alexander Bodnarashik July 15, 2011 05:08AM

Re: Load balancer with traffic limit

sergey.kobzar July 15, 2011 06:08AM

Re: Load balancer with traffic limit

Alexander Bodnarashik July 15, 2011 07:48AM

Re: Load balancer with traffic limit

sergey.kobzar July 15, 2011 08:52AM

Re: Load balancer with traffic limit

Alex Vorona July 15, 2011 05:20AM

Re: Load balancer with traffic limit

Илья Шипицин July 17, 2011 08:24AM

Re: Load balancer with traffic limit

sergey.kobzar July 19, 2011 01:12PM

Re: Load balancer with traffic limit

Alex Vorona July 19, 2011 01:34PM

Re: Load balancer with traffic limit

Илья Шипицин July 20, 2011 01:54PM

Re: Load balancer with traffic limit

Alex Vorona July 21, 2011 10:36AM

Re: Load balancer with traffic limit

Илья Шипицин July 21, 2011 01:32PM

Re: Load balancer with traffic limit

Илья Шипицин July 20, 2011 10:06AM

Re: Load balancer with traffic limit

sergey.kobzar July 20, 2011 02:24PM

Re: Load balancer with traffic limit

Gena Makhomed July 20, 2011 03:26PM

Re: Load balancer with traffic limit

Роман Москвитин July 20, 2011 03:38PM

Re: Load balancer with traffic limit

Gena Makhomed July 20, 2011 04:04PM

Re: Load balancer with traffic limit

sergey.kobzar July 20, 2011 04:38PM

Re: Load balancer with traffic limit

Илья Шипицин July 20, 2011 11:30PM

Re: Load balancer with traffic limit

Gena Makhomed July 21, 2011 05:26PM

Re: Load balancer with traffic limit

sergey.kobzar July 20, 2011 04:36PM

Re: Load balancer with traffic limit

tantra July 20, 2011 05:54PM

Re: Load balancer with traffic limit

sergey.kobzar July 20, 2011 04:36PM

Re: Load balancer with traffic limit

Илья Шипицин July 20, 2011 11:28PM

Re: Load balancer with traffic limit

Pasha Klets July 21, 2011 02:04AM

Re: Load balancer with traffic limit

Gena Makhomed July 31, 2011 03:14PM

Re: Load balancer with traffic limit

Илья Шипицин August 01, 2011 02:12AM

Re: Load balancer with traffic limit

Sov1et August 01, 2011 05:04AM

Re: Load balancer with traffic limit

Pasha Klets August 01, 2011 05:04AM

Re: Load balancer with traffic limit

Dmitry Morozovsky July 21, 2011 09:36AM

Re: Load balancer with traffic limit

Gena Makhomed July 21, 2011 04:56PM

Re: Load balancer with traffic limit

sergey.kobzar July 21, 2011 05:34PM

Re: Load balancer with traffic limit

Gena Makhomed July 21, 2011 07:12PM

Re: Load balancer with traffic limit

Alexandr Gomoliako July 21, 2011 08:22PM

Re: Load balancer with traffic limit

Илья Шипицин July 20, 2011 11:24PM

Re: Load balancer with traffic limit

sergey.kobzar July 21, 2011 06:18AM

Re: Load balancer with traffic limit

Alexandre Snarskii July 15, 2011 05:30AM

Re: Load balancer with traffic limit

sergey.kobzar July 15, 2011 06:14AM



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