FIRST OF ALL -- I TRIEDTO GO THROUGH MANY CATEGORIES AND I THINK THIS IS THE BEST PLACE TO LOOK FOR SOLUTION. KINDLY HELP ME IN THIS -- I AM CONFUSED - i have been reading this a lot --about link building AND SEO IMPORTANCE -- we should try to link with sites that are not on same c chains/clusters/class --some - even say differ a-b-c- chains . what i want to know is this important -- and what is this ip they are tracking for ?? is this the ip of the web site -- or ip of server --or ip of data center; if its related to web site --- then can we go for a reseller hosting on same server --and then host multiple ips on it using dedicated ips with difffernt --a-b-c-d- chains thus saving money --will this help or not ??? bcoz google penalsied many sites earlier hosted on same servver and then interlinking to each other--- but they were not using dedicated ip -- theywere using same shared hosting ---- doesthis apply to sites hosted on sameserver --but with differnt ips -- if we look for interlinkingto gain back links ?? one way - i am bit confused--needsome expert guidance who can explain me abt these ips--and these a-b-c-d clusters or chains -- kindly help