发明者
Jean-Marc Berthaud, Pascal Chauffour, Jean-Claude Dispensa, Valerie Mahe
发表日期
2009/1/6
专利局
US
专利号
7475162
专利申请号
11955479
简介
(57) ABSTRACT A method of preserving symmetrical routing in a communi cation system comprising a server farm connected to the Internet through an Internet access router. The server farm includes at least two customer cabinets with at least a WEB server and at least two firewalls. The firewalls use a Virtual
Router Redundancy Protocol (VRRP) to set up one firewall as being the primary firewall. The method includes checking in each firewall whether there is a change of the VRRP state from primary to secondary or reciprocally. Such a change indicates that a link between the primary firewall and one of
学术搜索中的文章
JM Berthaud, P Chauffour, JC Dispensa, V Mahe - US Patent 7,475,162, 2009