Leased Lines historically have been used as reliable, resilient internet and site-to-site data connections.租用線路在歷史上被用作可靠的，彈性的互聯網和站點對站點的數據連接。 The main benefits have been security, reliability, SLAs, private network and flexible speeds.主要好處已安全性，可靠性，輔助，私人網絡和靈活的速度。 Leased Lines were also known for high installation charges, long installation times, hefty monthly fees and unreasonable contracts.租用線路也被稱為高安裝費，只要安裝倍，大幅每月收費和不合理的合約。 With the advent of cheap ADSL connections, Leased Lines have become as relevant as dinosaurs except for the most demanding businesses, especially when you can bond與的來臨，廉價的ADSL連接，租用線路，已成為相關的恐龍，除了要求最苛刻的企業，尤其是當你能夠債券 multiple ADSL lines to get reliable broadband多重的ADSL線路，以獲得可靠的寬帶 at a fraction of the cost.在一小部分的成本。

Today I had a call from a leased line provider in Kolkata.今天，我有一個呼叫從租用線路提供商在加爾各答。 They are offering 256 Kbps for Rs.他們是提供256 kbps的在RS 。 11, 000 per month (contracted on yearly basis) and with a hefty one time installation charge (at least 3, 50,000). 11 ， 000每月（合同的基礎上，每年） ，並大幅一時間，安裝費（至少三，五萬） 。

Compare this to my dual ADSL connections with speed of 1Mbps & 256 Kbps respectively and costing Rs 3500 and Rs 750 respectively, a total of Rs 4250 for over 1 Mbps download and 512 Kbps upload bandwidth.比較這是我的雙ADSL的連接速度每秒1 M ＆ 256 Kbps的分別和成本計算的RS 3500和RS分別為750 ，共有4250盧比，為超過1 Mbps的下載和512 kbps上載帶寬。 I have used the two connections to get我用兩個連接，以獲得 reliable broadband at a fraction of the cost可靠的寬帶的一小部分費用 of leased lines.對租用線路。

With ADSL bonding your bandwidth becomes truly additive.與ADSL的粘接您的帶寬成為真正的添加劑。 However it requires support from your ADSL provider.不過它需要支持，從您的ADSL的供應商。

We use the two我們使用2 ADSL connections for load-balancing and transparent fail-over ADSL的連接，負載平衡和透明的故障排除 for reliability and supporting dozens of demanding users.可靠性和支持幾十個用戶的要求。

However if your business needs very high bandwidth like 10Mbps or more (call center or web hosting for example) then leased line is your only option.但是，如果您的業務需求非常的高帶寬一樣，每秒10 MB或更多（呼叫中心或網頁主機為例） ，然後租用線路是你唯一的選擇。 However be prepared to pay exorbitantly.不過，願意付出exorbitantly 。